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54F191 Datasheet(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No. de Pieza. 54F191
Descripción  Up/Down Binary Counter with Preset and Ripple Clock
Descarga  10 Pages
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Fabricante  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
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54F191 Datasheet(HTML) 6 Page - National Semiconductor (TI)

 
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AC Operating Requirements
74F
54F
74F
Symbol
Parameter
TA ea25 C
TA VCC e Mil
TA VCC e Com
Units
VCC ea50V
Min
Max
Min
Max
Min
Max
ts(H)
Setup Time HIGH or LOW
45
60
50
ts(L)
Pn to PL
45
60
50
ns
th(H)
Hold Time HIGH or LOW
20
20
20
th(L)
Pn to PL
20
20
20
ts(L)
Setup Time LOW
100
105
100
CE to CP
ns
th(L)
Hold Time LOW
000
CE to CP
ts(H)
Setup Time HIGH or LOW
120
120
120
ts(L)
U D to CP
120
120
120
ns
th(H)
Hold Time HIGH or LOW
0
0
0
th(L)
U D to CP
0
0
0
tw(L)
PL Pulse Width LOW
60
85
60
ns
tw(L)
CP Pulse Width LOW
50
70
50
ns
trec
Recovery Time
60
75
60
ns
PL to CP
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
191
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 processing shipped
Device Type
in tubes
Package Code
Temperature Range
P e Plastic DIP
C e Commercial (0 Cto a70 C)
D e Ceramic DIP
M e Military (b55 Cto a125 C)
F e Flatpak
L e Leadless Ceramic Chip Carrier (LCC)
S e Small Outline SOIC JEDEC
SJ e Small Outline SOIC EIAJ
6


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