Overview
The SN74ALS243ANS is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a SO-14 package with 14 pins. 0℃~+70℃ 1 15mA 24mA 4 4.5V~5.5V 4ns@5V,50pF 74ALS Bidirectional Tri-State SO-14 Buffers, Drivers, Receivers, Transceivers ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS243, from KiCad's library) and its footprint (Package_SO:SO-14_3.9x8.65mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3753983).
Symbol
Footprint
Parameters
10- Channel Type
- Bidirectional
- Current - Output High(IOH)
- 15mA
- Current - Output Low(IOL)
- 24mA
- Logic Family
- 74ALS
- Number of Bits per Element
- 4
- Number of Elements
- 1
- Operating Temperature
- 0℃~+70℃
- Propagation Delay
- 4ns@5V,50pF
- Voltage - Supply
- 4.5V~5.5V
- output type
- Tri-State
Order codes
1- SN74ALS243ANSLCSC C3753983
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | OEa | Input |
| 2 | NC | Not connected |
| 3 | A0 | Input |
| 4 | A1 | Input |
| 5 | A2 | Input |
| 6 | A3 | Input |
| 7 | GND | Power in |
| 8 | B3 | Tri-state |
| 9 | B2 | Tri-state |
| 10 | B1 | Tri-state |
| 11 | B0 | Tri-state |
| 12 | NC | Not connected |
| 13 | OEb | Input |
| 14 | VCC | Power in |
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Is there a KiCad symbol and footprint for the SN74ALS243ANS?
Yes. The symbol is 74xx:74LS243 and the footprint Package_SO:SO-14_3.9x8.65mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74ALS243ANS?
SO-14, with 14 pins. Its footprint is drawn on this page.
Where can I order the SN74ALS243ANS?
JLCPCB lists it as part C3753983, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74ALS243ANS?
Parts like it in the library: the CD74HC243M96 by Texas Instruments, the MC74VHCT50AD by onsemi, the TC74HCT7007AF-ELF by Toshiba and the CD4041UBM96 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
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