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Logic / Counters / SN74LS293DR
Datasheets
SN74LS293DR by:
Texas Instruments
Freescale Semiconductor
Motorola Mobility LLC
Motorola Semiconductor Products
onsemi
Rochester Electronics LLC
Texas Instruments
Not Found

LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, PDSO14

Part Details for SN74LS293DR by Texas Instruments

Results Overview of SN74LS293DR by Texas Instruments

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Education and Research Space Technology Aerospace and Defense Automotive

SN74LS293DR Information

SN74LS293DR by Texas Instruments is a Counter.
Counters are under the broader part category of Logic Components.

Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.

Price & Stock for SN74LS293DR

Part # Distributor Description Stock Price Buy
Rochester Electronics Binary Counter, LS Series, Asynchronous, Negative Edge Triggered, 3-Bit, Up Direction, TTL, PDSO14 RoHS: Compliant Status: Obsolete Min Qty: 1 2100
  • 1 $1.6700
  • 25 $1.6400
  • 100 $1.5700
  • 500 $1.5000
  • 1,000 $1.4200
$1.4200 / $1.6700 Buy Now
Vyrian Logic ICs 1892
RFQ

Part Details for SN74LS293DR

SN74LS293DR CAD Models

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SN74LS293DR Part Data Attributes

Parametric Data
SN74LS293DR Texas Instruments
Buy Now Datasheet
Compare Parts:
SN74LS293DR Texas Instruments LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, PDSO14
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC
Reach Compliance Code compliant
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Additional Feature DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS
Count Direction UP
Family LS
JESD-30 Code R-PDSO-G14
Length 8.65 mm
Load/Preset Input NO
Logic IC Type BINARY COUNTER
Mode of Operation ASYNCHRONOUS
Number of Bits 3
Number of Functions 2
Number of Terminals 14
Operating Temperature-Max 70 °C
Operating Temperature-Min
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP14,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR
Peak Reflow Temperature (Cel) NOT SPECIFIED
Power Supply Current-Max (ICC) 15 mA
Propagation Delay (tpd) 51 ns
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Supply Voltage-Max (Vsup) 5.25 V
Supply Voltage-Min (Vsup) 4.75 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology TTL
Temperature Grade COMMERCIAL
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Trigger Type NEGATIVE EDGE
Width 3.9 mm
fmax-Min 16 MHz

Alternate Parts for SN74LS293DR

This table gives cross-reference parts and alternative options found for SN74LS293DR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN74LS293DR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
SN74LS293D Rochester Electronics LLC Check for Price Binary Counter, LS Series, Asynchronous, Negative Edge Triggered, 3-Bit, Up Direction, TTL, PDSO14, SOIC-14 SN74LS293DR vs SN74LS293D
DM74LS293MX Texas Instruments Check for Price LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, PDSO14, 0.150 INCH, PLASTIC, SOP-14 SN74LS293DR vs DM74LS293MX
HD74LS293RP Renesas Electronics Corporation Check for Price LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, PDSO14, FP-14DN SN74LS293DR vs HD74LS293RP
SN74LS293DE4 Texas Instruments Check for Price LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, PDSO14 SN74LS293DR vs SN74LS293DE4
DM74LS293M Texas Instruments Check for Price LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, PDSO14, PLASTIC, SOP-14 SN74LS293DR vs DM74LS293M
SN74LS293D Texas Instruments $1.4723 4-Bit Binary Counters 14-SOIC 0 to 70 SN74LS293DR vs SN74LS293D
Part Number Manufacturer Composite Price Description Compare
DM74LS293N National Semiconductor Corporation Check for Price Binary Counter, LS Series, Asynchronous, Negative Edge Triggered, 3-Bit, Up Direction, TTL, PDIP14 SN74LS293DR vs DM74LS293N
SNJ54LS293J-00 Texas Instruments Check for Price LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, CDIP14, CERAMIC, DIP-14 SN74LS293DR vs SNJ54LS293J-00
SNJ54LS293W-00 Texas Instruments Check for Price LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, CDFP14 SN74LS293DR vs SNJ54LS293W-00
SNJ54LS293W Texas Instruments Check for Price LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, CDFP14 SN74LS293DR vs SNJ54LS293W
SN74LS293JS Motorola Mobility LLC Check for Price LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, CDIP14, CERAMIC, DIP-14 SN74LS293DR vs SN74LS293JS
T74LS293B1 STMicroelectronics Check for Price LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, PDIP14, PLASTIC, DIP-14 SN74LS293DR vs T74LS293B1
SN54LS293J onsemi Check for Price LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, CDIP14, CERAMIC, DIP-14 SN74LS293DR vs SN54LS293J
SN54LS293FK Rochester Electronics LLC Check for Price Binary Counter, LS Series, Asynchronous, Negative Edge Triggered, 3-Bit, Up Direction, TTL, CQCC20, SN74LS293DR vs SN54LS293FK
SNC54LS293W Rochester Electronics LLC Check for Price Decade Counter, SN74LS293DR vs SNC54LS293W
74LS293A Philips Semiconductors Check for Price LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, PDIP14 SN74LS293DR vs 74LS293A

SN74LS293DR Related Parts

SN74LS293DR Frequently Asked Questions (FAQ)

  • The maximum clock frequency of the SN74LS293DR is 30 MHz, but it can vary depending on the operating voltage and load capacitance. It's recommended to check the timing characteristics in the datasheet for specific frequency limits.

  • Yes, the SN74LS293DR can be used as a binary counter. It has a built-in binary counter that can count up to 2^4 (16) states. You can use the clock input (CP) to increment the counter and the reset input (MR) to clear the counter.

  • To reset the counter to zero, you need to assert the reset input (MR) low. This will clear the counter and set it to zero. You can also use the reset input to preset the counter to a specific value by applying the desired value to the inputs (A, B, C, and D) while asserting the reset input low.

  • The power consumption of the SN74LS293DR depends on the operating frequency, voltage, and load conditions. According to the datasheet, the typical power consumption is around 15 mW at 5V and 10 MHz clock frequency. However, it's recommended to check the power consumption calculation in the datasheet for specific operating conditions.

  • Yes, the SN74LS293DR can operate with a 3.3V power supply. However, the maximum clock frequency may be limited to 20 MHz at 3.3V. You should check the datasheet for specific operating conditions and timing characteristics at 3.3V.