CD74AC251E
Texas InstrumentsExtended
-55℃~+125℃ 1.5V~5.5V 24mA 24mA Single Supply Tri-state output、Break-before-make function PDIP-16 Signal Switches, Multiplexers, Decoders
- Part id
- ti/CD74AC251E
- Category
- Signal Switches, Multiplexers, Decoders
- Package
- PDIP-16
- Pins
- 5
- In stock
- 0 at JLCPCB (C3231541)
Overview
The CD74AC251E is a signal Switches, Multiplexers, Decoder made by Texas Instruments in a PDIP-16 package with 16 pins. -55℃~+125℃ 1.5V~5.5V 24mA 24mA Single Supply Tri-state output、Break-before-make function PDIP-16 Signal Switches, Multiplexers, Decoders.
PCBKit's library has its KiCad symbol (74xx:74LS251, 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 C3231541).
Symbol
Footprint
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | I3 | Input |
| 2 | I2 | Input |
| 3 | I1 | Input |
| 4 | I0 | Input |
| 5 | Y | Tri-state |
| 6 | Y | Tri-state |
| 7 | OE | Input |
| 8 | GND | Power in |
| 9 | S2 | Input |
| 10 | S1 | Input |
| 11 | S0 | Input |
| 12 | I7 | Input |
| 13 | I6 | Input |
| 14 | I5 | Input |
| 15 | I4 | Input |
| 16 | VCC | Power in |
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8
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Questions
Is there a KiCad symbol and footprint for the CD74AC251E?
Yes. The symbol is 74xx:74LS251 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 CD74AC251E?
PDIP-16, with 16 pins. Its footprint is drawn on this page.
Where can I order the CD74AC251E?
JLCPCB lists it as part C3231541, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD74AC251E?
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.