HD74AC174 查看數據表（PDF） - Hitachi -> Renesas Electronics
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HD74AC174 Datasheet PDF : 9 Pages
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Logic Diagram
HD74AC174
MR CP D5
D4
D3
D2
D1
D0
DQ
CP
CD
DQ
CP
CD
DQ
CP
CD
DQ
CP
CD
DQ
CP
CD
DQ
CP
CD
Q5
Q4
Q3
Q2
Q1
Q0
Please note that this diagram is provided only for the understanding of logic operations and should not be
used to estimate propagation delays.
DC Characteristics (unless otherwise specified)
Item
Symbol Max
Unit
Maximum quiescent supply current ICC
80
µA
Maximum quiescent supply current ICC
8.0
µA
Condition
VIN = VCC or ground, VCC = 5.5 V,
Ta = Worst case
VIN = VCC or ground, VCC = 5.5 V,
Ta = 25°C
AC Characteristics: HD74AC174
Item
Maximum clock
frequency
Symbol
f max
VCC (V)*1
3.3
5.0
Ta = +25°C
CL = 50 pF
Min Typ
90
100
100 125
Propagation delay
t PLH
3.3
1.0
9.0
CP to Qn
5.0
1.0
6.0
Propagation delay
t PHL
3.3
1.0
8.5
CP to Qn
5.0
1.0
6.0
Propagation delay
t PHL
3.3
1.0
9.0
MR to Qn
5.0
1.0
7.0
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Max
—
—
11.5
8.5
11.0
8.0
11.5
9.0
Ta = –40°C to +85°C
CL = 50 pF
Min
Max
70
—
100
—
1.0
12.5
1.0
9.5
1.0
12.0
1.0
9.0
1.0
12.5
1.0
10.5
Unit
MHz
ns
ns
ns
3
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