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74LCX16245 数据表(PDF) 5 Page - STMicroelectronics

部件名 74LCX16245
功能描述  Low voltage CMOS 16-bit bus transceiver (3-state) with 5V tolerant inputs and outputs
PDF  15 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

74LCX16245 数据表(HTML) 5 Page - STMicroelectronics

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74LCX16245
Logic states
5/15
2.2
Pin description
3
Logic states
3.1
Truth table
Note:
X : Do not care
Z : High impedance
Table 1. Pin description
Pin N°
Symbol
Name and function
1
1DIR
Directional control
2, 3, 5, 6,
8, 9, 11, 12
1B1 to 1B8
Data inputs/outputs
13, 14, 16, 17,
19, 20, 22, 23
2B1 to 2B8
Data inputs/outputs
24
2DIR
Directional control
25
2G
Output enable input
36, 35, 33, 32,
30, 29, 27, 26
2A1 to 2A8
Data inputs/outputs
47, 46, 44, 43,
41, 40, 38, 38
1A1 to 1A8
Data inputs/outputs
48
1G
Output enable input
4, 10, 15, 21,
28, 34, 39, 45
GND
Ground (0V)
7, 18, 31, 42
VCC
Positive supply voltage
Table 2. Truth table
Inputs
Function
Output
G
DIR
A BUS
B BUS
Yn
L
L
Output
Input
A = B
L
H
Input
Output
B = A
HX
Z
Z
Z



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