MC74HCT374A Datasheet, PDF (2/8 Pages) ON Semiconductor – Octal 3-State Noninverting D Flip-Flop with LSTTL-Compatible Inputs

MC74HCT374A
LOGIC DIAGRAM
DATA
INPUTS
D0 ³
D1 ⁴
D2 ⁷
D3 ⁸
D4 ¹³
D5 ¹⁴
D6 ¹⁷
D7 ¹⁸
CLOCK ¹¹
2 _Q0
5 _Q1
6 _Q2
9 _Q3
12 _Q4
15 _Q5
16 _Q6
19 _Q7
NONINVERTING
OUTPUTS
OUTPUT ENABLE ¹
PIN 20 = VCC
PIN 10 = GND
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Design Criteria}
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Internal Gate Count*}
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Internal Gate Propagation Delay}
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Internal Gate Power Dissipation}
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Speed Power Product}
Value
69
1.5
5.0
.0075
Units
ea.
ns
µW
pJ
*Equivalent to a two–input NAND gate.
PIN ASSIGNMENT
OUTPUT
ENABLE
1
20 VCC
Q0 2
19 Q7
D0 3
18 D7
D1 4
17 D6
Q1 5
16 Q6
Q2 6
15 Q5
D2 7
14 D5
D3 8
13 D4
Q3 9
12 Q4
GND 10
11 CLOCK
FUNCTION TABLE
Inputs
Output
Enable Clock D
Output
Q
L
L
L
L,H,
H
X
H
H
L
L
X No Change
X
Z
X = don’t care
Z = high impedance
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