MC74HC574A_11 Datasheet, PDF (2/9 Pages) ON Semiconductor – Octal 3-State Noninverting D Flip-Flop

OUTPUT ₁
ENABLE
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 CLOCK
Figure 1. Pin Assignment
MC74HC574A
FUNCTION TABLE
Inputs
Output
OE Clock D
Q
L
L
L
L,H,
H
X
H
H
L
L
X No Change
X
Z
X = Don’t Care
Z = High Impedance
DATA
INPUTS
D0 ²
D1 ³
D2 ⁴
D3 ⁵
D4 ⁶
D5 ⁷
D6 ⁸
D7 ⁹
CLOCK ¹¹
OUTPUT ENABLE ¹
19 _Q0
18 _Q1
17 _Q2
16 _Q3
15 _Q4
14 _Q5
13 _Q6
12 _Q7
NONINVERTING
OUTPUTS
PIN 20 = V_CC
PIN 10 = GND
Figure 2. Logic Diagram
Design Criteria
Internal Gate Count*
Value
66.5
Units
ea.
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Internal Gate Propagation Delay}
1.5
ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Internal Gate Power Dissipation}
5.0
mW
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Speed Power Product}
0.0075 pJ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{*Equivalent to a two−input NAND gate.}
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