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HD74AC74 Datasheet(PDF) 4 Page - Hitachi Semiconductor

Part No. HD74AC74
Description  Dual D-Type Positive Edge-Triggered Flip-Flop
Download  10 Pages
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Maker  HITACHI [Hitachi Semiconductor]
Homepage  http://www.renesas.com/eng
Logo HITACHI - Hitachi Semiconductor

HD74AC74 Datasheet(HTML) 4 Page - Hitachi Semiconductor

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HD74AC74
4
AC Characteristics
Ta = +25
°C
C
L = 50 pF
Ta = –40
°C to +85°C
C
L = 50 pF
Item
Symbol
V
CC (V)*
1
Min
Typ
Max
Min
Max
Unit
Maximum clock
f
max
3.3
100
125
95
MHz
frequency
5.0
140
160
125
Propagation delay
t
PLH
3.3
1.0
8.0
12.0
1.0
13.0
ns
C
Dn or SDn to Qn or Qn
5.0
1.0
6.0
9.0
1.0
10.0
Propagation delay
t
PHL
3.3
1.0
10.5
12.0
1.0
13.5
ns
C
Dn or SDn to Qn or Qn
5.0
1.0
8.0
9.5
1.0
10.5
Propagation delay
t
PLH
3.3
1.0
8.0
13.5
1.0
16.0
ns
CP
n to Q n or Qn
5.0
1.0
6.0
10.0
1.0
10.5
Propagation delay
t
PHL
3.3
1.0
8.0
14.0
1.0
14.5
ns
CP
n to Q n or Qn
5.0
1.0
6.0
10.0
1.0
10.5
Note:
1. Voltage Range 3.3 is 3.3 V
± 0.3 V
Voltage Range 5.0 is 5.0 V
± 0.5 V
AC Operating Requirements: HD74AC74
Ta = +25
°C
C
L = 50 pF
Ta = –40
°C
to +85
°C
C
L = 50 pF
Item
Symbol
V
CC (V)*
1
Typ
Guaranteed Minimum
Unit
Set-up time, HIGH or LOW
t
su
3.3
1.5
4.0
4.5
ns
D
n to CPn
5.0
1.0
3.0
3.0
Hold time, HIGH or LOW
t
h
3.3
–2.0
0
0
ns
D
n to CPn
5.0
–1.5
0
0
CP
n or CDn or SDn
t
w
3.3
3.0
5.5
7.0
ns
Pulse width
5.0
2.5
4.5
5.0
Recovery time
t
rec
3.3
–2.5
0
0
ns
C
Dn or SDn to CP
5.0
–2.0
0
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


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