HD74AC74 Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics
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Fabricante
HD74AC74 Datasheet PDF : 10 Pages
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HD74AC74
AC Characteristics
Item
Maximum clock
frequency
Symbol
f max
VCC (V)*1
3.3
5.0
Ta = +25°C
CL = 50 pF
Min Typ
100 125
140 160
Propagation delay
t PLH
3.3
1.0
CDn or SDn to Qn or Qn
5.0
1.0
Propagation delay
t PHL
3.3
1.0
CDn or SDn to Qn or Qn
5.0
1.0
Propagation delay
t PLH
3.3
1.0
CPn to Qn or Qn
5.0
1.0
Propagation delay
t PHL
3.3
1.0
CPn to Qn or 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
8.0
6.0
10.5
8.0
8.0
6.0
8.0
6.0
Max
—
—
12.0
9.0
12.0
9.5
13.5
10.0
14.0
10.0
Ta = –40°C to +85°C
CL = 50 pF
Min
Max
95
—
125
—
1.0
13.0
1.0
10.0
1.0
13.5
1.0
10.5
1.0
16.0
1.0
10.5
1.0
14.5
1.0
10.5
Unit
MHz
ns
ns
ns
ns
AC Operating Requirements: HD74AC74
Item
Set-up time, HIGH or LOW
Dn to CPn
Hold time, HIGH or LOW
Dn to CPn
CPn or CDn or SDn
Pulse width
Symbol
t su
Ta = +25°C
CL = 50 pF
VCC (V)*1 Typ
3.3
1.5
5.0
1.0
th
3.3
–2.0
5.0
–1.5
tw
3.3
3.0
5.0
2.5
Recovery time
t rec
3.3
CDn or SDn to CP
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
–2.5
–2.0
Ta = –40°C
to +85°C
CL = 50 pF
Guaranteed Minimum
4.0
4.5
3.0
3.0
0
0
0
0
5.5
7.0
4.5
5.0
0
0
0
0
Unit
ns
ns
ns
ns
4
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