54LS191 - SYNCHRONOUS UP/DOWN COUNTERS

Texas Instruments

Download the 54LS191 datasheet PDF. This datasheet also covers the 54LS190 variant, as both devices belong to the same synchronous up/down counters family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

54LS191 synchronous up/down counters by Texas Instruments - Datasheet Preview — Note: The manufacturer provides a single datasheet file (54LS190-etcTI.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	54LS191
Manufacturer	Texas Instruments
File Size	1.14 MB
Description	SYNCHRONOUS UP/DOWN COUNTERS
Datasheet	54LS191 Datasheet

📁 Similar Datasheet

Part Number	Description	Manufacturer
54LS191	PRESETTABLE BCD/DECADE UP/DOWN COUNTERS	Motorola
54LS190	PRESETTABLE BCD/DECADE UP/DOWN COUNTERS	Motorola
54LS190	Synchronous 4-Bit Up/Down Counters	National Semiconductor
54LS192	PRESETTABLE BCD/DECADE UP/DOWN COUNTER	Motorola
54LS193	PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER	Motorola

Other Datasheets by Texas Instruments

Part Number	Description
54LS190	SYNCHRONOUS UP/DOWN COUNTERS
54LS109A	Dual J-K Positive-Edge-Triggered Flip-Flops
54LS122	RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
54LS123	RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
54LS125A	QUADRUPLE BUS BUFFERS

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text

SN54190, SN54191, SN54LS190, SN54LS191, SN74190, SN74191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 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.