74ACT32701LB データシートの表示（PDF） - STMicroelectronics

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74ACT32701LB

16-BIT D-TYPE LATCH PULS 16-BIT BUS BUFFER WITH 3-STATE OUTPUTS (NON INVERTED)

STMicroelectronics 

74ACT32701

PIN CONNECTION (Top view)

TERMINAL ASSIGNMENT

ABCDE FGH J K LMNPR T

6 1D2 1D4 1D6 1D8 2D2 2D4 2D6 2D7 3A2 3A4 3A6 3A8 4A2 4A4 4A6 4A7

5 1D1 1D3 1D5 1D7 2D1 2D3 2D5 2D8 3A1 3A3 3A5 3A7 4A1 4A3 4A5 4A8

4 1LE GND VCC GND GND VCC GND 2LE 3G GND VCC GND GND VCC GND 4G

3 1OE GND VCC GND GND VCC GND 2OE 3DIR GND VCC GND GND VCC GND 4DIR

2 1Q1 1Q3 1Q5 1Q7 2Q1 2Q3 2Q5 2B8 3B1 3B3 3B5 3B7 4B1 4B3 4B5 4B8

1 1Q2 1Q4 1Q6 1Q8 2Q2 2Q4 2Q6 2B7 3B2 3B4 3B6 3B8 4B2 4B4 4B6 4B7

INPUT AND OUTPUT EQUIVALENT CIRCUIT

TRUTH TABLE (each 8bit section of 16bit Latch)

INPUTS

OE

LE

L

H

L

H

L

L

H

X

OUTPUT

D

Q

H

H

L

L

X

Q0

X

Z

TRUTH TABLE (each 8bit section of 16bit

Transceiver)

INPUTS

G

DIR

L

L

L

H

H

X

X : Don‘t Care

Z : High Impedance

OPERATION

B data to A bus

A data to B bus

Isolation

2/9

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