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74VCXH162373 Ver la hoja de datos (PDF) - STMicroelectronics

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74VCXH162373 LOW VOLTAGE CMOS 16-BIT D-TYPE LATCH (3-STATE) WITH 3.6V TOLERANT INPUTS AND OUTPUTS ST-Microelectronics
STMicroelectronics ST-Microelectronics
74VCXH162373 Datasheet PDF : 12 Pages
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74VCXH162373
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
SYMBOL NAME AND FUNCTION
1
1OE 3 State Output Enable
Input (Active LOW)
2, 3, 5, 6, 8, 9, 1Q0 to 1Q7 3-State Outputs
11, 12
13, 14, 16, 17, 2Q0 to 2Q7 3-State Outputs
19, 20, 22, 23
24
2OE 3 State Output Enable
Input (Active LOW)
25
2LE Latch Enable Input
36, 35, 33, 32, 2D0 to 2D7 Data Inputs
30, 29, 27, 26
47, 46, 44, 43, 1D0 to 1D7 Data Inputs
41, 40, 38, 37
48
1LE Latch Enable Input
4, 10, 15, 21,
28, 34, 39, 45
GND
Ground (0V)
7, 18, 31, 42
VCC Positive Supply Voltage
TRUTH TABLE
INPUTS
OUTPUT
OE
LE
D
Q
H
X
X
Z
L
L
X
NO CHANGE *
L
H
L
L
L
H
H
H
X : Don‘t Care
Z : High Impedance
* : Q outputs are latched at the time when the LE input is taken low
logic level.
IEC LOGIC SYMBOLS
2/12
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