Skip to the content
PCBKitNew board
CD74HC273M on a board, in 3D

CD74HC273M

Texas Instruments

-55℃~+125℃ 1 10pF 12ns 2V~6V 30ns@4.5V,50pF 35MHz 3ns 5.2mA 5.2mA 74HC Series 8 8uA Asynchronous D-Type Push-Pull Reset Rising Edge SOIC-20-300mil Flip Flops ROHS

Extended
DatasheetJLCPCBLCSCti/CD74HC273M
Category
Flip Flops
Package
SOIC-20-300mil
Pins
20

Overview

The CD74HC273M is a flip Flop made by Texas Instruments in a SOIC-20-300mil package with 20 pins. -55℃~+125℃ 1 10pF 12ns 2V~6V 30ns@4.5V,50pF 35MHz 3ns 5.2mA 5.2mA 74HC Series 8 8uA Asynchronous D-Type Push-Pull Reset Rising Edge SOIC-20-300mil Flip Flops ROHS.

PCBKit's library has its KiCad symbol (74xx:74HC273, from KiCad's library) and its footprint (Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1549848).

Symbol

Mr1Q02D03D14Q15Q26D27D38Q39GND10Cp11Q412D413D514Q515Q616D617D718Q719VCC20
74xx:74HC273From KiCad's library

Footprint

1234567891011121314151617181920
Package_SO:SOIC-20W_7.5x12.8mm_P1.27mmFrom KiCad's library

Parameters

18
Clock Frequency
35MHz
Current - Output High(IOH)
5.2mA
Current - Output Low(IOL)
5.2mA
Function
Reset
Hold Time
3ns
Input Capacitance
10pF
Number of Bits per Element
8
Number of Elements
1
Operating Temperature
-55℃~+125℃
Output Type
Push-Pull
Propagation Delay
30ns@4.5V,50pF
Quiescent Current
8uA
Series
74HC Series
Setup Time
12ns
Synchronous/Asynchronous
Asynchronous
Trigger Type
Rising Edge
Type
D-Type
Voltage - Supply
2V~6V

Order codes

1

Pinout

20
The pins of the CD74HC273M
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/CD74HC273M" title="CD74HC273M 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/CD74HC273M.jpg" alt="CD74HC273M" width="1200" height="900">
A picture that opens the part, for a README
[![CD74HC273M](https://pcbkit.io/embed/parts/ti/CD74HC273M.jpg?size=s)](https://pcbkit.io/parts/ti/CD74HC273M)

Questions

Is there a KiCad symbol and footprint for the CD74HC273M?

Yes. The symbol is 74xx:74HC273 and the footprint Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CD74HC273M?

SOIC-20-300mil, with 20 pins. Its footprint is drawn on this page.

Where is the CD74HC273M datasheet?

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

Where can I order the CD74HC273M?

JLCPCB lists it as part C1549848, with 0 in stock; the sellers' links on this page open their listings.

What can replace the CD74HC273M?

Parts like it in the library: the MC74HC574ADW by onsemi, the NLV74HC374ADW by onsemi, the CD74HC374M96E4 by Texas Instruments and the SN74ALS273DW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8