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74HC221D, in 3D

74HC221D

NXP Semiconductors

Dual Non-Retriggerable Monostable Multivibrator with Reset

nxp/74HC221D
Category
Uncategorised
Package
SOIC16
Pins
16

Overview

The 74HC221D is an uncategorised made by NXP Semiconductors in a SOIC16 package with 16 pins. Dual Non-Retriggerable Monostable Multivibrator with Reset.

PCBKit's library has its KiCad symbol (Standard Logic:74221_a, from CERN's library) and its footprint (Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board.

Symbol

A1B2R3CX14CX/RX15Q13Q4
Standard Logic:74221_aFrom CERN's library

Footprint

12345678910111213141516
Package_SO:SOIC-16_3.9x9.9mm_P1.27mmFrom KiCad's library

Pinout

16
The pins of the 74HC221D
PinNameType
1AInput
2BInput
3RInput
4QOutput
5QOutput
6CXPassive
7CX/RXPassive
8GNDPower in
9AInput
10BInput
11RInput
12QOutput
13QOutput
14CXPassive
15CX/RXPassive
16VCCPower in

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Questions

Is there a KiCad symbol and footprint for the 74HC221D?

Yes. The symbol is Standard Logic:74221_a and the footprint Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 74HC221D?

SOIC16, with 16 pins. Its footprint is drawn on this page.

What can replace the 74HC221D?

Parts like it in the library: the CD4017BM(LX) by lingxingic, the DAC0800LCMX-TUDI by Tudi, the TL494-SOP-16 by DDF and the SG3525AES by GREENMICRO. Check their datasheets: a part that fits the footprint may still differ in its ratings.

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