CD74AC273E

Texas Instruments

-55℃~+125℃ 1 1.5V~5.5V 10pF 114MHz 12.3ns@5V,50pF 24mA 24mA 74AC Series 8 8uA D-Type Reset Rising Edge PDIP-20 Flip Flops ROHS

Extended

Datasheetti/CD74AC273E

Category: Flip Flops
Package: PDIP-20
Pins: 20

Overview

The CD74AC273E is a flip Flop made by Texas Instruments in a PDIP-20 package with 20 pins. -55℃~+125℃ 1 1.5V~5.5V 10pF 114MHz 12.3ns@5V,50pF 24mA 24mA 74AC Series 8 8uA D-Type Reset Rising Edge PDIP-20 Flip Flops ROHS.

PCBKit's library has its KiCad symbol (74xx:74HC273, from KiCad's library) and its footprint (Package_DIP:DIP-20_W7.62mm, from KiCad's library), ready for a KiCad board. 19 are in stock at JLCPCB (part C1550143).

Symbol

74xx:74HC273From KiCad's library

Footprint

Package_DIP:DIP-20_W7.62mmFrom KiCad's library

Parameters

Clock Frequency: 114MHz
Current - Output High(IOH): 24mA
Current - Output Low(IOL): 24mA
Function: Reset
Hold Time: 2ns
Input Capacitance: 10pF
Number of Bits per Element: 8
Number of Elements: 1
Operating Temperature: -55℃~+125℃
Propagation Delay: 12.3ns@5V,50pF
Quiescent Current: 8uA
Series: 74AC Series
Setup Time: 2ns
Synchronous/Asynchronous: Asynchronous
Trigger Type: Rising Edge
Type: D-Type
Voltage - Supply: 1.5V~5.5V

Order codes

CD74AC273ELCSC C1550143

Pinout

The pins of the CD74AC273E
Pin	Name	Type
1	Mr	Input
2	Q0	Output
3	D0	Input
4	D1	Input
5	Q1	Output
6	Q2	Output
7	D2	Input
8	D3	Input
9	Q3	Output
10	GND	Power in
11	Cp	Input
12	Q4	Output
13	D4	Input
14	D5	Input
15	Q5	Output
16	Q6	Output
17	D6	Input
18	D7	Input
19	Q7	Output
20	VCC	Power in

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Questions

Is there a KiCad symbol and footprint for the CD74AC273E?

Yes. The symbol is 74xx:74HC273 and the footprint Package_DIP:DIP-20_W7.62mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CD74AC273E?

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

Where is the CD74AC273E datasheet?

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

Where can I order the CD74AC273E?

JLCPCB lists it as part C1550143, with 19 in stock; the sellers' links on this page open their listings.

What can replace the CD74AC273E?

Parts like it in the library: the CD74ACT175M96 by Texas Instruments, the CD74ACT175E by Texas Instruments, the CD74ACT175M by Texas Instruments and the CD74ACT175EE4 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.