MC74HCT574A Datasheet, PDF (2/8 Pages) ON Semiconductor – Octal 3-State Noninverting D Flip-Flop with LSTTL-Compatible Inputs

MC74HCT574A
LOGIC DIAGRAM
DATA
INPUTS
D0 ²
D1 ³
D2 ⁴
D3 ⁵
D4 ⁶
D5 ⁷
D6 ⁸
D7 ⁹
19 _Q0
18 _Q1
17 _Q2
16 _Q3
15 _Q4
14 _Q5
13 _Q6
12 _Q7
NON–
INVERTING
OUTPUTS
CLOCK ¹¹
OUTPUT ENABLE ¹
PIN 20 = VCC
PIN 10 = GND
FUNCTION TABLE
Inputs
OE 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
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Design Criteria}
Value Units
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Internal Gate Count*
71.5
ea
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Internal Gate Propagation Delay}
1.5
ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Internal Gate Power Dissipation}
5.0
µW
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Speed Power Product}
0.0075 pJ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{*Equivalent to a two–input NAND gate.}
PIN ASSIGNMENT
OUTPUT ₁
ENABLE
D0 2
D1 3
20 VCC
19 Q0
18 Q1
D2 4
17 Q2
D3 5
D4 6
D5 7
16 Q3
15 Q4
14 Q5
D6 8
13 Q6
D7 9
GND 10
12 Q7
11 CLOCK
http://onsemi.com
2