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PDF 74F169PC Data sheet ( Hoja de datos )
| Número de pieza | 74F169PC | |
| Descripción | 4-Stage Synchronous Bidirectional Counter | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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November 1994
54F 74F169
4-Stage Synchronous Bidirectional Counter
General Description
The ’F169 is a fully synchronous 4-stage up down counter
The ’F169 is a modulo-16 binary counter Features a preset
capability for programmable operation carry lookahead for
easy cascading and a U D input to control the direction of
counting All state changes whether in counting or parallel
loading are initiated by the LOW-to-HIGH transition of the
clock
Features
Y Asynchronous counting and loading
Y Built-in lookahead carry capability
Y Presettable for programmable operation
Commercial
74F169PC
74F169SC (Note 1)
74F169SJ (Note 1)
Military
54F169DM (Note 2)
Package
Number
N16E
J16A
M16A
M16D
Package Description
16-Lead (0 300 Wide) Molded Dual-In-Line
16-Lead Ceramic Dual-In-Line
16-Lead (0 150 Wide) Molded Small Outline JEDEC
16-Lead (0 300 Wide) Molded Small Outline EIAJ
Note 1 Devices also available in 13 reel Use suffix e SCX and SJX
Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB
Logic Symbols
IEEE IEC
’F169
TL F 9488 – 3
TRI-STATE is a registered trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation TL F 9488
TL F 9488 – 9
RRD-B30M75 Printed in U S A
1 page  
’F169
AC Electrical Characteristics
Symbol
Parameter
fmax
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Maximum Count Frequency
Propagation Delay
CP to Qn (PE HIGH or LOW)
Propagation Delay
CP to TC
Propagation Delay
CET to TC
Propagation Delay
U D to TC
74F
TA e a25 C
VCC e a5 0V
CL e 50 pF
Min Typ Max
90
30 65 85
4 0 9 0 11 5
5 5 12 0 15 5
4 0 8 5 12 5
25 45 65
2 5 8 5 11 0
3 5 8 5 11 5
4 0 8 0 12 0
54F
TA VCC e Mil
CL e 50 pF
Min Max
60
3 0 12 0
4 0 16 0
5 5 20 0
4 0 15 0
25 90
2 5 12 0
3 5 16 0
4 0 14 0
AC Operating Requirements
Symbol
Parameter
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
Setup Time HIGH or LOW
Pn to CP
Hold Time HIGH or LOW
Pn to CP
Setup Time HIGH or LOW
CEP or CET to CP
Hold Time HIGH or LOW
CEP or CET to CP
Setup Time HIGH or LOW
PE to CP
Hold Time HIGH or LOW
PE to CP
Setup Time HIGH or LOW
U D to CP
Hold Time HIGH or LOW
U D to CP
CP Pulse Width
HIGH or LOW
74F
TA e a25 C
VCC e a5 0V
Min Max
40
40
30
30
70
50
0
05
80
80
10
0
11 0
70
0
0
40
70
54F
TA VCC e Mil
Min
45
45
35
35
80
80
0
10
10 0
10 0
10
0
14 0
12 0
0
0
60
90
Max
74F
TA VCC e Com
CL e 50 pF
Min Max
70
30 95
4 0 13 0
5 5 17 5
4 0 13 0
25 70
2 5 12 0
3 5 12 5
4 0 13 0
74F
TA VCC e Com
Min
45
45
35
35
80
65
0
05
90
90
10
0
12 5
85
0
0
45
80
Max
Units
MHz
ns
ns
ns
ns
Units
ns
ns
ns
ns
ns
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet 74F169PC.PDF ] | |
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