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CD74AC251MG4 on a board, in 3D

CD74AC251MG4

Texas Instruments

-55℃~+125℃ 1.5V~5.5V 24mA 24mA 6ns@5V,50pF 74AC 8uA Output enable high-impedance、Tri-state output SOIC-16 Signal Switches, Multiplexers, Decoders ROHS

Extended
DatasheetJLCPCBLCSCti/CD74AC251MG4
Category
Signal Switches, Multiplexers, Decoders
Package
SOIC-16
Pins
16

Overview

The CD74AC251MG4 is a signal Switches, Multiplexers, Decoder made by Texas Instruments in a SOIC-16 package with 16 pins. -55℃~+125℃ 1.5V~5.5V 24mA 24mA 6ns@5V,50pF 74AC 8uA Output enable high-impedance、Tri-state output SOIC-16 Signal Switches, Multiplexers, Decoders ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS251, from KiCad's library) and its footprint (Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1547434).

Symbol

I31I22I13I04Y5Y6OE7GND8S29S110S011I712I613I514I415VCC16
74xx:74LS251From KiCad's library

Footprint

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

Parameters

8
Current - Output High(IOH)
24mA
Current - Output Low(IOL)
24mA
Function
Output enable high-impedance, Tri-state output
Operating temperature
-55℃~+125℃
Propagation Delay
6ns@5V,50pF
Quiescent Current
8uA
Series
74AC
Voltage - Supply
1.5V~5.5V

Order codes

1

Pinout

16
The pins of the CD74AC251MG4
PinNameType
1I3Input
2I2Input
3I1Input
4I0Input
5YTri-state
6YTri-state
7OEInput
8GNDPower in
9S2Input
10S1Input
11S0Input
12I7Input
13I6Input
14I5Input
15I4Input
16VCCPower in

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Questions

Is there a KiCad symbol and footprint for the CD74AC251MG4?

Yes. The symbol is 74xx:74LS251 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 CD74AC251MG4?

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

Where is the CD74AC251MG4 datasheet?

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

Where can I order the CD74AC251MG4?

JLCPCB lists it as part C1547434, with 0 in stock; the sellers' links on this page open their listings.

What can replace the CD74AC251MG4?

Parts like it in the library: the 74HC4053M/TR by HGSEMI, the SN74HC138D by Texas Instruments, the 74HC138D by JSMSEMI and the MC74HC138AD by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

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8