Skip to the content
PCBKitNew board
74F161ASCX on a board, in 3D

74F161ASCX

Texas Instruments

0℃~+70℃ 1 120MHz 4.5V~5.5V Asynchronous Divide-by-2 Rising Edge Synchronous Up Counter SOIC-16 Counters, Dividers ROHS

Extended
DatasheetJLCPCBLCSCti/74F161ASCX
Category
Counters, Dividers
Package
SOIC-16
Pins
5

Overview

The 74F161ASCX is a counters, Divider made by Texas Instruments in a SOIC-16 package with 16 pins. 0℃~+70℃ 1 120MHz 4.5V~5.5V Asynchronous Divide-by-2 Rising Edge Synchronous Up Counter SOIC-16 Counters, Dividers ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS161, from KiCad's library) and its footprint (Package_SO:SO-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3828440).

Symbol

MR1CP2D03D14D25D36CEP7GND8PE9CET10Q311Q212Q113Q014TC15VCC16
74xx:74LS161From KiCad's library

Footprint

12345678910111213141516
Package_SO:SO-16_3.9x9.9mm_P1.27mmFrom KiCad's library

Parameters

13
Count Rate
120MHz
Direction
Up Counter
Features
Reset function；Cascade counter；Synchronous counting
Logic Type
Divide-by-2
Number of Elements
1
Operating Temperature
0℃~+70℃
Propagation Delay
7.5ns@5V,50pF
Reset
Asynchronous
Resolution
4
Series
74F
Timing
Synchronous
Trigger Type
Rising Edge
Voltage - Supply
4.5V~5.5V

Order codes

1

Pinout

16
The pins of the 74F161ASCX
PinNameType
1MRInput
2CPInput
3D0Input
4D1Input
5D2Input
6D3Input
7CEPInput
8GNDPower in
9PEInput
10CETInput
11Q3Output
12Q2Output
13Q1Output
14Q0Output
15TCOutput
16VCCPower in

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/74F161ASCX" title="74F161ASCX in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/ti/74F161ASCX.jpg" alt="74F161ASCX" width="1200" height="900">
A picture that opens the part, for a README
[![74F161ASCX](https://pcbkit.io/embed/parts/ti/74F161ASCX.jpg?size=s)](https://pcbkit.io/parts/ti/74F161ASCX)

Questions

Is there a KiCad symbol and footprint for the 74F161ASCX?

Yes. The symbol is 74xx:74LS161 and the footprint Package_SO:SO-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 74F161ASCX?

SOIC-16, with 16 pins. Its footprint is drawn on this page.

Where is the 74F161ASCX datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the 74F161ASCX?

JLCPCB lists it as part C3828440, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 74F161ASCX?

Parts like it in the library: the 74HC4017D-Q100J by Nexperia, the CD4020AM/TR-HG by HGSEMI, the CD4022BM(LX) by lingxingic and the AIP74HC163SA16.TR by Wuxi I-core Elec. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8