HCF40208M013TR(2002) Ver la hoja de datos (PDF) - STMicroelectronics

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componentes Descripción

Fabricante

HCF40208M013TR
(Rev.:2002)

4 x 4 MULTIPORT REGISTER

STMicroelectronics 

HCF40208B

INPUT EQUIVALENT CIRCUIT

FUNCTIONAL DIAGRAM

PIN DESCRIPTION

PIN No

4, 5, 6, 7

22, 23, 2, 1

20, 19, 18,

17

16

15

21

3

8, 9

10, 11

13, 14

12

24

SYMBOL NAME AND FUNCTION

Q0A to Q3A Word A Output

Q0B to Q3B Word B Output

D0 to D3 Data Inputs

CLOCK

WRITE

ENABLE

3-STATE B

3-STATE A

WRITE 0,

WRITE 1

READ 0B,

READ 1B

READ 0A,

READ 1A

VSS

VDD

Clock Input

Write Enable Input

3 State Output

3 State Output

Write Address Inputs

Read Address Inputs

Read Address Inputs

Negative Supply Voltage

Positive Supply Voltage

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