

Overview
The 74ACT157PC is a signal Switches, Multiplexers, Decoder made by onsemi in a PDIP-16 package with 16 pins. -40℃~+85℃ 24mA 24mA 4.5V~5.5V 4uA 5.5ns@5V,50pF 74ACT 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 C3231650). 7 open-source boards in 3 repositories on GitHub use it.
Symbol
Footprint
Parameters
8- Current - Output High(IOH)
- 24mA
- Current - Output Low(IOL)
- 24mA
- Operating temperature
- -40℃~+85℃
- Propagation Delay
- 5.5ns@5V,50pF
- Quiescent Current
- 4uA
- Series
- 74ACT
- Voltage - Supply
- 4.5V~5.5V
- Voltage Supply Source
- Single Supply
Order codes
1- 74ACT157PCLCSC C3231650
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 |
Open-source boards using it
All 7- 2 layers65.5 × 58.4 mm

- 2 layers160 × 100 mm

- 2 layers25.4 × 68.6 mm

- 4 layers30.5 × 88.9 mm

- 2 layers

- 4 layers100 × 160 mm

- 4 layers100 × 160 mm

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Is there a KiCad symbol and footprint for the 74ACT157PC?
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 74ACT157PC?
PDIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the 74ACT157PC datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the 74ACT157PC?
JLCPCB lists it as part C3231650, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74ACT157PC?
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.
Which open-source boards use the 74ACT157PC?
7 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
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