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HD74LS393 Datasheet

Dual 4-bit Binary Counters

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HD74LS393
Dual 4-bit Binary Counters
REJ03D0486–0200
Rev.2.00
Feb.18.2005
This circuit contains eight master-slave flip-flops and additional gating to implement two individual four-bit counters.
The HD74LS393 comprises two independent four-bit binary counters each having a clear and a clock input.
N-bit binary counter can be implemented with each package providing the capability of divide-by-258.
Features
Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74LS393P
DILP-14 pin
PRDP0014AB-B
(DP-14AV)
P
HD74LS393FPEL SOP-14 pin (JEITA)
PRSP0014DF-B
(FP-14DAV)
FP
HD74LS393RPEL SOP-14 pin (JEDEC)
PRSP0014DE-A
(FP-14DNV)
RP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
EL (2,000 pcs/reel)
EL (2,500 pcs/reel)
Pin Arrangement
1A 1
1Clear 2
1QA 3
1QB
Outputs
1QC
4
5
1QD 6
GND 7
CLR
QA
A
QB
QC
QD
CLR
QA
A
QB
QC
QD
14 VCC
13 2A
12 2Clear
11 2QA
10 2QB
9 2QC
Outputs
8 2QD
(Top view)
Rev.2.00, Feb.18.2005, page 1 of 6


Renesas Electronics Components Datasheet

HD74LS393 Datasheet

Dual 4-bit Binary Counters

No Preview Available !

HD74LS393
Function Table
Count
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
H; high level, L; low level
Block Diagram (1/2)
QD
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
Input A
Clear
Input
Output
QC QB
LL
LL
LH
LH
HL
HL
HH
HH
LL
LL
LH
LH
HL
HL
HH
HH
QA
T
Clear
QB
T
Clear
QC
T
Clear
QD
T
Clear
QA
QB
Outputs
QC
QD
QA
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
Rev.2.00, Feb.18.2005, page 2 of 6


Part Number HD74LS393
Description Dual 4-bit Binary Counters
Maker Renesas
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HD74LS393 Datasheet PDF






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