HD74AC194 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics
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HD74AC194 Datasheet PDF : 11 Pages
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HD74AC194
AC Characteristics: HD74AC194
Item
Maximum clock
frequency
Symbol
f max
VCC (V)*1
3.3
5.0
Ta = +25°C
CL = 50 pF
Min Typ
7.5
—
100 —
Propagation delay
t PLH
3.3
1.0
—
CP to Qn
5.0
1.0
—
Propagation delay
t PHL
3.3
1.0
—
CP to Qn
5.0
1.0
—
Propagation delay
t PHL
3.3
1.0
—
MR to Qn
5.0
1.0
—
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
13.0
10.0
13.0
10.0
10.5
8.0
Ta = –40°C to +85°C
CL = 50 pF
Min
Max
65
85
1.0
15.0
1.0
11.5
1.0
15.0
1.0
11.5
1.0
12.5
1.0
9.0
Unit
MHz
ns
ns
ns
AC Operating Requirements: HD74AC194
Item
Setup time, HIGH or LOW
Pn or DSR or DSL to CP
Hold time, HIGH or LOW
Pn or DSR or DSL to CP
Setup time, HIGH or LOW
Sn to CP
Hold time, HIGH or LOW
Sn to CP
Recovery time
MR to CP
Symbol
t su
Ta = +25°C
CL = 50 pF
VCC (V)*1 Typ
3.3
—
5.0
—
th
3.3
—
5.0
—
t su
3.3
—
5.0
—
th
3.3
—
5.0
—
t rec
3.3
—
5.0
—
Pulse width
tw
3.3
—
5.0
—
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Ta = –40°C
to +85°C
CL = 50 pF
Guaranteed Minimum
5.5
7.0
4.0
5.0
2.0
3.0
1.5
2.0
6.0
7.5
4.5
5.5
0.0
0.0
0.0
0.0
0.5
0.5
0.5
0.5
5.5
7.0
4.5
5.0
Unit
ns
ns
ns
ns
ns
ns
5
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