SN74HC191DT

$0.72

Description：IC BINARY COUNTER 4-BIT 16SOIC
Series：74HC
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:4f1c0050ae19 Category: Counters, Dividers Brand: Texas Instruments

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Product introduction

SN74HC191DT is listed in the Counter Dividers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC BINARY COUNTER 4-BIT 16SOIC. Review the specifications below when checking this part for your BOM.

Counter Dividers specifications for SN74HC191DT

Description：IC BINARY COUNTER 4-BIT 16SOIC
Series：74HC
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Logic Type：Binary Counter
Direction：Up, Down
Number of Elements：1
Number of Bits per Element：4
Reset：Asynchronous
Timing：Synchronous
Count Rate：24 MHz
Trigger Type：Positive Edge
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：16-SOIC (0.154", 3.90mm Width)
Supplier Device Package：16-SOIC
Voltage - Supply：2 V ~ 6 V
Grade：-
Qualification：-

Counter Dividers datasheet and documents for SN74HC191DT

SN74HC191DT

Counter Dividers Overview

The SN74HC191DT is a synchronous 4-bit up/down binary counter manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and supports bidirectional counting via an Up/Down control input. The device features asynchronous reset and preset capabilities, allowing for immediate initialization or loading of specific values. Designed for surface-mount applications, it utilizes a 16-SOIC package and functions reliably across an industrial temperature range from -40°C to +85°C.

Counter Dividers Feature Summary

Synchronous 4-bit binary counting with independent up/down direction control
Asynchronous reset and parallel load functionality for flexible state management
Wide operating voltage range supporting low-power system integration

Counter Dividers Applications

Digital timing and sequencing circuits
Frequency division and pulse generation systems
Position control in motor drive applications

Counter Dividers Procurement Notes

Verify the exact suffix against official manufacturer documentation to confirm package type and temperature grade. Ensure compatibility with existing board layouts regarding pinout and thermal requirements. Cross-reference datasheet specifications for electrical characteristics before finalizing component selection for production.

Counter Dividers Selection Notes

Select this component when a synchronous 4-bit counter with bidirectional capability is required. Consider the HC logic family for its balanced speed and power consumption. Verify that the 16-SOIC package fits the available PCB space and that the operating voltage aligns with the system's power rails.

Counter Dividers Part Context

This part belongs to the Texas Instruments SN74HC series of high-speed CMOS logic devices. The SN74HC191 specifically provides a 4-bit up/down counter solution. It is designed to replace older LS-TTL counterparts while offering improved power efficiency and wider voltage operation suitable for modern digital electronics.