Overview
The 74LS256PC is a latche made by Texas Instruments in a DIP-16 package with 16 pins. 0ns 0℃~+70℃ 15ns 2 27ns 4.75V~5.25V 74LS Addressable Latch DIP-16 Latches.
PCBKit's library has its KiCad symbol (74xx:74LS256, 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 C4989436).
Symbol
Footprint
Order codes
1- 74LS256PCLCSC C4989436
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | A0 | Input |
| 2 | A1 | Input |
| 3 | Da | Input |
| 4 | Q_{0a} | Output |
| 5 | Q_{1a} | Output |
| 6 | Q_{2a} | Output |
| 7 | Q_{3a} | Output |
| 8 | GND | Power in |
| 9 | Q_{0b} | Output |
| 10 | Q_{1b} | Output |
| 11 | Q_{2b} | Output |
| 12 | Q_{3b} | Output |
| 13 | Db | Input |
| 14 | E | Input |
| 15 | CL | Input |
| 16 | VCC | Power in |
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Is there a KiCad symbol and footprint for the 74LS256PC?
Yes. The symbol is 74xx:74LS256 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 74LS256PC?
DIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the 74LS256PC datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the 74LS256PC?
JLCPCB lists it as part C4989436, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74LS256PC?
Parts like it in the library: the SN74LS259N(XBLW) by XBLW, the SN74LS279AN(LX) by lingxingic, the CD4043BE(LX) by lingxingic and the SN74HC279AN(LX) by lingxingic. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
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