Datasheet

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GQL OR ZQL PACKAGE
(TOP VIEW)
A
B
C
D
E
F
G
H
J
K
1 2 3 4 5 6
SN74CB3T16212
24-BIT FET BUS-EXCHANGE SWITCH, 2.5-V/3.3-V LOW-VOLTAGE BUS SWITCH
WITH 5-V-TOLERANT LEVEL SHIFTER
SCDS157A – OCTOBER 2003 – REVISED FEBRUARY 2005
TERMINAL ASSIGNMENTS
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A 1A2 1A1 S0 S1 S2 1B1
B 3A1 2A2 2A1 1B2 2B1 2B2
C 4A1 GND 3A2 3B1 GND 3B2
D 5A2 4A2 5A1 4B2 4B1 5B1
E 6A2 6A1 5B2 6B1
F 7A1 7A2 7B1 6B2
G V
CC
GND 8A1 8B1 GND 7B2
H 8A2 9A1 9A2 9B2 9B1 8B2
J 10A1 10A2 11A1 11B1 10B2 10B1
K 11A2 12A1 12A2 12B2 12B1 11B2
FUNCTION TABLE
INPUTS INPUTS/OUTPUTS
FUNCTION
S2 S1 S0 A1 A2
L L L Z Z Disconnect
L L H B1 port Z A1 port = B1 port
L H L B2 port Z A1 port = B2 port
L H H Z B1 port A2 port = B1 port
H L L Z B2 port A2 port = B2 port
H L H Z Z Disconnect
A1 port = B1 port
H H L B1 port B2 port
A2 port = B2 port
A1 port = B2 port
H H H B2 port B1 port
A2 port = B1 port
3