Skip to the content
PCBKitNew board
CD74AC273SM on a board, in 3D

CD74AC273SM

Texas Instruments

-55℃~+125℃ 1 1.5V~5.5V 100MHz 10pF 13.5ns@5V,50pF 24mA 24mA 74AC Series 8 8uA D-Type Reset SSOP-20 Flip Flops

Extended
DatasheetJLCPCBLCSCti/CD74AC273SM
Category
Flip Flops
Package
SSOP-20
Pins
5

Overview

The CD74AC273SM is a flip Flop made by Texas Instruments in a SSOP-20 package with 20 pins. -55℃~+125℃ 1 1.5V~5.5V 100MHz 10pF 13.5ns@5V,50pF 24mA 24mA 74AC Series 8 8uA D-Type Reset SSOP-20 Flip Flops.

PCBKit's library has its KiCad symbol (74xx:74HC273, from KiCad's library) and its footprint (Package_SO:SSOP-20_5.3x7.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3826458).

Symbol

Mr1Q02D03D14Q15Q26D27D38Q39GND10Cp11Q412D413D514Q515Q616D617D718Q719VCC20
74xx:74HC273From KiCad's library

Footprint

1234567891011121314151617181920
Package_SO:SSOP-20_5.3x7.2mm_P0.65mmFrom KiCad's library

Order codes

1

Pinout

20
The pins of the CD74AC273SM
PinNameType
1MrInput
2Q0Output
3D0Input
4D1Input
5Q1Output
6Q2Output
7D2Input
8D3Input
9Q3Output
10GNDPower in
11CpInput
12Q4Output
13D4Input
14D5Input
15Q5Output
16Q6Output
17D6Input
18D7Input
19Q7Output
20VCCPower in

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/CD74AC273SM" title="CD74AC273SM 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/CD74AC273SM.jpg" alt="CD74AC273SM" width="1200" height="900">
A picture that opens the part, for a README
[![CD74AC273SM](https://pcbkit.io/embed/parts/ti/CD74AC273SM.jpg?size=s)](https://pcbkit.io/parts/ti/CD74AC273SM)

Questions

Is there a KiCad symbol and footprint for the CD74AC273SM?

Yes. The symbol is 74xx:74HC273 and the footprint Package_SO:SSOP-20_5.3x7.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CD74AC273SM?

SSOP-20, with 20 pins. Its footprint is drawn on this page.

Where is the CD74AC273SM datasheet?

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

Where can I order the CD74AC273SM?

JLCPCB lists it as part C3826458, with 0 in stock; the sellers' links on this page open their listings.

What can replace the CD74AC273SM?

Parts like it in the library: the SN74AC574DB by Texas Instruments, the SN74AHC574DB by Texas Instruments, the SN74AHCT574DB by Texas Instruments and the SN74HCT574DB by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8