The Microchip 4Kbit EEPROM (part number 30H4681) operates within a temperature range of -40¬8C to +125¬8C, making it suitable for both industrial and automotive applications. It features a memory organization of 512 x 8-bit or 256 x 16-bit, depending on the specific device variant. The EEPROM utilizes a serial Microwire interface with a maximum clock frequency of 3 MHz, ensuring efficient data communication. This device supports low-power CMOS technology and includes features such as self-timed erase/write cycles, automatic erase before write, and power-on/off data protection circuitry. It is rated for 1,000,000 erase/write cycles and offers data retention exceeding 200 years. The product is available in various package types, including 8-lead PDIP and SOIC, and is compliant with RoHS standards.
Manufacturer: Microchip Technology
Win Source Part Number: 858642-93C66CT-E/SN
Operating Temperature Range: -40°C ~ 125°C (TA)
Features: EEPROM Memory IC 4Kb (512 x 8, 256 x 16) SPI 3 MHz 8-SOIC
Package: 8-SOIC (0.154", 3.90mm Width)
Package: Reel - TR
Mounting: Surface Mount
Family Name: 93C66C
Categories: Integrated Circuits (ICs)
Case / Package: 8-SOIC
ECCN: EAR99
Popularity: Medium
Fake Threat In the Open Market: 82 pct.
Supply and Demand Status: Limited
Quantity per package: 3300
MSL Level: 1 (Unlimited)
Estimated Pruduction Lead Time: 50 Weeks
REACH Status: REACH Unaffected
HTSUS: 8542.32.0051
IC EEPROM 4KBIT MICROWIRE 8SOIC Product overview: 93C66CT-E/SN from Microchip Technology is a Memory IC and Storage Component for data storage, firmware boot, embedded logging, industrial controllers, computing modules, and replacement sourcing. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include memory IC, Flash, SRAM, DRAM, storage module, Memory IC and Storage Component, Memory ICs Products. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 774-93C66CT-E/SN can be used for catalog matching and distributor lookup.
EEPROM Memory IC 4Kb (512 x 8, 256 x 16) SPI 3MHz 8-SOIC
EEPROM Memory IC 4Kbit Microwire 3 MHz 8-SOIC
IC EEPROM 4KBIT MICROWIRE 8SOIC
IC EEPROM 4KBIT SPI 3MHZ 8SOIC
EEPROM, 4KBIT, -40 TO 125DEG C; Memory Size:4Kbit; EEPROM Memory Configuration:512 x 8bit / 256 x 16bit; Memory Interface Type:Serial Microwire; Clock Frequency:3MHz; Memory Case Style:NSOIC; No. of Pins:8Pins RoHS Compliant: Yes
| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|
| Product Category | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips |
| Product Number | 858642-93C66CT-E/SN | 774-93C66CT-E/SN | 93C66CT-E/SN-ND | 93C66CT-E/SN | 93C66CT-E/SN | 93C66CT-E/SN | 30H4681 |
| Product Name | Memory - EEPROM - 93C66CT-E/SN | Memory IC and Storage Component | Memory | Memory | Integrated Circuits (ICs) - Memory - Memory | Memory | Eeprom, 4Kbit, -40 To 125Deg C; Memory Size Microchip |
| Memory Category | EEPROM | EEPROM | EEPROM | EEPROM; EEPROM | EEPROM; Non-Volatile | EEPROM; EEPROM | EEPROM |
| Operating Temperature | -40 to 125 C (-40 to 257 F) | -40 C (-40 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | |||
| Package Type | SOIC; 8-SOIC | SOIC; "8-SOIC (0.154"", 3.90mm Width)" | SOIC; 8-SOIC (0.154\", 3.90mm Width) | NSOIC | |||
| Access Time | 200 ns | ||||||
| Data Retention | 200 years |
