ST26C31B View Datasheet(PDF) - STMicroelectronics
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ST26C31B Datasheet PDF : 15 Pages
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Electrical characteristics
3
Electrical characteristics
ST26C31B
Table 6. Electrical characteristics (VCC = 5 V ± 10 %, unless otherwise specified (1))
Symbol
Parameter
Test conditions
Value
Unit
Min. Typ. Max.
VIH
VIL
VOH
VOL
VT
VT-VT
High level input voltage
Low level input voltage
High level output voltage VIN = VIH or VIL, IOUT = -20mA
Low level output voltage VIN = VIH or VIL, IOUT = +20mA
Differential output voltage RL = 100 Ω (2)
Difference in differential
output voltage
RL = 100 Ω (2)
2
V
0.8
V
2.5 3.4
V
0.3 0.5
V
2
3.1
V
0.4
V
VOS
Common mode output
voltage
RL = 100 Ω (2)
1.8
3
V
VOS-
VOS
IIN
ICC
IOZ
ISC
Difference in common
mode output voltage
RL = 100 Ω (2)
Input current
Quiescent supply current
(2)
3-state output leakage
current
Output short circuit
current
VIN = VCC, GND, VIH or VIL
IOUT = 0 µA
VIN = VCC or GND
VIN = 2.4 or 0.5 V (3)
VOUT = VCC or GND
ENABLE = VIL ENABLE = VIH
VIN = VCC or GND
(2) (4)
0.4
V
±1
µA
200 500 µA
0.8
2
mA
±0.5 ±5
µA
-30
-150 mA
IOFF
Power off output leakage
current (2)
VCC = 0 V
VOUT = 6 V
VOUT = -0.25 V
100 µA
-100 µA
1. Unless otherwise specified, min./max. limits apply across the recommended operating temperature range. All typical are
given for VCC = 5 V and TA = 25 °C
2. See EIA Specification RS422 for exact test conditions.
3. Measured per pin input. All other input at VCC or GND.
4. This is the current sourced when a high output is shorted to ground. Only one output at time should be shorted.
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