LE25CA322 - Sanyo Semicon Device

LE25CA322 Serial SPI EEPROM

PIN.1 PIN.2 CS SO WP VSS SI SCK HOLD VDD Chip select Serial data output Write protect Ground Serial data input Serial clock Hold Power supply CS SO WP VSS 1 2 3 4 8 7 6 5 VDD HOLD SCK SI PIN.3 PIN.4 PIN.5 PIN.6 PIN.7 PIN.8 Block Diagram ADDRESS BUFFERS & LATCHES XDECODER EEPROM Cell Array Y-DECODER CONTROL LOGIC I/O BUFFERS & DATA LATCHES SERIA.

Features

• Capacity
• Single supply voltage
• Serial interface
• Operating clock frequency
• Low current dissipation
• Page write function
• Rewrite time
• Number of rewrite times
• Data retention period
• High reliability : 32Kbits (4K×8bits) : 2.7V to 5.5V : SPI Mode0, Mode3 supported : 5MHz : Standby : 5μA (max.) : Active (Read) : 3mA (max.) : Active (Rewrite) : 5mA (max.) : 32bytes : 5ms : 105times/Address, 106 times/Page(Page=32Byte) : 20years : Adopts SANYO’s proprietary symmetric memory array configuration (USP6947325) Incorporates a feature to prohibit write operations under low voltage conditi.