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M74HCT564 View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
M74HCT564 OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT INVERTING STMICROELECTRONICS
STMicroelectronics STMICROELECTRONICS
M74HCT564 Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
M74HCT564
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
OE
H
L
L
L
X: Don’t Care
Z: High Impedance
LOGIC DIAGRAM
INPUTS
CK
X
PIN DESCRIPTION
PIN No
1
2, 3, 4, 5, 6,
7, 8, 9
12, 13, 14,
15, 16, 17,
18, 19
11
10
20
SYMBOL
OE
D0 to D7
NAME AND FUNCTION
3 State Output Enable
Input (Active LOW)
Data Inputs
Q0 to Q7 3 State Outputs
CK
GND
VCC
Clock Input (LOW to
HIGH, edge triggered)
Ground (0V)
Positive Supply Voltage
OUTPUT
D
Q
X
Z
X
NO CHANGE
L
H
H
L
This logic diagram has not be used to estimate propagation delays
2/11
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