Datasheet


   
SCDS028M − JULY 1995 − REVISED SEPTEMBER 2003
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
terminal assignments
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A 1A2 1A1 NC 1OE 2OE 1B1
B 1A5 1A4 1A3 1B2 1B3 1B4
C 1A7 GND 1A6 1B5 GND 1B6
D 1A10 1A8 1A9 1B8 1B7 1B9
E 1A12 1A11 1B10 1B11
F 2A1 2A2 2B1 1B12
G V
CC
GND 2A3 2B3 GND 2B2
H 2A4 2A5 2A6 2B6 2B5 2B4
J 2A7 2A8 2A9 2B9 2B8 2B7
K 2A10 2A11 2A12 2B12 2B11 2B10
NC − No internal connection
FUNCTION TABLE
(each 12-bit bus switch)
INPUTS
INPUTS/OUTPUTS
1OE 2OE 1A, 1B 2A, 2B
L L 1A = 1B 2A = 2B
L H 1A = 1B Z
H LZ2A = 2B
H H Z Z
logic diagram (positive logic)
2A1
2A12
1OE
1B1
1B12
2
14
56
54
42
2B1
2B12
15
28
55
41
29
1A1
1A12
2OE
Pin numbers shown are for the DGG, DGV, and DL packages.
GQL OR ZQL PACKAGE
(TOP VIEW)
A
B
C
D
E
F
G
H
J
K
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