HD74LS393 Datasheet, PDF (1/7 Pages) Hitachi Semiconductor – DUAL 4-BIT BINARY COUNTERS

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
(FP-14DAV)
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 4
Outputs
1QC 5
1QD 6
GND 7
CLR
QA
A
QB
QC
QD
CLR
QA
A
QB
QC
QD
14 V_CC
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