HD74ACT298 データシートの表示（PDF） - Hitachi -> Renesas Electronics
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HD74ACT298 Datasheet PDF : 10 Pages
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HD74AC298/HD74ACT298
AC Operating Requirements: HD74AC298
Item
Setup time, HIGH or LOW
D or S to CP
Symbol
t su
Ta = +25°C
CL = 50 pF
VCC (V)*1 Typ
3.3
4.5
5.0
2.5
Hold time, HIGH or LOW
th
Dn to CPn
Hold time, HIGH or LOW
th
S to CP
3.3
–2.0
5.0
–1.0
3.3
–3.0
5.0
–1.5
Pulse with
tw
3.3
3.0
5.0
3.0
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
4.5
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
AC Characteristics: HD74ACT298
Item
Maximum count
frequency
Symbol VCC (V)*1
f max
5.0
Ta = +25°C
CL = 50 pF
Min Typ
70
—
Propagation delay
t PLH
5.0
CP to Q
1.0
6.0
Propagation delay
t PHL
5.0
CP to Q
1.0
6.5
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
Max
—
10.0
10.0
Ta = –40°C to +85°C
CL = 50 pF
Min
Max
60
—
Unit
MHz
1.0
11.0
ns
1.0
11.0
4
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