74LCXHR162245 Datasheet, PDF (2/10 Pages) STMicroelectronics – LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER WITH 5V TOLERANT INPUTS AND OUTPUT (3-STATE)

74LCXHR162245
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
SYMBOL NAME AND FUNCTION
1
2, 3, 5, 6, 8, 9,
11, 12
13, 14, 16, 17,
19, 20, 22, 23
24
25
36, 35, 33, 32,
30, 29, 27, 26
47, 46, 44, 43,
41, 40, 38, 38
48
4, 10, 15, 21,
28, 34, 39, 45
7, 18, 31, 42
1DIR
1B1 to 1B8
2B1 to 2B8
2DIR
2G
2A1 to 2A8
1A1 to 1A8
1G
GND
V_CC
Directional Control
Data Inputs/Outputs
Data Inputs/Outputs
Directional Control
Output Enable Input
Data Inputs/Outputs
Data Inputs/Outputs
Output Enable Input
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
INPUTS
G
DIR
L
L
L
H
H
X
X : Don‘t Care
Z : High Impedance
FUNCTION
OUTPUT
A BUS B BUS
OUTPUT INPUT
INPUT OUTPUT
Z
Z
Yn
A=B
B=A
Z
IEC LOGIC SYMBOLS
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