74vcx16373 STMicroelectronics, 74vcx16373 Datasheet - Page 2
74vcx16373
Manufacturer Part Number
74vcx16373
Description
Low Voltage Cmos 16-bit D-type Latch 3-state With 3.6v Tolerant Inputs And Outputs
Manufacturer
STMicroelectronics
Datasheet
1.74VCX16373.pdf
(12 pages)
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74VCX16373
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don‘t Care
Z : High Impedance
* : Q outputs are latched at the time when the LE input is taken low
2/12
2, 3, 5, 6, 8, 9,
13, 14, 16, 17,
36, 35, 33, 32,
47, 46, 44, 43,
19, 20, 22, 23
30, 29, 27, 26
41, 40, 38, 37
4, 10, 15, 21,
28, 34, 39, 45
7, 18, 31, 42
logic level.
PIN No
11, 12
OE
H
L
L
L
24
25
48
1
INPUTS
1Q0 to 1Q7 3-State Outputs
2Q0 to 2Q7 3-State Outputs
2D0 to 2D7 Data Inputs
1D0 to 1D7 Data Inputs
SYMBOL
LE
H
H
X
L
GND
1OE
2OE
2LE
1LE
V
CC
3 State Output Enable
Input (Active LOW)
3 State Output Enable
Input (Active LOW)
Latch Enable Input
Latch Enable Input
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
D
X
X
H
L
NO CHANGE *
OUTPUT
Q
H
Z
L
IEC LOGIC SYMBOLS