Skip to the content
PCBKitNew board
CD74HC299M on a board, in 3D

CD74HC299M

Texas Instruments

-55℃~+125℃ 0ns 20ns 2V~6V 40ns 4mA 4mA 74HC 8 8uA Tri-State SOIC-20-300mil Shift Registers ROHS

Extended
DatasheetJLCPCBLCSCti/CD74HC299M
Category
Latches
Package
SOIC-20-300mil
Pins
20

Overview

The CD74HC299M is a latche made by Texas Instruments in a SOIC-20-300mil package with 20 pins. -55℃~+125℃ 0ns 20ns 2V~6V 40ns 4mA 4mA 74HC 8 8uA Tri-State SOIC-20-300mil Shift Registers ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS299, 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 C1523447).

Symbol

S01OE12OE23IO64IO45IO26IO07Q08Mr9GND10Ds011Cp12IO113IO314IO515IO716Q717Ds718S119VCC20
74xx:74LS299From KiCad's library

Footprint

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

Parameters

11
Current - Output High(IOH)
4mA
Current - Output Low(IOL)
4mA
Hold Time
0ns
Number of Channels
8
Operating Temperature
-55℃~+125℃
Output Type
Tri-State
Propagation Delay
40ns
Quiescent Current (Iq)
8uA
Series
74HC
Setup Time
20ns
Voltage - Supply
2V~6V

Order codes

1

Pinout

20
The pins of the CD74HC299M
PinNameType
1S0Input
2OE1Input
3OE2Input
4IO6Tri-state
5IO4Tri-state
6IO2Tri-state
7IO0Tri-state
8Q0Output
9MrInput
10GNDPower in
11Ds0Input
12CpInput
13IO1Tri-state
14IO3Tri-state
15IO5Tri-state
16IO7Tri-state
17Q7Output
18Ds7Input
19S1Input
20VCCPower in

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/CD74HC299M" title="CD74HC299M 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/CD74HC299M.jpg" alt="CD74HC299M" width="1200" height="900">
A picture that opens the part, for a README
[![CD74HC299M](https://pcbkit.io/embed/parts/ti/CD74HC299M.jpg?size=s)](https://pcbkit.io/parts/ti/CD74HC299M)

Questions

Is there a KiCad symbol and footprint for the CD74HC299M?

Yes. The symbol is 74xx:74LS299 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 CD74HC299M?

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

Where is the CD74HC299M datasheet?

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

Where can I order the CD74HC299M?

JLCPCB lists it as part C1523447, with 0 in stock; the sellers' links on this page open their listings.

What can replace the CD74HC299M?

Parts like it in the library: the 74HC573D by Nexperia, the 74HC573D by MDD, the SN74HC573ADW by Texas Instruments and the SN74HC573D(LX) by lingxingic. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8