Overview
The 74FST3125D is a buffers, Drivers, Receivers, Transceiver made by onsemi in a SOIC-14 package with 14 pins. -40℃~+85℃ 0.25ns@50pF 1 1 3uA 4V~5.5V 74FST Output enable TTL Compatible CMOS Tri-State SOIC-14 Buffers, Drivers, Receivers, Transceivers.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:74FST3125D, from EasyEDA) and its footprint (Package_SO:SO-14_3.9x8.65mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3756641).
Symbol
Footprint
Order codes
1- 74FST3125DLCSC C3756641
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | OE1# | Unspecified |
| 2 | 1A | Unspecified |
| 3 | 1B | Unspecified |
| 4 | OE2# | Unspecified |
| 5 | 2A | Unspecified |
| 6 | 2B | Unspecified |
| 7 | GND | Unspecified |
| 8 | 3B | Unspecified |
| 9 | 3A | Unspecified |
| 10 | OE3# | Unspecified |
| 11 | 4B | Unspecified |
| 12 | 4A | Unspecified |
| 13 | OE4# | Unspecified |
| 14 | VCC | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/onsemi/74FST3125D" title="74FST3125D in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/74FST3125D.jpg" alt="74FST3125D" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/74FST3125D)Questions
Is there a KiCad symbol and footprint for the 74FST3125D?
Yes. The symbol is EasyEDA_Cloud:74FST3125D and the footprint Package_SO:SO-14_3.9x8.65mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 74FST3125D?
SOIC-14, with 14 pins. Its footprint is drawn on this page.
Where is the 74FST3125D datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the 74FST3125D?
JLCPCB lists it as part C3756641, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74FST3125D?
Parts like it in the library: the CD74HC243M96 by Texas Instruments, the MC74VHCT50AD by onsemi, the TC74HCT7007AF-ELF by Toshiba and the CD4041UBM96 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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