Skip to the content
12345678910111213141516

SN74LS251NE4

Texas InstrumentsExtended

0℃~+70℃ 10mA 2.6mA 4.75V~5.25V 45ns@5V,15pF 74LS 8mA Output enable high-impedance、Tri-state output Single Supply PDIP-16 Signal Switches, Multiplexers, Decoders ROHS

Part id
ti/SN74LS251NE4
Category
Signal Switches, Multiplexers, Decoders
Package
PDIP-16
Pins
5
In stock
0 at JLCPCB (C3208683)

Overview

The SN74LS251NE4 is a signal Switches, Multiplexers, Decoder made by Texas Instruments in a PDIP-16 package with 16 pins. 0℃~+70℃ 10mA 2.6mA 4.75V~5.25V 45ns@5V,15pF 74LS 8mA Output enable high-impedance、Tri-state output Single Supply PDIP-16 Signal Switches, Multiplexers, Decoders ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS251, 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 C3208683).

Symbol

I31I22I13I04Y5Y6OE7GND8S29S110S011I712I613I514I415VCC16
74xx:74LS251From KiCad's library

Footprint

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

Pinout

16
The pins of the SN74LS251NE4
PinNameType
1I3Input
2I2Input
3I1Input
4I0Input
5YTri-state
6YTri-state
7OEInput
8GNDPower in
9S2Input
10S1Input
11S0Input
12I7Input
13I6Input
14I5Input
15I4Input
16VCCPower in

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the SN74LS251NE4?

Yes. The symbol is 74xx:74LS251 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 SN74LS251NE4?

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

Where is the SN74LS251NE4 datasheet?

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

Where can I order the SN74LS251NE4?

JLCPCB lists it as part C3208683, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74LS251NE4?

Parts like it in the library: the SN74HC138NED-GMIC by GREENMICRO, the 74HC138N by HGSEMI, the 74HC139N by HGSEMI and the 74HC238N by HGSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.