Specification	SN74LS293D

Count Rate	42 MHz
Direction	Up
Logic Type	Binary Counter
Mounting Type	Surface Mount
Number of Bits per Element	4
Number of Elements	1
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Package / Case	14-SOIC
Package / Case [x]	0.154 in
Package / Case [y]	3.9 mm
Reset	Synchronous
Trigger Type	Positive Edge
Voltage - Supply [Max]	5.25 V
Voltage - Supply [Min]	4.75 V

SN74LS293 Series

4-Bit Binary Counters

Part	Operating Temperature [Max]	Voltage - Supply [Min]	Voltage - Supply [Max]	Number of Bits per Element	Count Rate	Logic Type	Reset	Direction	Trigger Type	Package / Case	Package / Case [y]	Package / Case [x]	Mounting Type	Number of Elements
Texas Instruments SN74LS293N	70 °C	4.75 V	5.25 V	4	42 MHz	Binary Counter	Synchronous	Up	Positive Edge	14-DIP	7.62 mm	0.3 "	Through Hole	1
Texas Instruments SN74LS293D	70 °C	4.75 V	5.25 V	4	42 MHz	Binary Counter	Synchronous	Up	Positive Edge	14-SOIC	3.9 mm	0.154 in	Surface Mount	1
Texas Instruments SN74LS293DR	70 °C	4.75 V	5.25 V	4	42 MHz	Binary Counter	Synchronous	Up	Positive Edge	14-SOIC	3.9 mm	0.154 in	Surface Mount	1

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Arrow	N/A	50	$ 1.63
Digikey	Tube	1	$ 3.27
		10	$ 2.93
		50	$ 2.77
		100	$ 2.40
		250	$ 2.28
		500	$ 2.05
		1000	$ 1.73
		2500	$ 1.64
		5000	$ 1.58
Texas Instruments	TUBE	1	$ 2.83
		100	$ 2.48
		250	$ 1.74
		1000	$ 1.40

Description

General part information

SN74LS293 Series

The SN54290/SN74290, SN54LS290/SN74LS290, SN54293/SN74293, and SN54LS293/SN74LS293 counters are electrically and functionally identical to the SN5490A/SN7490A, SN54LS90/SN74LS90, SN5493A/SN7493A, and SN54LS93/SN74LS93, respectively. Only the arrangement of the terminals has been changed for the '290, 'LS290, '293, and 'LS293.

Each of these monolithic counters contains four master-slave flip-flops and additional gating to provide a divide-by-two counter and a three-stage binary counter for which the count cycle length is divide-by-five for the '290 and 'LS290 and divide-by-eight for the '293 and 'LS293.

All of these counters have a gated zero reset and the '290 and 'LS290 also have gated set-to-nine inputs for use in BCD nine's complement applications.

Documents

Technical documentation and resources

Decade And 4-Bit Binary Counters datasheet

Data sheet