Skip to the content
PCBKitNew board
74HC221DB112 on a board, in 3D

74HC221DB112

NXP Semiconductors

SSOP-16 Monostable Multivibrators

Extended
JLCPCBLCSCnxp/74HC221DB112
Category
Monostable Multivibrators
Package
SSOP-16
Pins
16

Overview

The 74HC221DB112 is a monostable Multivibrator made by NXP Semiconductors in a SSOP-16 package with 16 pins. SSOP-16 Monostable Multivibrators.

PCBKit's library has its KiCad symbol (74xx:74LS221, from KiCad's library) and its footprint (Package_SO:SSOP-16_5.3x6.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C7194079).

Symbol

A1B2CLR3Q4Q13Cext14RCext15
74xx:74LS221From KiCad's library

Footprint

12345678910111213141516
Package_SO:SSOP-16_5.3x6.2mm_P0.65mmFrom KiCad's library

Order codes

1

Pinout

16
The pins of the 74HC221DB112
PinNameType
1AInput
2BInput
3CLRInput
4QOutput
5QOutput
6CextInput
7RCextInput
8GNDPower in
9AInput
10BInput
11CLRInput
12QOutput
13QOutput
14CextInput
15RCextInput
16VCCPower in

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/nxp/74HC221DB112" title="74HC221DB112 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/nxp/74HC221DB112.jpg" alt="74HC221DB112" width="1200" height="900">
A picture that opens the part, for a README
[![74HC221DB112](https://pcbkit.io/embed/parts/nxp/74HC221DB112.jpg?size=s)](https://pcbkit.io/parts/nxp/74HC221DB112)

Questions

Is there a KiCad symbol and footprint for the 74HC221DB112?

Yes. The symbol is 74xx:74LS221 and the footprint Package_SO:SSOP-16_5.3x6.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 74HC221DB112?

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

Where can I order the 74HC221DB112?

JLCPCB lists it as part C7194079, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 74HC221DB112?

Parts like it in the library: the 74LV123DB by Nexperia, the SN74LS123DB by Texas Instruments, the SN74LV123ADBR by Texas Instruments and the 74HCT123DB118 by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8