Microchip | 25LC040AT-I/SN

The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus.

Features:

• Low-power CMOS technology:
  • Max. Write Current: 5 mA at 5.5 V, 10 MHz
  • Read Current: 5 mA at 5.5 V, 10 MHz
  • Standby Current: 5 μA at 5.5 V
• 512 x 8-bit organization
• Write Page mode (up to 16 bytes)
• Sequential Read
• Self-timed Erase and Write cycles (5 ms max.)
• 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
• High reliability:
  • Endurance: 1,000,000 Erase/Write cycles
  • Data retention: > 200 years
  • ESD protection: > 4000 V