Datasheet

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GRD OR ZRD PACKAGE
(TOP VIEW)
J
H
G
F
E
D
C
B
A
21 3 4 65
To Seven Other Channels
1DIR
1A1
1B1
1OE
To Seven Other Channels
2DIR
2A1
2B1
2OE
1
47
24
36
48
2
25
13
SN54LVTH162245 , , SN74LVTH162245
3.3-V ABT 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS260Q – JUNE 1993 – REVISED NOVEMBER 2006
TERMINAL ASSIGNMENTS
(1)
(54-Ball GRD/ZRD Package)
1 2 3 4 5 6
A 1B1 NC 1DIR 1 OE NC 1A1
B 1B3 1B2 NC NC 1A2 1A3
C 1B5 1B4 V
CC
V
CC
1A4 1A5
D 1B7 1B6 GND GND 1A6 1A7
E 2B1 1B8 GND GND 1A8 2A1
F 2B3 2B2 GND GND 2A2 2A3
G 2B5 2B4 V
CC
V
CC
2A4 2A5
H 2B7 2B6 NC NC 2A6 2A7
J 2B8 NC 2DIR 2 OE NC 2A8
(1) NC – No internal connection
FUNCTION TABLE
(1)
(EACH 8-BIT SECTION)
CONTROL INPUTS OUTPUT CIRCUITS
OPERATION
OE DIR A PORT B PORT
L L Enabled Hi-Z B data to A bus
L H Hi-Z Enabled A data to B bus
H X Hi-Z Hi-Z Isolation
(1) Input circuits of the data I/Os always are active.
LOGIC DIAGRAM (POSITIVE LOGIC)
3
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