The STP16C596 is a monolithic, medium-voltage,
low current power 16-bit shift register designed for
LED panel d isplays. The STP16C596 contains a
16-bit serial-in, parallel-out shift register that feeds
a 16-bitD-type storage register. In the output
stage, sixteen regulated current sources are
designed to provide 15-120mA constant current to
drive the LEDs.
The serial output change state on the failing edges
of clock, this special feature will provide an
improved performance of the application when the
clock signal is skewed because the daisy chain is
too long.
DIP-24
TSSOP24
SO-24
TSSOP24
(exposed pad)
Through an external resistor, users may adjust the
STP16C596 output current, controlling in this way
the light intensity of LEDs.
The STP16C596 guarantees a 16V output drivi ng
capability, allowing users to connect more LEDs in
series. The high clock frequency, 25 MHz, also
satisfies the system demand for high volume data
transmission. Compared wi th a standard TSSOP
package, the TSSOP exposed pad increases heat
dissipation capability by a 2.5 factor.
Table 1: Order Codes
Part NumberPackageComments
STP16C596B1RDIP-2415 parts per tube
STP16C596MSO-24 (Tube)40 parts per tube
STP16C596MTRSO-24 (Tape & Reel)1000 parts per reel
STP16C596TTRTSSOP24 (Tape & Reel)2500 parts per reel
STP16C596XTTRTSSOP24 Exposed-Pad (Tape & Reel)2500 parts per reel
21/OE
22SDOSerial data out terminal
23R-EXTInput terminal of an external resistor for constant current programing
24V
DD
Input terminal of output enable (active low)
Supply voltage terminal
2/18
STP16C596
Table 4: Absolute Maximum Ratings
SymbolParameterValueUnit
V
V
I
V
I
GND
f
CLK
T
OPR
T
STG
Absolute Maximum Ratings are t hos e values beyond which dam age to the de vice may occu r. Under these conditions, functional opera tion
is not implied.
Table 5: Thermal Data
Supply Voltage
DD
Output Voltage
O
Output Current
O
Input Voltage-0.4 to VDD+0.4
I
GND Termin al Current
Clock Frequency
Operating Temperature Range
Storage Temperature Range
0 to 7V
-0.5 to 16V
120mA
V
1920mA
25MHz
-40 to +125°C
-65 to +150°C
SymbolParameterDIP-24SO-24TSSOP24
R
thj-amb
Thermal Resistance Junction-ambient
60758537.5°C/W
TSSOP24
(exposed pad)
Table 6: Recommended Operating Conditions
SymbolParameterTest ConditionsMin.Typ.Max.Unit
V
V
I
I
V
V
t
wLAT
t
wCLK
t
wEN
t
SETUP(D)
t
HOLD(D)
t
SETUP(L)
f
CLK
Supply Voltage4.55.05.5V
DD
Output Voltage16.0V
O
Output CurrentOUTn5120mA
I
O
Output CurrentSERIAL-OUT+1mA
OH
Output CurrentSERIAL-OUT-1mA
OL
Input Voltage0.7V
IH
Input Voltage-0.30.3V
IL
DD
/LE Pulse WidthVDD = 4.5 to 5.5V20ns
CLK Pulse Width20ns
/OE Pulse Width400ns
Setup Time for DATA20ns
Hold Time for DATA15ns
Setup Time for LATCH15ns
Clock FrequencyCascade Operation25MHz
Note 1: OUT0 to OUT15 = ON when Dn = H; OUT0 to OUT15 = OFF when Dn = L.
Figure 7: Tim ing Diagram
Note: The latches ci rc uit holds da ta when the LE termi n a l is Low.
When LE terminal is at Hi gh l evel, latch ci rcuit doesn ’ t hold the data it passes from the input to the output.
When OE terminal is at Low level, output terminals OUT0 to OUT15 respond to the data, either ON or OFF.
When OE terminal is at High level, it switches off all the data on the output terminal.
06-May-20044Table 6 and Table 7 parameters changed.
03-Aug-20045Figure 14 - pag. 10 is changed.
STP16C596
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STP16C596
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