CD54HC374_03 Datasheet, PDF (2/8 Pages) Texas Instruments – High-Speed CMOS Logic Octal D-Type Flip-Flop, 3-State Positive-Edge Triggered

CD54/74HC374, CD54/74HCT374, CD54/74HC574, CD54/74HCT574
Pinouts
CD54HC374, CD54HCT374
(CERDIP)
CD74HC374, CD74HCT374
(PDIP, SOIC)
TOP VIEW
OE 1
Q0 2
D0 3
D1 4
Q1 5
Q2 6
D2 7
D3 8
Q3 9
GND 10
20 V_CC
19 Q7
18 D7
17 D6
16 Q6
15 Q5
14 D5
13 D4
12 Q4
11 CP
CD54HC574, CD54HCT574
(CERDIP)
CD74HC574, CD74HCT574
(PDIP, SOIC)
TOP VIEW
OE 1
D0 2
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
D7 9
GND 10
20 V_CC
19 Q0
18 Q1
17 Q2
16 Q3
15 Q4
14 Q5
13 Q6
12 Q7
11 CP
Functional Diagram
D₀
D₁
D₂
D₃
D₄
D₅
D₆
D₇
D
CP Q
D
CP Q
D
CP Q
D
CP Q
D
CP Q
D
CP Q
D
CP Q
D
CP Q
CP
OE
Q₀
Q₁
Q₂
Q₃
Q₄
Q₅
Q₆
Q₇
TRUTH TABLE
INPUTS
OUTPUT
OE
CP
Dn
Qn
L
↑
H
H
L
↑
L
L
L
L
X
Q0
H
X
X
Z
H = High Level (Steady State)
L = Low Level (Steady State)
X= Don’t Care
↑= Transition from Low to High Level
Q0= The level of Q before the indicated steady-state input
conditions were established
Z = High Impedance State
2