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HD74HCT238 Datasheet, PDF (3/8 Pages) Hitachi Semiconductor – 3-to-8-line Decoder/Demultiplexer | |||
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HD74HCT238
Logic Diagram
G1
G2B
Y0
G2A
Y1
A
Y2
Y3
B
Y4
C
Y5
Y6
Y7
DC Characteristics
Ta = 25°C
Ta = â40 to
+85°C
Test Conditions
Item
Input voltage
Symbol Min Typ Max Min
VIH
2.0 â â 2.0
Max
â
Unit
V
VCC (V)
4.5 to
5.5
VIL
â â 0.8 â 0.8 V 4.5 to
5.5
Output voltage
VOH
VOL
Input current
Iin
Quiescent supply ICC
current
4.4 â â 4.4 â V 4.5
4.18 â â 4.13 â
4.5
â â 0.1 â 0.1 V 4.5
â â 0.26 â 0.33
4.5
â â ±0.1 â ±1.0 µA 5.5
â â 4.0 â 40 µA 5.5
Vin = VIH or VIL IOH = â20 µA
IOH = â4 mA
Vin = VIH or VIL IOL = 20 µA
IOL = 4 mA
Vin = VCC or GND
Vin = VCC or GND, Iout = 0 µA
3
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