SN54HC393_15 Datasheet, PDF (1/22 Pages) Texas Instruments – DUAL 4-BIT BINARY COUNTERS

SN54HC393, SN74HC393
DUAL 4ĆBIT BINARY COUNTERS
D Wide Operating Voltage Range of 2 V to 6 V
D Outputs Can Drive Up To 10 LSTTL Loads
D Low Power Consumption, 80-µA Max I_CC
D Typical t_pd = 13 ns
D ±4-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
D Dual 4-Bit Binary Counters With Individual
Clocks
D Direct Clear for Each 4-Bit Counter
D Can Significantly Improve System
Densities by Reducing Counter Package
Count by 50 Percent
SCLS143D − DECEMBER 1982 − REVISED JULY 2003
SN54HC393 . . . J OR W PACKAGE
SN74HC393 . . . D, DB, N, NS, OR PW PACKAGE
(TOP VIEW)
1CLK 1
1CLR 2
1Q_A 3
1Q_B 4
1Q_C 5
1Q_D ⁶
GND ⁷
14 V_CC
13 2CLK
12 2CLR
11 2Q_A
10 2Q_B
9 _2QC
8 _2QD
SN54HC393 . . . FK PACKAGE
(TOP VIEW)
description/ordering information
The ’HC393 devices contain eight flip-flops and
additional gating to implement two individual 4-bit
counters in a single package. These devices
comprise two independent 4-bit binary counters,
each having a clear (CLR) and a clock (CLK)
input. N-bit binary counters can be implemented
with each package, providing the capability of
divide by 256. The ’HC393 devices have parallel
outputs from each counter stage so that any
submultiple of the input count frequency is
available for system timing signals.
1Q_A
NC
1Q_B
NC
1Q_C
3 2 1 20 19
4
18
5
17
6
16
7
15
8
14
9 10 11 12 13
2CLR
NC
2Q_A
NC
2Q_B
NC − No internal connection
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N
Tube of 25
SN74HC393N
SN74HC393N
Tube of 50
SN74HC393D
SOIC − D
Reel of 2500
Reel of 250
SN74HC393DR
SN74HC393DT
HC393
−40°C to 85°C
SOP − NS
SSOP − DB
Reel of 2000
Reel of 2000
SN74HC393NSR
SN74HC393DBR
HC393
HC393
Tube of 90
SN74HC393PW
TSSOP − PW
Reel of 2000
Reel of 250
SN74HC393PWR
SN74HC393PWT
HC393
CDIP − J
Tube of 25
SNJ54HC393J
SNJ54HC393J
−55°C to 125°C CFP − W
Tube of 150
SNJ54HC393W
SNJ54HC393W
LCCC − FK
Tube of 55
SNJ54HC393FK
SNJ54HC393FK
† _{Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are}
available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright  2003, Texas Instruments Incorporated
On products compliant to MILĆPRFĆ38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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