Integrated Circuits (ICs) > Logic ICs > Counters > SN74LS191DR

SN74LS191DR

Texas Instruments

Part Number:	SN74LS191DR
Manufacturer:	Texas Instruments
Part Type:	Integrated Circuits (ICs) > Logic ICs > Counters > SN74LS191DR
Qty Available:
Description:	Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control 16-SOIC 0 to 70

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04/23/2026 – There are 515 pieces pieces of Part Number SN74LS191DR Available.

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Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control 16-SOIC 0 to 70

Specifications

TYPE	DESCRIPTION
Case/Package	SOIC
Mount	Surface Mount
Number of Pins	16
Weight	141.690917 mg
Clock Edge Trigger Type	Positive Edge
Direction	Bidirectional
Frequency	25 MHz
Logic Function	Counter
Max Operating Temperature	70 °C
Max Supply Voltage	5.25 V
Min Operating Temperature	0 °C
Min Supply Voltage	4.75 V
Number of Bits	4
Number of Bits per Element	4
Number of Elements	1
Operating Supply Voltage	5 V
Packaging	Tape & Reel
Propagation Delay	52 ns
Sync/Async	Synchronous
Turn-On Delay Time	52 ns
Height	1.75 mm
Length	9.9 mm
Thickness	1.58 mm
Width	3.91 mm

Images

Documentation for Texas Instruments SN74LS191DR

Technical Drawing	View & Download SN74LS191DR Technical Drawing
Datasheet	View & Download SN74LS191DR Datasheet
Datasheet	View & Download SN74LS191DR Datasheet
Datasheet	View & Download SN74LS191DR Datasheet
Datasheet	View & Download SN74LS191DR Datasheet

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