Overview
The SN74LS293N is a counters, Divider made by Texas Instruments in a PDIP-14 package with 14 pins. 0℃~+70℃ 1 4.75V~5.25V Divide-by-2 Rising Edge Synchronous PDIP-14 Counters, Dividers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS293D, from EasyEDA) and its footprint (Package_DIP:DIP-14_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. 20 are in stock at JLCPCB (part C1523329).
Symbol
Footprint
Parameters
14- Count Rate
- 42MHz
- Direction
- 向上计数器
- Features
- Reset function
- Logic Type
- Divide-by-2
- Number of Bits per Element
- 4
- Number of Elements
- 1
- Operating Temperature
- 0℃~+70℃
- Power Dissipation
- 78.75mW
- Reset
- Synchronous
- Reset Style
- Synchronous
- Resolution
- 4
- Series
- 74LS
- Trigger Type
- Rising Edge
- Voltage - Supply
- 4.75V~5.25V
Order codes
1- SN74LS293NLCSC C1523329
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | NC | Unspecified |
| 2 | NC | Unspecified |
| 3 | NC | Unspecified |
| 4 | QC | Unspecified |
| 5 | QB | Unspecified |
| 6 | NC | Unspecified |
| 7 | GND | Unspecified |
| 8 | QD | Unspecified |
| 9 | QA | Unspecified |
| 10 | CKA | Unspecified |
| 11 | CKB | Unspecified |
| 12 | R0(1) | Unspecified |
| 13 | R0(2) | Unspecified |
| 14 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the SN74LS293N?
Yes. The symbol is EasyEDA_Cloud:SN74LS293D and the footprint Package_DIP:DIP-14_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 SN74LS293N?
PDIP-14, with 14 pins. Its footprint is drawn on this page.
Where is the SN74LS293N datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS293N?
JLCPCB lists it as part C1523329, with 20 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS293N?
Parts like it in the library: the MC74HC393N by onsemi, the MM74C93N by onsemi, the CD4024BE by Texas Instruments and the CD4024BEE4 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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