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SN74AS253AD on a board, in 3D

SN74AS253AD

Texas Instruments

0℃~+70℃ 2.6mA 24mA 4.5V~5.5V Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders ROHS

Extended
DatasheetJLCPCBLCSCti/SN74AS253AD
Category
Signal Switches, Multiplexers, Decoders
Package
SOIC-16
Pins
16

Overview

The SN74AS253AD is a signal Switches, Multiplexers, Decoder made by Texas Instruments in a SOIC-16 package with 16 pins. 0℃~+70℃ 2.6mA 24mA 4.5V~5.5V Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS253, 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 C1547178).

Symbol

OEa1A12I3a3I2a4I1a5I0a6Za7GND8Zb9I0b10I1b11I2b12I3b13A014OEb15VCC16
74xx:74LS253From KiCad's library

Footprint

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

Parameters

10
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
13.5ns@5V,50pF
Quiescent Current
21mA
Series
74AS
Type
Multiplexers
Voltage - Supply
4.5V~5.5V
Voltage Supply Source
Single Supply

Order codes

1

Pinout

16
The pins of the SN74AS253AD
PinNameType
1OEaInput
2A1Input
3I3aInput
4I2aInput
5I1aInput
6I0aInput
7ZaTri-state
8GNDPower in
9ZbTri-state
10I0bInput
11I1bInput
12I2bInput
13I3bInput
14A0Input
15OEbInput
16VCCPower in

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Questions

Is there a KiCad symbol and footprint for the SN74AS253AD?

Yes. The symbol is 74xx:74LS253 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 SN74AS253AD?

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

Where is the SN74AS253AD datasheet?

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

Where can I order the SN74AS253AD?

JLCPCB lists it as part C1547178, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74AS253AD?

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.

Parts like it

8