SN74AS157N
Texas InstrumentsExtended
0℃~+70℃ 10.5ns@5.5V,50pF 28mA 2mA 4.5V~5.5V 74AS 8mA Reverse function Single Supply PDIP-16 Signal Switches, Multiplexers, Decoders ROHS
- Part id
- ti/SN74AS157N
- Category
- Signal Switches, Multiplexers, Decoders
- Package
- PDIP-16
- Pins
- 5
- In stock
- 0 at JLCPCB (C3231588)
Overview
The SN74AS157N is a signal Switches, Multiplexers, Decoder made by Texas Instruments in a PDIP-16 package with 16 pins. 0℃~+70℃ 10.5ns@5.5V,50pF 28mA 2mA 4.5V~5.5V 74AS 8mA Reverse function Single Supply PDIP-16 Signal Switches, Multiplexers, Decoders ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS157, 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 C3231588).
Symbol
Footprint
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | S | Input |
| 2 | I0a | Input |
| 3 | I1a | Input |
| 4 | Za | Output |
| 5 | I0b | Input |
| 6 | I1b | Input |
| 7 | Zb | Output |
| 8 | GND | Power in |
| 9 | Zc | Output |
| 10 | I1c | Input |
| 11 | I0c | Input |
| 12 | Zd | Output |
| 13 | I1d | Input |
| 14 | I0d | Input |
| 15 | E | Input |
| 16 | VCC | Power in |
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8
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Questions
Is there a KiCad symbol and footprint for the SN74AS157N?
Yes. The symbol is 74xx:74LS157 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 SN74AS157N?
PDIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the SN74AS157N datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74AS157N?
JLCPCB lists it as part C3231588, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74AS157N?
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.