SN74HC251DB
Texas InstrumentsExtended
-40℃~+85℃ 21ns@4.5V,50pF 2V~6V 7.8mA 7.8mA 74HC 8/1 80uA Multiplexer Reverse function、Tri-state output Single Supply SSOP-16-208mil Signal Switches, Multiplexers, Decoders ROHS
- Part id
- ti/SN74HC251DB
- Category
- Signal Switches, Multiplexers, Decoders
- Package
- SSOP-16-208mil
- Pins
- 16
- In stock
- 59 at JLCPCB (C2877520)
Overview
The SN74HC251DB is a signal Switches, Multiplexers, Decoder made by Texas Instruments in a SSOP-16-208mil package with 16 pins. -40℃~+85℃ 21ns@4.5V,50pF 2V~6V 7.8mA 7.8mA 74HC 8/1 80uA Multiplexer Reverse function、Tri-state output Single Supply SSOP-16-208mil Signal Switches, Multiplexers, Decoders ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS251, from KiCad's library) and its footprint (Package_SO:SSOP-16_5.3x6.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. 59 are in stock at JLCPCB (part C2877520).
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 SN74HC251DB?
Yes. The symbol is 74xx:74LS251 and the footprint Package_SO:SSOP-16_5.3x6.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74HC251DB?
SSOP-16-208mil, with 16 pins. Its footprint is drawn on this page.
Where is the SN74HC251DB datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74HC251DB?
JLCPCB lists it as part C2877520, with 59 in stock; the sellers' links on this page open their listings.
What can replace the SN74HC251DB?
Parts like it in the library: the SN74LV157ADB by Texas Instruments, the AS5040-ASST by Advanced Monolithic Systems, the SN74AHC139DB by Texas Instruments and the SN74AHCT139DB by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.