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SN54ALS160B Datasheet(PDF) 2 Page - Texas Instruments

Part No. SN54ALS160B
Description  SYNCHRONOUS 4-BIT DECADE AND BINARY COUNTERS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54ALS160B Datasheet(HTML) 2 Page - Texas Instruments

 
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SN54ALS160B, SN54ALS162B, SN54AS160, SN54AS162
SN74ALS160B, SN74ALS162B, SN74AS160, SN74AS162
SYNCHRONOUS 4-BIT BINARY COUNTERS
SDAS024A – D2661, APRIL 1982 – REVISED MAY 1986
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2
logic symbols
9
LOAD
CLR
1
ENT
10
ENP
7
CLK
2
A
3
B
4
C
5
D
6
CTRDIV10
3CT = 9
15
RCO
QA
14
QB
13
QC
12
QD
11
5CT=0
M1
M2
G3
G4
C5/2,3,4+
1,5D
[1]
[2]
[4]
[8]
[8]
[4]
[2]
[1]
1,5D
C5/2,3,4+
G4
G3
M2
M1
CT=0
11
QD
12
QC
13
QB
14
QA
RCO
15
3CT = 9
CTRDIV10
6
D
5
C
4
B
3
A
2
CLK
7
ENP
10
ENT
1
CLR
LOAD
9
’ALS160B AND ’AS160 BINARY
COUNTERS WITH DIRECT CLEAR
’ALS162B AND ’AS162 BINARY
COUNTERS WITH SYNCHRONOUS CLEAR
’ALS160B and ’AS160 logic diagram (positive logic)
6
D
C
5
4
B
11
QD
R
1D
C1
12
QC
R
1D
C1
C1
1D
R
R
15
RCO
QA
14
QB
13
9
LOAD
CLR
1
ENT
10
ENP
7
CLK
2
A
3
1D
C1
† These symbols are in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for D, J, and N packages.
’ALS162B and ’AS162 decade counters are similar; however the clear is synchronous as shown for the ’ALS163B and ’AS163 binary counters.


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