HCF40107 查看數據表（PDF） - STMicroelectronics

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HCF40107

DUAL 2-INPUT NAND BUFFER/DRIVER

STMicroelectronics 

HCF40107B

INPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION

PIN No

2, 1, 7, 6

3, 5

4

8

SYMBOL

A, B, D, E

C,F

VSS

VDD

NAME AND FUNCTION

Input

Outputs

Negative Supply Voltage

Positive Supply Voltage

FUNCTIONAL DIAGRAM

TRUTH TABLE

A

B

L

L

H

L

L

H

H

H

* : Requires external and pull-up resistor (RL) to VDD.

# : Without pull-up resistor (3-state).

C

H*

Z#

H*

Z#

H*

Z#

L

2/11

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