
Overview
The 74ACT257SJ is a signal Switches, Multiplexers, Decoder made by onsemi in a SOIC-16-208mil package with 16 pins. -40℃~+85℃ 24mA 24mA 4.5V~5.5V Single Supply SOIC-16-208mil Signal Switches, Multiplexers, Decoders ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS257, from KiCad's library) and its footprint (EasyEDA_Cloud:SOIC-16_L10.2-W5.3-P1.27-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3234032).
Symbol
Footprint
Parameters
5- Current - Output High(IOH)
- 24mA
- Current - Output Low(IOL)
- 24mA
- Operating temperature
- -40℃~+85℃
- Voltage - Supply
- 4.5V~5.5V
- Voltage Supply Source
- Single Supply
Order codes
1- 74ACT257SJLCSC C3234032
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | S | Input |
| 2 | I0a | Input |
| 3 | I1a | Input |
| 4 | Za | Tri-state |
| 5 | I0b | Input |
| 6 | I1b | Input |
| 7 | Zb | Tri-state |
| 8 | GND | Power in |
| 9 | Zd | Tri-state |
| 10 | I1d | Input |
| 11 | I0d | Input |
| 12 | Zc | Tri-state |
| 13 | I1c | Input |
| 14 | I0c | Input |
| 15 | OE | Input |
| 16 | VCC | Power in |
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Is there a KiCad symbol and footprint for the 74ACT257SJ?
Yes. The symbol is 74xx:74LS257 and the footprint EasyEDA_Cloud:SOIC-16_L10.2-W5.3-P1.27-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 74ACT257SJ?
SOIC-16-208mil, with 16 pins. Its footprint is drawn on this page.
Where is the 74ACT257SJ datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the 74ACT257SJ?
JLCPCB lists it as part C3234032, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74ACT257SJ?
Parts like it in the library: the SN74AHC138NSR by Texas Instruments, the SN74LS145NSR by Texas Instruments, the SN74LS155ANS by Texas Instruments and the SN74ALS157ANS by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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