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| STLED316S_08 Datasheet, PDF (14/33 Pages) STMicroelectronics – Serial-interfaced 6-digit LED controller with keyscan | |||
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Recommended operating conditions
5
Recommended operating conditions
STLED316S
5.1
DC electrical characteristics
Table 6.
Symbol
DC electrical characteristics
(TA = -40 to +85 °C, VCC = 5.0 V ± 10%, GND = 0 V)
Parameter
Test conditions
Min Typ Max Unit
VCC Logic supply voltage
VIH High level input voltage
4.5 5.0 5.5 V
High level guaranteed 0.57
digital pins
VCC
VCC V
VIL Low level input voltage
Low level guaranteed
0
digital pins
0.3V V
CC
IIH, IIL
VHYS
Input current
Hysteresis voltage
(DIN, CLK, STB pins)
VIN = VCC or GND
-2
2 µA
0.9 1.05 1.2 V
VOL(DOUT) Low level output voltage
DOUT, IOL2 = 4 mA
0.4 V
IOLEAK Driver leakage current
Drivers off
-140 µA
ISEG
Segment drive LED sink current VLED = 2.5 V
VDIGIT = VCC â 1.0
-30 -40 -50 mA
IDIG Digit drive LED source current VDIGIT = VCC â 1.0
240 320 400 mA
ITOLSEG Segment drive current matching
VCC = 5.0 V, TA = 25 °C
VLED = 2.5 V
3
%
RSET
External current setting reference
resistor
(precision = ±1% tolerance)
ISEG = 40 mA
360
Ω
14/33
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