Overview
The CD74HC243E is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a PDIP-14 package with 14 pins. -55℃~+125℃ 1 160uA 2V~6V 4 7.8mA 7.8mA 74HC 7ns@4.5V,15pF Bidirectional Output enable Tri-State PDIP-14 Buffers, Drivers, Receivers, Transceivers ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS243, from KiCad's library) and its footprint (Package_DIP:DIP-14_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1548188).
Symbol
Footprint
Parameters
12- Channel Type
- Bidirectional
- Current - Output High(IOH)
- 7.8mA
- Current - Output Low(IOL)
- 7.8mA
- Features
- Output enable
- Logic Family
- 74HC
- Number of Bits per Element
- 4
- Number of Elements
- 1
- Operating Temperature
- -55℃~+125℃
- Propagation Delay
- 7ns@4.5V,15pF
- Quiescent Current
- 160uA
- Voltage - Supply
- 2V~6V
- output type
- Tri-State
Order codes
1- CD74HC243ELCSC C1548188
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 CD74HC243E?
Yes. The symbol is 74xx:74LS243 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 CD74HC243E?
PDIP-14, with 14 pins. Its footprint is drawn on this page.
Where is the CD74HC243E datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the CD74HC243E?
JLCPCB lists it as part C1548188, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD74HC243E?
Parts like it in the library: the SN74HC266N(LX) by lingxingic, the SN7417N by Texas Instruments, the SN74ALS1034N by Texas Instruments and the SN74AS1034AN by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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