The Microchip 25AA640A/25LC640A is a 64Kbit Serial EEPROM that operates over a voltage range of 1.8V to 5.5V and supports industrial temperature ranges from -40°C to +85°C. It features a maximum clock frequency of 10 MHz and utilizes low-power CMOS technology, with a maximum write current of 5 mA and a standby current of 1 µA. The memory organization consists of 8192 x 8-bit, with a page size of 32 bytes. This EEPROM supports self-timed erase and write cycles, with a maximum cycle time of 5 ms. It includes block write protection options and built-in write protection features such as power-on/off data protection circuitry and a write-protect pin. The device is designed for high reliability, offering an endurance of 1,000,000 erase/write cycles and data retention exceeding 200 years. It is available in various package types, including PDIP, SOIC, TSSOP, and DFN.
EEPROM Memory IC 64Kb (8K x 8) SPI 10MHz 8-SOIC
64K 8Kx8 1.8V Ser. EEPROM,25AA640A-I/SN
64K 8Kx8 1.8V Ser. EEPROM,25AA640A-I/SN
Manufacturer: Microchip Technology
Win Source Part Number: 854787-25AA640A-I/SN
Features: Memory IC 10 MHz
Package: Tube
Family Name: 25AA640
Categories: Integrated Circuits (ICs)
ECCN: EAR99
Popularity: Medium
Fake Threat In the Open Market: 78 pct.
Supply and Demand Status: Limited
Quantity per package: 100
MSL Level: 1 (Unlimited)
Estimated Pruduction Lead Time: 51 Weeks
REACH Status: REACH Unaffected
HTSUS: 8542.32.0051
IC EEPROM 64KBIT SPI 10MHZ 8SOIC Product overview: 25AA640A-I/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 10MHZ. Search-friendly keywords include memory IC, Flash, SRAM, DRAM, storage module, 10MHZ, 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 774-25AA640A-I/SN can be used for catalog matching and distributor lookup.
EEPROM Memory IC 64Kbit SPI 10 MHz 8-SOIC
IC EEPROM 64KBIT SPI 10MHZ 8SOIC
EEPROM, 64KBIT, -40 TO 85DEG C ROHS COMPLIANT: YES
IC EEPROM 64KBIT SPI 10MHZ 8SOIC
IC EEPROM 64KBIT SPI 10MHZ 8SOIC
| DigiKey | RS Components, Ltd. | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | Quarktwin Technology Ltd. | ODG (Origin Data Global) | Newark, An Avnet Company | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips |
| Product Number | 25AA640A-I/SN-ND | 6678283 | 854787-25AA640A-I/SN | 774-25AA640A-I/SN | 25AA640A-I/SN | 25AA640A-I/SN | 66AH1930 | 25AA640A-I/SN | 25AA640A-I/SN |
| Product Name | Memory | EEPROM | Memory - EEPROM - 25AA640A-I/SN | 10MHZ Memory IC and Storage Component | Memory | Memory | Eeprom, 64Kbit, -40 To 85Deg C Rohs Compliant Microchip | Integrated Circuits (ICs) - Memory - Memory | Memory |
| Memory Category | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM; EEPROM | EEPROM; EEPROM | EEPROM | EEPROM; Non-Volatile | EEPROM; EEPROM |
| Operating Temperature | -40 to 85 C (-40 to 185 F) | -40 C (-40 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | |||||
| Package Type | SOIC; "8-SOIC (0.154"", 3.90mm Width)" | SOIC | SOIC; 8-SOIC (0.154\", 3.90mm Width) | SOIC; 8-SOIC (0.154", 3.90mm Width) | |||||
| Supply Voltage | 1.8V ~ 5.5V | 5.5 v, 1.8 v | -3.3V; 1.8 | 1.8V ~ 5.5V | 1.8V ~ 5.5V | Surface Mount | |||
| Access Time | 160 ns | 50 ns |
