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What is 74ACT169?

This electronic component, produced by the manufacturer "National Semiconductor", performs the same function as "4-Stage Synchronous Bidirectional Counter".


74ACT169 Datasheet PDF - National Semiconductor

Part Number 74ACT169
Description 4-Stage Synchronous Bidirectional Counter
Manufacturers National Semiconductor 
Logo National Semiconductor Logo 


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No Preview Available ! 74ACT169 datasheet, circuit

April 1993
54AC 74AC16954ACT 74ACT169
4-Stage Synchronous Bidirectional Counter
General Description
The ’AC ’ACT169 is fully synchronous 4-stage up down
counter The ’AC ’ACT169 is a modulo-16 binary counter It
features a preset capability for programmable operation
carry lookahead for easy cascading and a U D input to con-
trol 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 ICC reduced by 50%
Y Synchronous counting and loading
Y Built-In lookahead carry capability
Y Presettable for programmable operation
Y Outputs source sink 24 mA
Y ’ACT has TTL-compatible inputs
Y Standard Military Drawing (SMD)
’AC169 5962-91603
Logic Symbols
IEEE IEC
Connection Diagrams
Pin Assignment
for DIP Flatpak and SOIC
TL F 9934–1
Pin Names
CEP
CET
CP
P0 – P3
PE
UD
Q0 – Q3
TC
Description
Count Enable Parallel Input
Count Enable Trickle Input
Clock Pulse Input
Parallel Data Inputs
Parallel Enable Input
Up-Down Count Control Input
Flip-Flop Outputs
Terminal Count Output
FACTTM is a trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation TL F 9934
TL F 9934 – 2
TL F 9934 – 3
Pin Assignment
for LCC
TL F 9934 – 4
RRD-B30M75 Printed in U S A

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74ACT169 equivalent
AC Electrical Characteristics
74AC
Symbol
Parameter
VCC
(V)
TA e a25 C
CL e 50 pF
Min Typ Max
fmax Maximum Clock 3 3 75 118
Frequency
5 0 100 154
tPLH
Propagation Delay 3 3 2 5 9 5 13 0
CP to Qn
5 0 1 5 7 0 10 0
(PE HIGH or LOW)
tPHL
Propagation Delay 3 3 2 5 10 5 14 5
CP to Qn
(PE HIGH or LOW)
50
1 5 7 5 11 0
tPLH
Propagation Delay 3 3 4 5 13 5 18 0
CP to TC
5 0 3 0 9 5 13 0
tPHL
Propagation Delay 3 3 3 5 13 5 18 0
CP to TC
5 0 2 5 9 5 13 0
tPLH
Propagation Delay 3 3 3 5 11 0 15 0
CET to TC
5 0 3 0 8 0 10 5
tPHL
Propagation Delay 3 3 3 0 9 5 12 5
CET to TC
50 20 70 90
tPLH
Propagation Delay 3 3 3 5 11 0 15 0
U D to TC
5 0 2 5 8 0 10 5
tPHL
Propagation Delay 3 3 2 5 10 0 13 5
U D to TC
50 15 70 95
Voltage Range 3 3 is 3 3V g0 3V
Voltage Range 5 0 is 5 0V g0 5V
54AC
TA e b55 C
to a125 C
CL e 50 pF
Min Max
55
75
1 0 15 0
1 5 12 0
1 0 16 5
1 5 13 0
3 0 22 0
3 0 16 0
3 0 22 0
3 0 16 0
1 0 18 5
1 5 13 0
1 0 16 0
1 5 11 0
1 0 18 5
1 5 13 0
1 0 16 5
1 5 12 0
74AC
TA e b40 C
to a85 C
CL e 50 pF
Min Max
65
90
2 0 14 5
1 5 11 0
2 0 16 0
1 5 12 0
3 5 22 0
2 0 14 0
3 0 20 5
2 0 14 5
3 0 16 5
2 5 12 0
2 5 14 5
1 5 10 0
3 0 17 0
2 0 12 0
2 0 15 5
1 5 10 5
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74ACT169 electronic component.


Information Total 12 Pages
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