•LVDS Display Serdes Interfaces Directly to
LCD Display Panels with Integrated LVDS
•Package Options: 4.5mm x 7mm BGA, and
8.1mm x 14mm TSSOP
•1.8V up to 3.3V Tolerant Data Inputs to
Connect Directly to Low-Power, Low-Voltage
Application and Graphic Processors
•Transfer Rate up to 135Mpps (Mega Pixel Per
Second); Pixel Clock Frequency Range 10MHz
to 135MHz
•Suited for Display Resolutions Ranging From
HVGA up to HD With Low EMI
•Operates From a Single 3.3V Supply and
170mW (typ.) at 75MHz
•28 Data Channels Plus Clock In Low-Voltage
TTL to 4 Data Channels Plus Clock Out Low-
SLLS846B –MAY 2009–REVISED SEPTEMBER 2011
Voltage Differential
•Consumes Less Than 1mW When Disabled
•Selectable Rising or Falling Clock Edge
Triggered Inputs
•ESD: 5kV HBM
•Support Spread Spectrum Clocking (SSC)
•Compatible with all OMAP™2x, OMAP™3x,
and DaVinci™ Application Processors
APPLICATIONS
•LCD Display Panel Driver
•UMPC and Netbook PC
•Digital Picture Frame
DESCRIPTION
The SN75LVDS83B FlatLink™ transmitter contains four 7-bit parallel-load serial-out shift registers, a 7X clock
synthesizer, and five Low-Voltage Differential Signaling (LVDS) line drivers in a single integrated circuit. These
functions allow 28 bits of single-ended LVTTL data to be synchronously transmitted over five balanced-pair
conductors for receipt by a compatible receiver, such as the SN75LVDS82 and LCD panels with integrated LVDS
receiver.
When transmitting, data bits D0 through D27 are each loaded into registers upon the edge of the input clock
signal (CLKIN). The rising or falling edge of the clock can be selected via the clock select (CLKSEL) pin. The
frequency of CLKIN is multiplied seven times, and then used to unload the data registers in 7-bit slices and
serially. The four serial streams and a phase-locked clock (CLKOUT) are then output to LVDS output drivers.
The frequency of CLKOUT is the same as the input clock, CLKIN.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2OMAP, DaVinci, FlatLink are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
www.ti.com
DESCRIPTION (CONTINUED)
The SN75LVDS83B requires no external components and little or no control. The data bus appears the same at
the input to the transmitter and output of the receiver with the data transmission transparent to the user(s). The
only user intervention is selecting a clock rising edge by inputting a high level to CLKSEL or a falling edge with a
low-level input, and the possible use of the Shutdown/Clear (SHTDN). SHTDN is an active-low input to inhibit the
clock, and shut off the LVDS output drivers for lower power consumption. A low-level on this signal clears all
internal registers to a low-level.
The SN75LVDS83B is characterized for operation over ambient air temperatures of -10°C to 70°C.
Alternative device option: The SN75LVDS83A (SLLS980) is an alternative to the SN75LVDS83B for clock
frequency range of 10MHz-100MHz only. The SN75LVDS83A is available in the TSSOP package option only.
ORDERING INFORMATION
PART NUMBERPART MARKINGPACKAGE
SN75LVDS83BZQLRLVDS83B in BGA package56-pin ZQL LARGE T&R
SN75LVDS83BDGGLVDS83B in TSSOP package56-pin DGG TUBE
SN75LVDS83BDGGRLVDS83B in TSSOP package56-pin DGG LARGE T&R
(1) For the most current package and ordering information, see the Package Option Addendum located at the end of this data sheet, or
refer to our web site at www.ti.com.
(1)
ABSOLUTE MAXIMUM RATINGS
Supply voltage range, VCC, IOVCC, LVDSVCC, PLLVCC
Voltage range at any output terminal-0.5 to VCC + 0.5V
Voltage range at any input terminal-0.5 to IOVCC + 0.5V
Continuous power dissipationSee the dissipation rating table
Storage temperature, T
ESD ratingCharged Device Model (CDM)
(1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may
degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond
those specified is not implied.
(2) All voltages are with respect to the GND terminals.
(3) In accordance with JEDEC Standard 22, Test Method A114-A.
(4) In accordance with JEDEC Standard 22, Test Method C101.
(5) In accordance with JEDEC Standard 22, Test Method A115-A.
(1) In accordance with the High-K and Low-K thermal metric definitions of EIA/JESD51-2.
(2) This is the inverse of the junction-to-ambient thermal resistance when board-mounted and with no air flow.
(3) DGG junction to case thermal reistance (θJC) is 15.4°C/W.
(2)
TJA= 70°C
TIMING REQUIREMENTS
PARAMETERMINMAXUNIT
Input clock period, t
Input clock modulation
High-level input clock pulse width duration, t
Input signal transition time, t
c
with modulation frequency 30kHz8%
with modulation frequency 50kHz6%
w
t
Data set up time, D0 through D27 before CLKIN (See Figure 3)2ns
Data hold time, D0 through D27 after CLKIN0.8ns
A1GNDA2CLKINA3D26
A4D24A5D23A6D22
B1GNDB2PLLVCCB3SHTDN
B4D25B5D21B6D20
C1Y3MC2Y3PC3GND
C4IOVCCC5GNDC6D19
D1CLKMD2CLKPD3GND
D4CLKSELD5D18D6D17
E1Y2ME2Y2PE3ball not populated
E4ball not populatedE5D15E6D16
F1LVDSVCCF2GNDF3ball not populated
F4ball not populatedF5GNDF6D14
G1Y1MG2Y1PG3GND
G4IOVCCG5D12G6D13
H1Y0MH2Y0PH3GND
H4D10H5VCCH6D11
J1D27J2D0J3D3
J4D6J5GNDJ6D9
SN75LVDS83B
SLLS846B –MAY 2009–REVISED SEPTEMBER 2011
www.ti.com
ZQL PIN LIST (continued)
K1D1K2D2K3D4
K4D5K5D7K6D8
PIN FUNCTIONS
TERMINALI/ODESCRIPTION
Y0P, Y0M, Y1P,Differential LVDS data outputs.
Y1M, Y2P, Y2MOutputs are high-impedance when SHTDN is pulled low (de-asserted)
Y3P, Y3MLVDS OutOutput is high-impedance when SHTDN is pulled low (de-asserted).
CLKP, CLKM
D0 – D27
CMOS IN with
CLKINInput pixel clock; rising or falling clock polarity is selectable by Control input CLKSEL.
SHTDN
CLKSEL
VCC3.3V digital supply voltage
IOVCCI/O supply reference voltage (1.8V up to 3.3V matching the GPU data output signal swing)
PLLVCCPower Supply
LVDSVCC3.3V LVDS output analog supply
GNDSupply ground for VCC, IOVCC, LVDSVCC, and PLLVCC.
(1) For a multilayer pcb, it is recommended to keep one common GND layer underneath the device and connect all ground terminals
directly to this plane.
pulldn
Differential LVDS Data outputs.
Note: if the application only requires 18-bit color, this output can be left open.
Differential LVDS pixel clock output.
Output is high-impedance when SHTDN is pulled low (de-asserted).
Data inputs; supports 1.8V to 3.3V input voltage selectable by VDD supply. To connect a graphic
source successfully to a display, the bit assignment of D[27:0] is critical (and not necessarily
intuitive).
For input bit assignment see Figure 14 to Figure 17 for details.
Note: if application only requires 18-bit color, connect unused inputs D5, D10, D11, D16, D17, D23,
and D27 to GND.
Device shut down; pull low (de-assert) to shut down the device (low power, resets all registers) and
high (assert) for normal operation.
Selects between rising edge input clock trigger (CLKSEL = VIH) and falling edge input clock trigger
(CLKSEL = VIL).
over operating free-air temperature range (unless otherwise noted)
4
±26
±44
±35
±42
/7t
(1)
1
2
3
4
5
6
c
c
MAXUNIT
/7tc+ 0.1ns
/7tc+ 0.1ns
/7tc+ 0.1ns
/7tc+ 0.1ns
/7tc+ 0.1ns
/7tc+ 0.1ns
ns
ps
ns
PARAMETERTEST CONDITIONSMINTYP
Delay time, CLKOUT↑ after Yn valid
t
t
t
t
t
t
t
t
0
1
2
3
4
5
6
c(o)
(serial bit position 0, equal D1, D9,-0.100.1ns
D20, D5)
Delay time, CLKOUT↑ after Yn valid
(serial bit position 1, equal D0, D8,
1
/7tc- 0.1
D19, D27)
Delay time, CLKOUT↑ after Yn valid
(serial bit position 2, equal D7, D18,
2
/7tc- 0.1
D26. D23)
Delay time, CLKOUT↑ after Yn valid
(serial bit position 3; equal D6, D15,
D25, D17)
Delay time, CLKOUT↑ after Yn valid
(serial bit position 4, equal D4, D14,
See Figure 7, tC= 10ns,
|Input clock jitter| < 25ps
3
(2)
/7tc- 0.1
4
/7tc- 0.1
D24, D16)
Delay time, CLKOUT↑ after Yn valid
(serial bit position 5, equal D3, D13,
5
/7tc- 0.1
D22, D11)
Delay time, CLKOUT↑ after Yn valid
(serial bit position 6, equal D2, D12,
6
/7tc- 0.1
D21, D10)
Output clock periodt
tC= 10ns; clean reference clock, see
Figure 8
tC= 10ns with 0.05UI added noise
modulated at 3MHz, see Figure 8
Δt
c(o)
Output clock cycle-to-cycle jitter
(3)
tC= 7.4ns; clean reference clock,
see Figure 8
tC= 7.4ns with 0.05UI added noise
modulated at 3MHz, see Figure 8
t
w
t
r/f
t
en
t
dis
High-level output clock pulse
duration
Differential output voltage transition
time (tror tf)
Enable time, SHTDN↑ to phase lock
(Yn valid)
Disable time, SHTDN↓ to off-state
(CLKOUT high-impedance)
See Figure 4225500ps
f
= 135MHz, See Figure 96µs
(clk)
f
= 135MHz, See Figure 107ns
(clk)
(1) All typical values are at VCC= 3.3 V, TA= 25°C.
(2) |Input clock jitter| is the magnitude of the change in the input clock period.
(3) The output clock cycle-to-cycle jitter is the largest recorded change in the output clock period from one cycle to the next cycle observed
over 15,000 cycles.Tektronix TDSJIT3 Jitter Analysis software was used to derive the maximum and minimum jitter value.
THERMAL CHARACTERISTICS
PARAMETERTEST CONDITIONSUNIT
Junction-to-free-air
θ
JA
thermal resistance
Junction-to-case
θ
JC
thermal resistance
Junction-to-board
θ
JB
thermal resistance
Junction-to-top of
ψ
JT
package
Low-K JEDEC test board, 1s (single signal layer), no air flow85
High-K JEDEC test board, 2s2p (double signal layer, double
buried power plane), no air flow
Cu cold plate measurement process25.215.9°C/W
This section describes the power up sequence, provides information on device connectivity to various GPU and
LCD display panels, and offers a pcb routing example.
Power Up Sequence
The SN75LVDS83B does not require a specific power up sequence.
It is permitted to power up IOVCC while VCC, VCCPLL, and VCCLVDS remain powered down and connected to
GND. The input level of the SHTDN during this time does not matter as only the input stage is powered up while
all other device blocks are still powered down.
It is also permitted to power up all 3.3V power domains while IOVCC is still powered down to GND. The device
will not suffer damage. However, in this case, all the I/Os are detected as logic HIGH, regardless of their true
input voltage level. Hence, connecting SHTDN to GND will still be interpreted as a logic HIGH; the LVDS output
stage will turn on. The power consumption in this condition is significantly higher than standby mode, but still
lower than normal mode.
The user experience can be impacted by the way a system powers up and powers down an LCD screen. The
following sequence is recommended:
Power up sequence (SN75LVDS83B SHTDN input initially low):
1. Ramp up LCD power (maybe 0.5ms to 10ms) but keep backlight turned off.
2. Wait for additional 0-200ms to ensure display noise won’t occur.
3. Enable video source output; start sending black video data.
4. Toggle LVDS83B shutdown to SHTDN = VIH.
5. Send >1ms of black video data; this allows the LVDS83B to be phase locked, and the display to show black
data first.
6. Start sending true image data.
7. Enable backlight.
Power Down sequence (SN75LVDS83B SHTDN input initially high):
1. Disable LCD backlight; wait for the minimum time specified in the LCD data sheet for the backlight to go low.
2. Video source output data switch from active video data to black image data (all visible pixel turn black); drive
this for >2 frame times.
3. Set SN75LVDS83B input SHTDN = GND; wait for 250ns.
4. Disable the video output of the video source.
5. Remove power from the LCD panel for lowest system power.
Signal Connectivity
While there is no formal industry standardized specification for the input interface of LVDS LCD panels, the
industry has aligned over the years on a certain data format (bit order). Figure 14 through Figure 17 show how
each signal should be connected from the graphic source through the SN75LVDS83B input, output and LVDS
LCD panel input. Detailed notes are provided with each figure.
Note A. FORMAT: The majority of 24-bit LCD display panels require the two most significant bits (2 MSB ) of each
color to be transferred over the 4th serial data output Y3. A few 24-bit LCD display panels require the two LSBs of
each color to be transmitted over the Y3 output. The system designer needs to verify which format is expected by
checking the LCD display data sheet.
•Format 1: use with displays expecting the 2 MSB to be transmitted over the 4th data channel Y3. This is the
dominate data format for LCD panels.
•Format 2: use with displays expecting the 2 LSB to be transmitted over the 4th data channel.
Note B. Rpullup: install only to use rising edge triggered clocking.
Rpulldown: install only to use falling edge triggered clocking.
•C1: decoupling cap for the VDDIO supply; install at least 1x0.01µF.
•C2: decoupling cap for the VDD supply; install at least 1x0.1µF and 1x0.01µF.
•C3: decoupling cap for the VDDPLL and VDDLVDS supply; install at least 1x0.1µF and 1x0.01µF.
Note C. If RSVD is not driven to a valid logic level, then an external connection to GND is recommended.
Note D. RSVD must be driven to a valid logic level. All unused SN75LVDS83B inputs must be tied to a valid logic
level.
Figure 14. 24-Bit Color Host to 24-bit LCD Panel Application
Note A. Leave output Y3 N.C.
Note B. R3, G3, B3: this MSB of each color also connects to the 5th bit of each color for increased dynamic range of
the entire color space at the expense of none-linear step sizes between each step. For linear steps with less dynamic
range, connect D1, D8, and D18 to GND.
R2, G2, B2: these outputs also connects to the LSB of each color for increased, dynamic range of the entire color
space at the expense of none-linear step sizes between each step. For linear steps with less dynamic range, connect
D0, D7, and D15 to VCC.
Note C.Rpullup: install only to use rising edge triggered clocking.
Rpulldown: install only to use falling edge triggered clocking.
•C1: decoupling cap for the VDDIO supply; install at least 1x0.01µF.
•C2: decoupling cap for the VDD supply; install at least 1x0.1µF and 1x0.01µF.
•C3: decoupling cap for the VDDPLL and VDDLVDS supply; install at least 1x0.1µF and 1x0.01µF.
Figure 16. 12-Bit Color Host to 18-Bit Color LCD Panel Display Application
Changes from Revision A (October 2009) to Revision BPage
•Added Storage temperature, Tsto ABSOLUTE MAXIMUM RATINGS ................................................................................ 2
•Added Note 3 to DISSIPATION RATINGS ........................................................................................................................... 3
•Deleted max values for Supply current (average) ................................................................................................................ 9
•Changed Enable time units from ns to µs .......................................................................................................................... 10
•Changed G7(LSB) to G7(MSB) in Figure 14 ...................................................................................................................... 16
•Added Note C to Figure 14 ................................................................................................................................................. 16
•Added Note D to Figure 14 ................................................................................................................................................. 16
•Added connection between GND and D23 to Figure 19 .................................................................................................... 21
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
Package Type Package
(1)
MICROSTAR
JUNIOR
Drawing
Pins Package
Qty
ZQL561000Green (RoHS
Eco Plan
(2)
& no Sb/Br)
& no Sb/Br)
& no Sb/Br)
Lead/Ball Finish
(6)
CU NIPDAULevel-2-260C-1 YEAR-10 to 70LVDS83B
CU NIPDAULevel-2-260C-1 YEAR-10 to 70LVDS83B
SNAGCULevel-2-260C-1 YEAR-10 to 70LVDS83B
MSL Peak Temp
(3)
Op Temp (°C)Device Marking
(4/5)
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability
information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight
in homogeneous material)
(3)
MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
(4)
There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.
(5)
Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation
of the previous line and the two combined represent the entire Device Marking for that device.
(6)
Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish
value exceeds the maximum column width.
Samples
Addendum-Page 1
PACKAGE OPTION ADDENDUM
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Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
27-Feb-2014
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold protrusion not to exceed 0,15.
D. Falls within JEDEC MO-153
PINS **
A MAX
A MIN
48
12,60
12,40
56
14,10
13,90
64
17,10
16,90
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