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74LCX374_04 Datasheet, PDF (2/13 Pages) STMicroelectronics – OCTAL D-TYPE FLIP FLOP NON-INVERTING (3-STATE) WITH 5V TOLERANT INPUTS AND OUTPUTS
74LCX374
Figure 2: Input And Output Equivalent Circuit
Table 2: Pin Description
PIN N°
1
2, 5, 6, 9, 12,
15, 16, 19
3, 4, 7, 8, 13,
14, 17, 18
11
10
20
SYMBOL
OE
Q0 to Q7
NAME AND FUNCTION
3 State Output Enable
Input (Active LOW)
3-State Outputs
D0 to D7 Data Inputs
CK
GND
VCC
Clock Input (LOW to HIGH,
edge triggered)
Ground (0V)
Positive Supply Voltage
Figure 3: Logic Diagram
Table 3: Truth Table
INPUT
OE
CK
D
H
X
X
L
X
L
L
L
H
X : Don’t Care
Z : High Impedance
OUTPUT
Q
Z
NO CHANGE
L
H
This logic diagram has not be used to estimate propagation delays
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