AC Electrical Characteristics
74F
54F
74F
e a
T
25 C
§
5.0V
A
e
50 pF
e
50 pF
T
, V
CC
e
Mil
T
, V
A CC
Com
A
e a
Symbol
Parameter
V
Units
CC
e
C
C
L
L
e
C
50 pF
L
Min
Typ
Max
Min
Max
Min
Max
f
Maximum Clock Frequency
160
95
130
MHz
ns
max
t
t
Propagation Delay
Clock to Output
3.0
4.0
7.0
2.5
3.0
9.5
2.5
3.5
7.5
9.0
PLH
9.00
11.0
PHL
t
t
Propagation Delay
MR to Output
PLH
4.5
9.5
3.0
11.0
4.0
10.0
ns
PHL
AC Operating Requirements
74F
54F
74F
e a
e a
T
25 C
§
5.0V
A
e
e
Symbol
Parameter
T
, V
CC
Mil
Max
T
, V
A CC
Com
Max
Units
A
V
CC
Min
Max
Min
Min
t (H)
s
Setup Time, HIGH or LOW
Data to CP
3.0
3.5
3.5
4.0
3.0
3.5
t (L)
s
ns
t (H)
h
Hold Time, HIGH or LOW
Data to CP
0.5
1.0
1.0
1.0
0.5
1.0
t (L)
h
t
(L)
MR Pulse Width, LOW
6.0
4.0
6.0
ns
ns
ns
w
t
t
(H)
(L)
CP Pulse Width
HIGH or LOW
6.0
6.0
5.0
5.0
6.0
6.0
w
w
t
Recovery Time, MR to CP
3.0
4.5
3.5
rec
Ordering Information
The device number is used to form part of a simplified purchasing code where a package type and temperature range are
defined as follows:
74F 273
S
C
X
Temperature Range Family
e
e
54F Military
Special Variations
e
e
74F Commercial
X
QB
Devices shipped in 13 reels
×
Military grade with environmental
and burn-in processing shipped
in tubes
Device Type
Package Code
Temperature Range
e
e
e
e
e
e
P
D
S
SJ
F
L
Plastic DIP
Ceramic DIP
Small Outline SOIC JEDEC
Small Outline SOIC EIAJ
Flatpak
e
e
a
C
M
Commercial (0 C to 70 C)
§
§
b a
Military ( 55 C to 125 C)
§
§
Leadless Chip Carrier (LCC)
4