Description:
The Microchip Technology Inc. 25AA040/25LC040/25C040 (25XX040) is a 4 Kbit serial Electrically
Erasable PROM.

FEATUREs:
• Low-power CMOS technology:
- Write current: 3 mA, typical
- Read current: 500μA, typical
- Standby current: 500 nA, typical
• 512 x 8-bit organization
• 16 byte page
• Write cycle time: 5 ms max.
• Self-timed Erase and Write cycles
• Block write protection:
- Protect none, 1/4, 1/2 or all of array
• Built-in write protection:
- Power on/off data protection circuitry
- Write enable latch
- Write-protect pin
• Sequential read
• High reliability:
- Endurance: 1M cycles
- Data retention: > 200 years
- ESD protection: > 4000V
• 8-pin PDIP, SOIC and TSSOP packages
• Temperature ranges supported:
- Industrial (I): -40°Cto +85°C
- Automotive (E) (25C040): -40°C to +125°C