MM74HC257M
Texas InstrumentsExtended
-55℃~+125℃ 2V~6V 7.8mA 74HC 80uA 9ns@6V,50pF Output enable high-impedance、Tri-state output Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders
- Part id
- ti/MM74HC257M
- Category
- Signal Switches, Multiplexers, Decoders
- Package
- SOIC-16
- Pins
- 5
- In stock
- 0 at JLCPCB (C3234413)
Overview
The MM74HC257M is a signal Switches, Multiplexers, Decoder made by Texas Instruments in a SOIC-16 package with 16 pins. -55℃~+125℃ 2V~6V 7.8mA 74HC 80uA 9ns@6V,50pF Output enable high-impedance、Tri-state output Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders.
PCBKit's library has its KiCad symbol (74xx:74LS257, from KiCad's library) and its footprint (Package_SO:SO-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3234413).
Symbol
Footprint
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | S | Input |
| 2 | I0a | Input |
| 3 | I1a | Input |
| 4 | Za | Tri-state |
| 5 | I0b | Input |
| 6 | I1b | Input |
| 7 | Zb | Tri-state |
| 8 | GND | Power in |
| 9 | Zd | Tri-state |
| 10 | I1d | Input |
| 11 | I0d | Input |
| 12 | Zc | Tri-state |
| 13 | I1c | Input |
| 14 | I0c | Input |
| 15 | OE | Input |
| 16 | VCC | Power in |
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Questions
Is there a KiCad symbol and footprint for the MM74HC257M?
Yes. The symbol is 74xx:74LS257 and the footprint Package_SO:SO-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MM74HC257M?
SOIC-16, with 16 pins. Its footprint is drawn on this page.
Where is the MM74HC257M datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the MM74HC257M?
JLCPCB lists it as part C3234413, with 0 in stock; the sellers' links on this page open their listings.
What can replace the MM74HC257M?
Parts like it in the library: the 74HC138D by Nexperia, the EM74HC138D by EnergyMath, the CD4028BM(LX) by lingxingic and the CJ74HC157AEN by Jiangsu Changjing Electronics Technology (CJ). Check their datasheets: a part that fits the footprint may still differ in its ratings.