Datasheet

1A1
SW
1B1
1A12
1OE
SW
1B12
2A1
SW
2B1
2A12
2OE
SW
2B12
2
14
56
15
28
55
54
42
41
29
GQL OR ZQL PACKAGE
(TOP VIEW)
A
B
C
D
E
F
G
H
J
K
1 2 3 4 5 6
SN74CB3T16211
www.ti.com SCDS147C –OCTOBER 2003–REVISED AUGUST 2012
brk
brk
Table 2. TERMINAL ASSIGNMENTS
1 2 3 4 5 6
A 1A2 1A1 NC
(1)
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
brk (1) NC – No internal connection
Table 3. FUNCTION TABLE
(EACH 12-BIT BUS SWITCH)
INPUT INPUT/OUTPUT
FUNCTION
OE A
L B A port = B port
H Z Disconnect
LOGIC DIAGRAM (POSITIVE LOGIC)
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