CD54HC377 Datasheet, PDF (2/13 Pages) Texas Instruments – High-Speed CMOS Logic Octal D-Type Flip-Flop With Data Enable

CD54HC377, CD74HC377, CD54HCT377, CD74HCT377
Functional Diagram
3
D₀
4
D₁
7
D₂
8
D₃
13
D₄
14
D₅
17
D₆
18
D₇
CP
E
11 1
2
Q₀
5
Q₁
6
Q₂
9
Q₃
12
Q₄
15
Q₅
16
Q₆
19
Q₇
GND = 10
V_CC = 20
TRUTH TABLE
INPUTS
OPERATING MODE
Load “1”
CP
E
D_n
↑
l
h
Load “0”
↑
l
l
Hold (Do Nothing)
↑
h
X
X
H
X
H = High Voltage Level Steady State.
h = High Voltage Level One Set-up Time Prior to the Low to High Clock Transition.
L = Low Voltage Level Steady State.
l = Low Voltage Level One Set-up Time Prior to the Low to High Clock Transition.
X = Don’t Care.
↑ = Low to High Clock Transition.
OUPUTS
Q_n
H
L
No Change
No Change
Logic Diagram
D₀
D₁
D₂
D₃
D₄
D₅
D₆
D₇
E
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
CP
CP
CP
CP
CP
CP
CP
CP
CP
Q₀
Q₁
Q₂
Q₃
Q₄
Q₅
Q₆
Q₇
2