SN74F161ANSR

$0.65

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

SKU:d63ea4ca0860 Category: Counters, Dividers Brand: Texas Instruments

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Product introduction

SN74F161ANSR is listed in the Counter Dividers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC BINARY COUNTER 4-BIT 16SO. Review the specifications below when checking this part for your BOM.

Counter Dividers specifications for SN74F161ANSR

Description：IC BINARY COUNTER 4-BIT 16SO
Series：74F
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Logic Type：Binary Counter
Direction：Up
Number of Elements：1
Number of Bits per Element：4
Reset：Asynchronous
Timing：Synchronous
Count Rate：100 MHz
Trigger Type：Positive Edge
Operating Temperature：0°C ~ 70°C
Mounting Type：Surface Mount
Package / Case：16-SOIC (0.209", 5.30mm Width)
Supplier Device Package：16-SO
Voltage - Supply：4.5 V ~ 5.5 V
Grade：-
Qualification：-

Counter Dividers datasheet and documents for SN74F161ANSR

SN74F161ANSR

Counter Dividers Overview

The SN74F161ANSR is a synchronous 4-bit binary counter from the Texas Instruments SN74F161A series. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range of 0°C to +70°C. The device features a count rate of 100 MHz and utilizes positive-edge triggering for its flip-flops. It is housed in a 16-SOIC package with a width of 3.90 mm (0.154 inches). The component includes asynchronous reset functionality and is available in reel, cut tape, and MouseReel packaging formats.

Counter Dividers Feature Summary

Synchronous 4-bit binary counting capability with up-counting direction
High-speed operation supporting a 100 MHz count rate
Asynchronous reset mechanism for immediate state clearing
Positive-edge triggered flip-flop architecture

Counter Dividers Applications

Digital frequency division circuits
Sequential timing control systems
Binary data accumulation and tracking

Counter Dividers Procurement Notes

Verify the specific suffix 'SR' confirms the SOIC-16 surface mount package and tape/reel shipping configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure design compatibility with the specified 4.5 V to 5.5 V power supply requirements and industrial temperature limits.

Counter Dividers Selection Notes

Select this component when high-speed synchronous counting is required in a surface-mount format. The F-series logic family offers faster propagation delays compared to LS or HC variants. Verify that the 16-SOIC footprint matches the PCB layout constraints and that the 100 MHz performance meets the system clock requirements.

Counter Dividers Part Context

This part belongs to the standard 74F logic family, known for high-speed performance using bipolar transistor technology. The SN74F161A variant specifically provides synchronous preset and clear functions. It serves as a direct replacement for legacy through-hole DIP versions in modern surface-mount designs requiring similar logical functionality.