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1234567891011121314

SN54HC21J

Texas InstrumentsExtended

Part id
ti/SN54HC21J
Category
Logic Gates
Package
CDIP-14
Pins
14
In stock
0 at JLCPCB (C4472093)

Overview

The SN54HC21J is a logic Gate made by Texas Instruments in a CDIP-14 package with 14 pins.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS21N(XBLW), from EasyEDA) and its footprint (EasyEDA_Cloud:CDIP-14_L20.0-W6.8-P2.54-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C4472093).

Symbol

1A11B2NC31C41D51Y6GND72Y82A92B10NC112C122D13VCC14
EasyEDA_Cloud:SN74LS21N(XBLW)From EasyEDA

Footprint

1234567891011121314
EasyEDA_Cloud:CDIP-14_L20.0-W6.8-P2.54-LS7.8-BLFrom EasyEDA

Pinout

14
The pins of the SN54HC21J
PinNameType
11AUnspecified
21BUnspecified
3NCUnspecified
41CUnspecified
51DUnspecified
61YUnspecified
7GNDUnspecified
82YUnspecified
92AUnspecified
102BUnspecified
11NCUnspecified
122CUnspecified
132DUnspecified
14VCCUnspecified

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the SN54HC21J?

Yes. The symbol is EasyEDA_Cloud:SN74LS21N(XBLW) and the footprint EasyEDA_Cloud:CDIP-14_L20.0-W6.8-P2.54-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SN54HC21J?

CDIP-14, with 14 pins. Its footprint is drawn on this page.

Where is the SN54HC21J datasheet?

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

Where can I order the SN54HC21J?

JLCPCB lists it as part C4472093, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN54HC21J?

Parts like it in the library: the SN54LS08J by Texas Instruments, the CD4011BF3A by Texas Instruments, the CD54HCT32F by Texas Instruments and the SNJ5404J by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.