ST75C185 Ver la hoja de datos (PDF) - STMicroelectronics
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ST75C185 Datasheet PDF : 16 Pages
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ST75C185
DRIVER ELECTRICAL CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(VDD = 12V, VSS = -12V, VCC = 5V ± 10%, unless otherwise specified)
Symbol
Parameter
Test Conditions
Value
Unit
Min. Typ. Max.
VOH High Level Output Voltage VIL = 0.8 V
VDD = 7V, VSS = -7V
5
6.3
V
RL = 3KΩ
VDD = 12V, VSS = -12V 10
10.8
V
(See Figure 1)
VOL Low Level Output Voltage VIH = 1.9 V
VDD = 7V, VSS = -7V
(Note 3)
RL = 3KΩ
VDD = 12V, VSS = -12V
(See Figure 1)
-6.3
-5
V
-10.8 -10
V
VIH High Level Input Voltage
2
1.4
V
VIL Low Level Input Voltage
1.4
0.8
V
IIH High Level Input Current VI = 5 V (See Figure 2)
1
µA
IIL Low Level Input Current VI = 0 V (See Figure 2)
−1
µA
IOS(H) High Level Short Circuit
Output Current (Note 4)
VI = 0.8 V VO = 0 V or VSS
(See Figure1)
-6
−20 −60 mA
) IOS(L) Low Level Short Circuit
t(s Output Current (Note 4)
VI = 2 V VO = 0 V or VSS
(See Figure 1)
6
35
60
mA
c RO Output Resistance
VO = -2 to 2 V VSS = VCC = VDD = 0 V
300 450
Ω
u NOTE 3: The algebraic convention, where the more positive (less negative) limits designated as maximum, is used in this datasheet for logic
d levels only (e.g. if - 10V is a maximum, the typical value is a more negative voltage).
ro NOTE 4: Not more than one outputs should be shorted at one time.
P DRIVER SWITCHING CHARACTERISTICS
te (VDD = 12V, VSS = -12V, VCC = 5V, TA = 25 °C)
sole Symbol
Parameter
Test Conditions
Min.
Value
Typ.
Max.
Unit
b tPLH Propagation Delay Time, Low to High RL = 3 to 7 KΩ CL = 1000 pF
1.9
O Level Output
(See Figure 3)
- tPHL Propagation Delay Time, High to Low RL = 3 to 7 KΩ CL = 1000 pF
1.6
) Level Output
(See Figure 3)
t(s tTLH Transition Time Low to High Level RL = 3 to 7 KΩ CL = 1000 pF
0.53
2
c Output
(See Figure 3)
u tTHL Transition Time High to Low Level RL = 3 to 7 KΩ CL = 1000 pF
0.53
2
d Output
(See Figure 3, 4)
te Pro SR Output Slew Rate (Note 5)
RL = 3 to 7 KΩ
CL = 50 to 2500 pF
(See Figure 3)
4
11
4
µs
4
µs
3.2
µs
3.2
µs
30 V/µs
Obsole NOTE 5: Measured between -3V and 3V points of output waveform (EIA-232-E conditions), all unused inputs tied either high or low.
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