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SN74LS221NE4 on a board, in 3D

SN74LS221NE4

Texas Instruments

0℃~+70℃ 2 4.75V~5.5V 400uA 50ns 74LS 8mA Monostable Reset input、Adjustable pulse width、Dual edge triggering PDIP-16 Monostable Multivibrators ROHS

Extended
DatasheetJLCPCBLCSCti/SN74LS221NE4
Category
Monostable Multivibrators
Package
PDIP-16
Pins
16

Overview

The SN74LS221NE4 is a monostable Multivibrator made by Texas Instruments in a PDIP-16 package with 16 pins. 0℃~+70℃ 2 4.75V~5.5V 400uA 50ns 74LS 8mA Monostable Reset input、Adjustable pulse width、Dual edge triggering PDIP-16 Monostable Multivibrators ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS221, from KiCad's library) and its footprint (Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3231698).

Symbol

A1B2CLR3Q4Q13Cext14RCext15
74xx:74LS221From KiCad's library

Footprint

12345678910111213141516
Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPadsFrom KiCad's library

Parameters

8
Current - Output High(IOH)
8mA
Current - Output Low(IOL)
400uA
Logic Family
74LS
Logic Gate Type
Monostable
Number Of Channels
2
Operating Temperature
0℃~+70℃
Propagation Delay
50ns
Voltage - Supply
4.75V~5.5V

Order codes

1

Pinout

16
The pins of the SN74LS221NE4
PinNameType
1AInput
2BInput
3CLRInput
4QOutput
5QOutput
6CextInput
7RCextInput
8GNDPower in
9AInput
10BInput
11CLRInput
12QOutput
13QOutput
14CextInput
15RCextInput
16VCCPower in

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Questions

Is there a KiCad symbol and footprint for the SN74LS221NE4?

Yes. The symbol is 74xx:74LS221 and the footprint Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SN74LS221NE4?

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

Where is the SN74LS221NE4 datasheet?

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

Where can I order the SN74LS221NE4?

JLCPCB lists it as part C3231698, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74LS221NE4?

Parts like it in the library: the CD14538BE by Texas Instruments, the SN74HC123N(LX) by lingxingic, the SN74HC123N(XBLW) by XBLW and the CD74HC221E by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8