DESCRIPTION:
The Turbo IC 25C128/25C256 is a serial 128K/256K EEPROM fabricated with Turbo’s proprietary, high reliability, high performance CMOS technology. It’s 128K/256K of memory is organized as 16384/32768 x 8 bits. This device offers a flexible byte write and a faster 64-byte page write. It also offers significant advantages in low power and low VCC voltage applications.

FEATURES :
• Extended Power Supply Voltage
   Single Vcc for Read and Programming
   (Vcc = 2.7V to 3.6 V) (Vcc = 4.5V to 5.5V)
• Low Power (Isb = 2µa @ 5.5 V)
• SPI (Serial Peripheral Interface) Bus
• Support Byte Write and Page Write (64 Bytes)
• Automatic 64 Byte Page write Operation (max. 10 ms)
   Internal Control Timer
   Internal Data Latches for 64 Bytes
• Hardware Data Protection by Write Protect Pin
• High Reliability CMOS Technology with EEPROM Cell
   Endurance : 100,000 Cycles
   Data Retention : 100 Years
• Support SPI Modes 0 (0,0) and 3 (1,1)
• 2.1 Mhz clock rate
• 8 pin JDEC 300 mil wide PDIP and 8 pin 150 mil wide SOIC