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DM74ALS257M on a board, in 3D

DM74ALS257M

onsemi

0℃~+70℃ 12ns@5V,50pF 2.6mA 24mA 4.5V~5.5V 74ALS 9mA Output enable high-impedance、Tri-state output Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders ROHS

Extended
DatasheetJLCPCBLCSConsemi/DM74ALS257M
Category
Signal Switches, Multiplexers, Decoders
Package
SOIC-16
Pins
5

Overview

The DM74ALS257M is a signal Switches, Multiplexers, Decoder made by onsemi in a SOIC-16 package with 16 pins. 0℃~+70℃ 12ns@5V,50pF 2.6mA 24mA 4.5V~5.5V 74ALS 9mA Output enable high-impedance、Tri-state output Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS257, from KiCad's library) and its footprint (Package_SO:SO-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3234315).

Symbol

S1I0a2I1a3Za4I0b5I1b6Zb7GND8Zd9I1d10I0d11Zc12I1c13I0c14OE15VCC16
74xx:74LS257From KiCad's library

Footprint

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

Parameters

9
Current - Output High(IOH)
2.6mA
Current - Output Low(IOL)
24mA
Function
Output enable high-impedance；Tri-state output
Operating temperature
0℃~+70℃
Propagation Delay
12ns@5V,50pF
Quiescent Current
9mA
Series
74ALS
Voltage - Supply
4.5V~5.5V
Voltage Supply Source
Single Supply

Order codes

1

Pinout

16
The pins of the DM74ALS257M
PinNameType
1SInput
2I0aInput
3I1aInput
4ZaTri-state
5I0bInput
6I1bInput
7ZbTri-state
8GNDPower in
9ZdTri-state
10I1dInput
11I0dInput
12ZcTri-state
13I1cInput
14I0cInput
15OEInput
16VCCPower in

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Questions

Is there a KiCad symbol and footprint for the DM74ALS257M?

Yes. The symbol is 74xx:74LS257 and the footprint Package_SO:SO-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 DM74ALS257M?

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

Where is the DM74ALS257M datasheet?

onsemi publishes it: the Datasheet link on this page opens it.

Where can I order the DM74ALS257M?

JLCPCB lists it as part C3234315, with 0 in stock; the sellers' links on this page open their listings.

What can replace the DM74ALS257M?

Parts like it in the library: the 74HC138D by Nexperia, the EM74HC138D by EnergyMath, the CD4028BM(LX) by lingxingic and the CJ74HC157AEN by Jiangsu Changjing Electronics Technology (CJ). Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8