SN74HC42N
Texas InstrumentsExtended
-40℃~+85℃ 2V~6V 30ns@4.5V,50pF 5.2mA 5.2mA 74HC 8uA Decoder Single Supply DIP-16 Signal Switches, Multiplexers, Decoders ROHS
- Part id
- ti/SN74HC42N
- Category
- Signal Switches, Multiplexers, Decoders
- Package
- DIP-16
- Pins
- 16
- In stock
- 0 at JLCPCB (C134034)
Overview
The SN74HC42N is a signal Switches, Multiplexers, Decoder made by Texas Instruments in a DIP-16 package with 16 pins. -40℃~+85℃ 2V~6V 30ns@4.5V,50pF 5.2mA 5.2mA 74HC 8uA Decoder Single Supply DIP-16 Signal Switches, Multiplexers, Decoders ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS42, 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 C134034).
Symbol
Footprint
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | 0 | Output |
| 2 | 1 | Output |
| 3 | 2 | Output |
| 4 | 3 | Output |
| 5 | 4 | Output |
| 6 | 5 | Output |
| 7 | 6 | Output |
| 8 | GND | Power in |
| 9 | 7 | Output |
| 10 | 8 | Output |
| 11 | 9 | Output |
| 12 | A3 | Input |
| 13 | A2 | Input |
| 14 | A1 | Input |
| 15 | A0 | Input |
| 16 | VCC | Power in |
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8
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Questions
Is there a KiCad symbol and footprint for the SN74HC42N?
Yes. The symbol is 74xx:74LS42 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 SN74HC42N?
DIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the SN74HC42N datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74HC42N?
JLCPCB lists it as part C134034, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74HC42N?
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.