HD74AC374 Ver la hoja de datos (PDF) - Renesas Electronics
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HD74AC374 Datasheet PDF : 10 Pages
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HD74AC374/HD74ACT374
AC Operating Requirements: HD74AC374
Ta = –40°C
Ta = +25°C
to +85°C
CL = 50 pF
CL = 50 pF
Item
Symbol VCC (V)*1
Typ
Guaranteed Minimum
Setup time, HIGH or LOW
tsu
3.3
2.0
5.5
6.5
ns
Dn to CP
5.0
1.0
4.0
4.5
Hold time, HIGH or LOW
th
3.3
–1.0
1.0
1.0
ns
Dn to CP
5.0
–4.0
1.5
1.5
CP pulse width, HIGH or LOW tw
3.3
4.0
5.5
6.0
ns
5.0
2.5
4.0
4.5
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Unit
AC Characteristics: HD74ACT374
Ta = +25°C
Ta = –40°C to +85°C
Item
Maximum clock
frequency
Symbol VCC (V)*1
fmax
5.0
CL = 50 pF
Min Typ Max
100 160 —
CL = 50 pF
Min
Max
90
—
MHz
Unit
Propagation delay
tPLH
5.0
1.0 8.5 10.0 1.0
CP to On
Propagation delay
tPHL
5.0
1.0 8.0 9.5 1.0
CP to On
Output enable time
tZH
5.0
1.0 8.0 9.5 1.0
Output enable time
tZL
5.0
1.0 8.0 9.0 1.0
Output disable time
tHZ
5.0
1.0 8.5 11.5 1.0
Output disable time
tLZ
5.0
1.0 7.0 8.5 1.0
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
11.5
ns
11.0
ns
10.5
ns
10.5
ns
12.5
ns
10.0
ns
AC Operating Requirements: HD74ACT374
Ta = –40°C
Ta = +25°C
to +85°C
Item
Symbol VCC (V)*1
CL = 50 pF
CL = 50 pF
Typ
Guaranteed Minimum
Setup time, HIGH or LOW
tsu
5.0
1.0
7.0
5.5
ns
Dn to CP
Hold time, HIGH or LOW
th
5.0
0.0
1.5
1.5
ns
Dn to CP
CP pulse width, HIGH or LOW tw
5.0
2.0
7.0
5.0
ns
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
Unit
Capacitance
Item
Input capacitance
Power dissipation capacitance
Symbol
CIN
CPD
Typ
4.5
80.0
Unit
pF
pF
VCC = 5.5 V
VCC = 5.0 V
Condition
Rev.2.00, Jul.16.2004, page 6 of 9
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