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54F257AFMQB

Part # 54F257AFMQB
Description
Category IC
Availability In Stock
Qty 1
Qty Price
1 + $19.07264
Manufacturer Available Qty
National Semiconductor Corp
Date Code: 9039
  • Shipping Freelance Stock: 1
    Ships Immediately

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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

AC Electrical Characteristics
74F 54F 74F
T
A
ea
25
§
C
T
A
,V
CC
e
Mil T
A
,V
CC
e
Com
Symbol Parameter V
CC
ea
5.0V
C
L
e
50 pF C
L
e
50 pF
Units
C
L
e
50 pF
Min Typ Max Min Max Min Max
t
PLH
Propagation Delay 2.5 4.5 5.5 2.0 7.0 2.0 6.0
ns
t
PHL
I
n
to Z
n
2.0 4.2 5.5 1.5 7.0 2.0 6.0
t
PLH
Propagation Delay 4.0 5.0 9.5 3.5 11.5 3.5 10.5
ns
t
PHL
StoZ
n
2.5 6.5 7.0 2.5 9.0 2.5 8.0
t
PZH
Output Enable Time 2.0 5.9 6.0 2.0 8.0 2.0 7.0
t
PZL
2.5 5.5 7.0 2.5 9.0 2.5 8.0
ns
t
PHZ
Output Disable Time 2.0 4.3 6.0 2.0 7.0 2.0 7.0
t
PLZ
2.0 4.5 6.0 2.0 8.5 2.0 7.0
4
Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are
defined as follows:
74F 257A S C X
Temperature Range Family Special Variations
74F
e
Commercial X
e
Devices shipped in 13
×
reels
54F
e
Military QB
e
Military grade with
environmental and burn-in
Device Type
processing shipped in tubes
Package Code
Temperature Range
P
e
Plastic DIP
C
e
Commercial (0
§
Cto
a
70
§
C)
D
e
Ceramic DIP
M
e
Military (
b
55
§
Cto
a
125
§
C)
F
e
Flatpak
L
e
Leadless Ceramic Chip Carrier (LCC)
S
e
Small Outline SOIC JEDEC
SJ
e
Small Outline SOIC EIAJ
Physical Dimensions inches (millimeters)
20-Lead Ceramic Leadless Chip Carrier (L)
NS Package Number E20A
5
Physical Dimensions inches (millimeters) (Continued)
16-Lead Ceramic Dual-In-Line Package (D)
NS Package Number J16A
16-Lead (0.150
×
Wide) Molded Small Outline Package, JEDEC (S)
NS Package Number M16A
6
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