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SN7420N

Texas Instruments

- Logic Gates

Extended
JLCPCBLCSCti/SN7420N
Category
Logic Gates
Pins
5

Overview

The SN7420N is a logic Gate made by Texas Instruments with 14 pins. - Logic Gates.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS21N(XBLW), from EasyEDA) and its footprint (EasyEDA_Cloud:PDIP-14_L19.3-W6.4-P2.54-LS7.9-BL-1, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C4468791).

Symbol

1A11B2NC31C41D51Y6GND72Y82A92B10NC112C122D13VCC14
EasyEDA_Cloud:SN74LS21N(XBLW)From EasyEDA

Footprint

1234567891011121314
EasyEDA_Cloud:PDIP-14_L19.3-W6.4-P2.54-LS7.9-BL-1From EasyEDA

Order codes

1

Pinout

14
The pins of the SN7420N
PinNameType
11AUnspecified
21BUnspecified
3NCUnspecified
41CUnspecified
51DUnspecified
61YUnspecified
7GNDUnspecified
82YUnspecified
92AUnspecified
102BUnspecified
11NCUnspecified
122CUnspecified
132DUnspecified
14VCCUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/SN7420N" title="SN7420N 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/SN7420N.jpg" alt="SN7420N" width="1200" height="900">
A picture that opens the part, for a README
[![SN7420N](https://pcbkit.io/embed/parts/ti/SN7420N.jpg?size=s)](https://pcbkit.io/parts/ti/SN7420N)

Questions

Is there a KiCad symbol and footprint for the SN7420N?

Yes. The symbol is EasyEDA_Cloud:SN74LS21N(XBLW) and the footprint EasyEDA_Cloud:PDIP-14_L19.3-W6.4-P2.54-LS7.9-BL-1, both drawn on this page. PCBKit places them on a board for you when you design with it.

Where can I order the SN7420N?

JLCPCB lists it as part C4468791, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN7420N?

Parts like it in the library: the SN54F00J by Texas Instruments, the SN7407NE4 by Texas Instruments, the SN7486N3 by Texas Instruments and the SN74H54N by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8