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74LS191, 74LS190 - PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

74LS191 Description

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS The SN54 / 74LS190 is a synchronous UP/ DOWN BCD Decade (8421) Count.
The LS190 is a synchronous Up / Down BCD Decade Counter and the LS191 is a synchronous Up / Down 4-Bit Binary Counter.

74LS191 Features

* ditions VCC = 5.0 V CL = 15 pF Test Conditions VCC = 5.0 V DEFINITIONS OF TERMS SETUP TIME (ts) is defined as the minimu

74LS191 Applications

* Low Power . . . 90 mW Typical Dissipation
* High Speed . . . 25 MHz Typical Count Frequency
* Synchronous Counting
* Asynchronous Parallel Load
* Individual Preset Inputs
* Count Enable and Up/ Down Control Inputs
* Cascadable
* Inpu

📥 Download Datasheet

This datasheet PDF includes multiple part numbers: 74LS191, 74LS190. Please refer to the document for exact specifications by model.
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Datasheet Details

Part number
74LS191, 74LS190
Manufacturer
Motorola
File Size
308.14 KB
Datasheet
74LS190_MotorolaInc.pdf
Description
PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
Note
This datasheet PDF includes multiple part numbers: 74LS191, 74LS190.
Please refer to the document for exact specifications by model.

📁 Related Datasheet

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📌 All Tags

PRESETTABLE 4-BIT BINARY DOWN COUNTERS Motorola
Motorola 74LS191-like datasheet