4 layers165 × 107 mm
Overview
The 93LC66B/P is an EEPROM made by Microchip Technology in a PDIP-8 package with 8 pins. -40℃~+85℃ 1,000,000 cycles 2.5V~5.5V 200 Years 2MHz 4Kbit 6ms SPI Software write protection function、Built-in write enable latch (WEL)、Power-down/Power-up protection circuit PDIP-8 EEPROM ROHS.
PCBKit's library has its KiCad symbol (Memory_EEPROM:93LCxxB, from KiCad's library) and its footprint (Package_DIP:DIP-8_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. 20 are in stock at JLCPCB (part C613886). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
11- Clock Frequency
- 2MHz
- Data Retention - TDR (Year)
- 200 Years
- Features
- Software write protection function
- Interface
- SPI
- Memory Size
- 4Kbit
- Operating Current
- 2mA
- Operating Temperature
- -40℃~+85℃
- Standby Current
- 5uA
- Voltage - Supply
- 2.5V~5.5V
- Write Cycle Endurance
- 1,000,000 cycles
- Write Cycle Time(Tw)
- 6ms
Order codes
1- 93LC66B/PLCSC C613886
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | CS | Input |
| 2 | SCLK | Input |
| 3 | DI | Input |
| 4 | DO | Tri-state |
| 5 | GND | Power in |
| 6 | NC | Not connected |
| 7 | NC | Not connected |
| 8 | VCC | Power in |
Open-source boards using it
All 1Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/microchip/93LC66B/P" title="93LC66B/P in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/93LC66B/P.jpg" alt="93LC66B/P" width="1200" height="900">[](https://pcbkit.io/parts/microchip/93LC66B/P)Questions
Is there a KiCad symbol and footprint for the 93LC66B/P?
Yes. The symbol is Memory_EEPROM:93LCxxB and the footprint Package_DIP:DIP-8_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 93LC66B/P?
PDIP-8, with 8 pins. Its footprint is drawn on this page.
Where is the 93LC66B/P datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the 93LC66B/P?
JLCPCB lists it as part C613886, with 20 in stock; the sellers' links on this page open their listings.
What can replace the 93LC66B/P?
Parts like it in the library: the AT93C66N by HGSEMI, the 93LC56B-I/P by Microchip Technology, the FT93C46A-UDR-B by FMD and the 25LC040/P by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the 93LC66B/P?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
AT93C66N
DIP-8-40℃~+85℃ 1,000,000 cycles 1.8V~5.5V 100 Years 10ms 2MHz 4Kbit SPI DIP-8 EEPROM ROHSHGSEMIEEPROM93LC56B-I/P
PDIP-8-40℃~+85℃ 1,000,000 cycles 2.5V~5.5V 200 Years 2Kbit 2MHz 6ms Built-in write enable latch (WEL)、Power-down/Power-up protection circuit SPI PDIP-8 EEPROM ROHSMicrochip TechnologyEEPROMFT93C46A-UDR-B
DIP-8-40℃~+85℃ 1,000,000 cycles 1.8V~5.5V 100 Years 10ms 1Kbit 2MHz Built-in write enable latch (WEL) SPI DIP-8 EEPROM ROHSFMDEEPROM25LC040/P
PDIP-8-40℃~+85℃ 1,000,000 cycles 2.5V~5.5V 200 Years 2MHz 4Kbit 5ms Hardware write protection function、Built-in write enable latch (WEL)、Power-down/Power-up protection circuit SPI PDIP-8 EEPROM ROHSMicrochip TechnologyEEPROM93C46B/P
PDIP-8-40℃~+125℃ 1,000,000 cycles 1Kbit 200 Years 2MHz 2ms 4.5V~5.5V SPI Software write protection function、Power-down/Power-up protection circuit PDIP-8 EEPROM ROHSMicrochip TechnologyEEPROM93C86-E/P
PDIP-8-40℃~+125℃ 1,000,000 cycles 10ms 16Kbit 200 Years 2MHz 4.5V~5.5V Hardware write protection function、Built-in write enable latch (WEL)、Power-down/Power-up protection circuit SPI PDIP-8 EEPROM ROHSMicrochip TechnologyEEPROM93LC46/P
PDIP-8-40℃~+85℃ 1,000,000 cycles 1Kbit 2.5V~5.5V 200 Years 2MHz 4ms Hardware write protection function、Noise suppression function、Built-in power-on reset (POR) SPI PDIP-8 EEPROM ROHSMicrochip TechnologyEEPROM93LC66-I/P
PDIP-8-40℃~+85℃ 1,000,000 cycles 2.5V~5.5V 200 Years 2MHz 4Kbit 4ms Built-in write enable latch (WEL)、Power-down/Power-up protection circuit SPI PDIP-8 EEPROM ROHSMicrochip TechnologyEEPROM