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PI6C10806
Datasheet (PERICOM)
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Datasheet PI6C10806 Datasheet (PERICOM)

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1
PS8823B 04/27/07
ENABLE1
BCLK[0:4]
BCLK5
5
Sync
Sync
ENABLE2
XTAL_IN
Block Diagram
PI6C10806
1.8V/2.5V, 250MHz, Low Skew 1:6 Crystal to LVCMOS Clock Buffer
Description
Pericom Semiconductor’s PI6C10806 is a low skew six output crystal oscillator driver. Crystal oscillator input range is from 10MHz to 40MHz. If XTAL_IN is driven with a signal source, then the input frequency can be as high as 250MHz. PI6C10806, the outputs are confi gured into 2 groups: a fi ve output and a single output; each with independent output enable.
PI6C10806 has a wide range of operating voltages: 1.8V and 2.5V. This feature paired with the low output-to-output and part-to-part skew makes the device ideal for low voltage, low power, high frequency single ended applications; such as networking
Features
• Six low skew outputs: < 80ps
• Crystal oscillator input: 10MHz to 40MHz
• Switching frequency up to 250 MHz
• Fast output rise/fall time: < 800ps
• Synchronous output enables
• Industrial Temperature range: –40°C to +85°C
• 1.8V and 2.5V operation
• Packaging (Pb-free & Green available): – 16-pin 173-mil wide TSSOP (L)
Pin Description
Pin Name Description
ENABLE1, ENABLE2
Active High Output Enable Inputs
XTAL_IN Crystal interface
XTAL_OUT Crystal interface
BCLK[0:5] Clock Outputs
GND Ground
V
DD
Core Power
V
DDO
Output Power
Truth Table
(1)
Inputs Outputs
ENABLE1 ENABLE2 BCLK[0:4] BCLK5
LLLL
L H L Switching
H L Switching L
H H Switching Switching
Note:
1. H = High Voltage Level, L = Low Voltage Level
XTAL_INXTAL_OUT 1 16
ENABLE1ENABLE2 2 15
BCLK5GND 3 14
BCLK4
BCLK0 4 13
V
DDO
V
DDO
512
GNDBCLK1 6 11
BCLK3GND 7 10
V
DD
BCLK2 8 9
Pin Con fi g u ra tion
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2
PS8823B 04/27/07
PI6C10806
1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer
Storage Temperature ........................................................... –65°C to +150°C
V
DD, VDDO
Voltage ...............................................................–0.5V to +3.6V
Output Voltage (max. 3.6V) .......................................... –0.5V to VDD+0.5V
Input Voltage (max 3.6V) .............................................. –0.5V to VDD+0.5V
2.5V Absolute Maximum Ratings (Above which the useful life may be impaired. For user guidelines only, not tested.)
Note:
Stresses greater than those listed under MAXIMUM RAT INGS may cause permanent damage to the device. This is a stress rating only and functional op er a tion of the device at these or any other con di tions above those indicated in the operational sec tions of this spec i fi ca tion is not implied. Ex po sure to absolute maximum rating con di ­tions for extended periods may affect re li abil i ty.
2.5V I/O DC Characteristics (Over Operating Range: V
DD
= 2.5V ± 5%, TA = -40° to 85°C)
Parameters Description
Test Conditions
(1)
Min.
Typ.
(2)
Max. Units
V
DDO
I/O Supply Voltage 2.375 2.5 2.625
V
IH
Input HIGH Voltage Logic HIGH level 1.7 VDD+0.3
V
V
IL
Input LOW Voltage Logic LOW level -0.3 0.7
V
OH
Output High Voltage V
DDO
= Min., VIN = VIH or V
IL
IOH = -1mA 2
V
I
OH
= -8mA 2
V
OL
Output LOW Voltage V
DDO
= Min., VIN = VIH or V
IL
IOL = 1mA 0.4
I
OL
= 8mA 0.4
Notes:
1. For Max. or Min. conditions, use appropriate operating range values.
2. Typical values are at VCC = 2.5V, +25°C ambient and maximum loading.
2.5V I/O AC Characteristics (Over Operating Range: V
DD/VDDO
= 2.5V ± 5%, TA = -40° to 85°C)
Parameters De scrip tion
Test Conditions
(1)
Min. Typ Max. Units
f
OUT
Output Frequency
Using Crystal 10 40
MHz
External Clock
(2)
0 ` 250
t
DC
Output Duty Cycle @ V
DDO
/2 47 53 %
t
R/tF
CLKn Rise/Fall Time 20% to 80% 150 800 ps
t
SK(O)
(3)
Output to Output Skew between any two outputs of the same device @ same transition
@V
DDO
/2 60 ps
t
DIS,tEN(
4)
Output Enable/Disable @V
DDO
/2 4 cycles
Notes:
1. Unless noted otherwise, all parameters are tested with xtal @ f <= Fxtal_max,; outputs are terminated @ 50Ω to
V
DDO
/2, see waveforms.
2. External clock source is driving XTAL_IN input
3. Identical conditions: loading, transitions, supply voltage, temperature, package type and speed grade.
4. These parameters are guaranteed, but not tested.
Min & Max delay is 4 cycles.
07-0112
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PS8823B 04/27/07
PI6C10806
1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer
1.8V I/O DC Characteristics (Over Operating Range: T
A
= -40° to 85°C)
Parameters Description
Test Conditions
(1)
Min.
Typ.
(2)
Max. Units
V
DD
2.5V Core Supply 2.375 2.5 2.625
V
1.8V Core Supply 1.6 1.8 2.0
V
DDO
I/O Supply Voltage 1.6 1.8 2.0
V
IH
Input HIGH Voltage Logic HIGH level 0.65*V
DD
VDD+0.3
V
IL
Input LOW Voltage Logic LOW level -0.3 0.35*Vdd
I
L
Input Current V
DD
= Max, VIN = VDD or GND I pin 15 μA
V
OH
Output High Voltage VDD = Min., VIN = VIH or V
IL
IOH = -2mA 1.2
V
I
OH
= -8mA 1.2
V
OL
Output Low Voltage VDD = Min., VIN = VIH or V
IL
IOL = 2mA 0.35
I
OL
= 8mA 0.35
Notes:
1. For Max. or Min. conditions, use appropriate operating Vdd and Ta values.
2. Typical values are at VCC = 1.8V, +25°C ambient and maximum loading.
Storage Temperature ........................................................... –65°C to +150°C
V
DDO,VDD
Voltage ................................................................–0.5V to +2.5V
Output Voltage (max 2.5V) .......................................... –0.5V to VDD+0.5V
Input Voltage (max 2.5V) ............................................. –0.5V to VDD+0.5V
1.8V Absolute Maximum Ratings (Above which the useful life may be impaired. For user guidelines only, not tested.)
Note:
Stresses greater than those listed under MAXIMUM RAT INGS may cause permanent damage to the device. This is a stress rating only and functional op er a tion of the device at these or any other con di tions above those indicated in the operational sec tions of this spec i fi ca tion is not implied. Ex po sure to absolute maximum rating con di ­tions for extended periods may affect re li abil i ty.
1.8V I/O AC Characteristics (Over Operating Range: V
DDO
= 1.8V ± 0.2V, TA = -40° to 85°C)
Parameters De scrip tion
Test Conditions
(1)
Min. Typ Max. Units
V
DD
2.5V Core Supply 2.375 2.5 2.625 V
1.8V Core Supply 1.6 1.8 2.0
f
OUT
Output Frequency
Using Crystal 10 40
MHz
External Clock
(2)
0 180
t
DC
Output Duty Cycle @ V
DDO
/2 47 53 %
t
R/tF
CLKn Rise/Fall Time 20% to 80% 150 800 ps
t
SK(O)
(3)
Output to Output Skew between any two outputs of the same device @ same transition
@V
DDO
/2 60 ps
t
DIS,tEN(
4)
Output Enable/Disable @V
DDO\
/2 4 cycles
Notes:
1. Unless noted otherwise, all parameters are tested with xtal @ f <= Fxtal_max,; outputs are terminated @ 50Ω to
V
DDO
/2, see waveforms.
2. External clock source is driving XTAL_IN input
3. Identical conditions: loading, transitions, supply voltage, temperature, package type and speed grade.
4. These parameters are guaranteed, but not tested. Min & Max delay is 4 cycles.
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PS8823B 04/27/07
PI6C10806
1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer
Waveforms
BCLK5
BCLK[0:4]
ENABLE2
ENABLE1
Output to Output Skew – tSK(O)
BCLKx
V
OH
VDDO/2 V
OL
tSK(O)
BCLKy
VOH VDDO/2 V
OL
tSK(O)
tPZL
VDDO/2
0V
tPW
VDDO
tPERIOD
tDC = (tPW / tPERIOD ) x 100%
Duty Cycle – tDC
ENABLE1, ENABLE2 Timing Diagram
Z = 50-Ohm
Scope
50-
Ohm
VDDO GND
V
DD
[+VDDO/2]
[-V
DDO/2]
[V
DD - VDDO/2]
AC Test Circuit Load
Phase Noise and Jitter
(Over Operating Range: VDD = V
DDO
= 1.8V ± 0.2V, and VDD = V
DDO
= 2.5V ± 5%, TA = -40° to 85°C)
Symbol De scrip tion
Test Conditions
(1)
Min. Typ Max. Units
t
JIT
Random RMS Phase Jitter
25MHz @ Integration Range
1MHz ~ 20MHz
2.5 ps
PN Phase Noise Power Offset Range 1MHz ~ 20MHz -125 dBc/Hz
Note: VDD/V
DDO
= 1.8V ± 0.2V,
2.5V ± 5%
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PS8823B 04/27/07
PI6C10806
1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer
Crystal Characteristic (link to "http://www.pericom.com/saronix" for more detailed crystal specifi cations)
Parameters De scrip tion Min Typ Max. Units
OSC
MODE Mode of Oscillation Fundamental
FREQ Frequency 10 25 40 MHz
ESR
(1)
Equivalent Series Resistance 30 200 Ohm
C
LOAD Load Capacitance 16 32 pF
C
SHUNT Shunt Capacitance 7 pF
DRIVE
Operating Drive Level 0.5 mW
Correlation Drive Level 0.1 mW
Note: 1. ESR value is dependent upon frequency of oscillation
Application Notes
Crystal circuit connection
The following diagram shows PI6C10806 crystal circuit connection with a parallel crystal. For the C
L
=18pF crystal, it is suggested to use C1=18pF, C2=18pF. C1 and C2 can be adjusted to fi ne tune to the target ppm of crystal oscillator according to different board layouts. R1=100Ω is strongly suggested.
C1
18pF
Crystal(C
L
=18pF)
C2
18pF
100Ω
R1
XTAL_IN
XTAL_OUT
Crystal Oscillator Circuit
07-0112
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PS8823B 04/27/07
PI6C10806
1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer
PI6C10806 Ordering Information
(1,2,3)
Ordering Code Package Code Package Description
PI6C10806LE L Pb-Free and Green 16-pin 173-mil TSSOP
Notes:
1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
2. E = Pb-free and Green
3. X suffi x = Tape/Reel
Package Mechanical - 16-lead TSSOP (L)
.193 .201
.047 max.
.002 .006
SEATING PLANE
.0256
BSC
.018 .030
.004 .008
.252 BSC
1
16
.169 .177
0.05
0.15
6.4
0.45
0.75
0.09
0.20
4.3
4.5
1.20
4.9
5.1
0.65
0.19
0.30
.007 .012
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PS8823B 04/27/07
PI6C10806
1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer
Pericom/Saronix Miniature Low Profi le SMD Quartz Crystal Ordering Information
Type / Package 49SMLB = 2 contact, 4mm high 49SAB = 4 contact, 5 mm high 49SNC = 4 contact, 5mm high 49SUB = 6 contact, 5mm high
Frequency Frequency (in MHz) = 0x.xxxx, xx.xxxx (a zero is used in front of frequencies under 10 MHz)
B = BT-cut, 26.8 to 50 MHz – (dash) = AT-cut Parallel Resonance Blank = AT-cut Series Resonance
Options (T) = Tape and Reel (full increments only) 1000 pieces Blank = Bulk
Calibration / Stability / Temp Range GGC = ±30ppm / ±30ppm / -20 to +70°C GHE = ±30ppm / ±50ppm / -40 to +85°C HJE = ±50ppm / ±100ppm / -40 to +85°C *others available
Load Capacitance xx = Parallel Resonance (specify load) Blank = Series Resonance
Examples:
25.0000MHz, ±30ppm calib, ±30ppm stability, -20 to +70°C (Commercial), 16pF 49SMLB25.0000-16GGC 49SMLB25.0000-16GGC–E (for lead-free)
25.0000MHz, ±30ppm calib, ±30ppm stability, -40 to +85°C (Industrial), 16pF 49SMLB25.0000-16GHE 49SMLB25.0000-16GHE–E (for lead-free)
49xxx XXX – XX XXX X (X)
Pad Connection Confi gurations
–E (dash E) = Lead (Pb)-free RoHS Compliant Version Blank = Standard version
Packaging Information: HC-49
Package Marking Information
Line 1: S = SaRonix xxx = Calib/Stability/Temp Code YYWWX = Date Code Line 2: Frequency (up to 7 digits, including decimal point) BT-cut = B or AT-cut Parallel = –(dash) or AT-cut Series = leave Blank xx = Load Capacitance (leave Blank if Series)
SxxxYYWWX
25.0000-xx
Land Pattern
Land Pattern
Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com
07-0112
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