Datasheet

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GKE OR ZKE PACKAGE
(TOP VIEW)
J
H
G
F
E
D
C
B
A
21 3 4 65
P
N
M
L
K
T
R
SN74ALVCH32973
16-BIT BUS TRANSCEIVER AND TRANSPARENT D-TYPE LATCH
WITH EIGHT INDEPENDENT BUFFERS
SCES436C – APRIL 2003 – REVISED SEPTEMBER 2004
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TERMINAL ASSIGNMENTS
1 2 3 4 5 6
A 1A1 D1 1 TOE 1DIR 1B1 1Q1
B 1A2 Y1 GND GND 1B2 1Q2
C 1A3 D2 V
CC
V
CC
1B3 1Q3
D 1A4 Y2 GND GND 1B4 1Q4
E 1A5 D3 GND GND 1B5 1Q5
F 1A6 Y3 V
CC
V
CC
1B6 1Q6
G 1A7 D4 GND GND 1B7 1Q7
H 1A8 Y4 1LE 1 LOE 1B8 1Q8
J 2A1 D5 2 TOE 2DIR 2B1 2Q1
K 2A2 Y5 GND GND 2B2 2Q2
L 2A3 D6 V
CC
V
CC
2B3 2Q3
M 2A4 Y6 GND GND 2B4 2Q4
N 2A5 D7 GND GND 2B5 2Q5
P 2A6 Y7 V
CC
V
CC
2B6 2Q6
R 2A7 D8 GND GND 2B7 2Q7
T 2A8 Y8 2LE 2 LOE 2B8 2Q8
FUNCTION TABLES
INPUTS
OPERATION
TOE DIR
L L B data to A bus
L H A data to B bus
H X A bus and B bus isolation
INPUTS
OUTPUT
Q
LOE LE A
L H H H
L H L L
L L X Q
0
H X X Z
INPUT OUTPUT
D Y
L L
H H
2