Microchip Technology 93LCS66
2K/4K 2.5V Microwire Serial EEPROM
FEATURES
● Single supply with programming operation down to 2.5V● Low power CMOS technology - 1 mA active current typical - 5 µA standby current (typical) at 3.0V
● x16 memory organization - 128x16 (93LCS56) - 256x16 (93LCS66)
● Software write protection of user defined memory space
● Self timed erase and write cycles
● Automatic ERAL before WRAL
● Power on/off data protection
● Industry standard 3-wire serial I/O
● Device status signal during E/W
● Sequential READ function
● 1,000,000 E/W cycles guaranteed
● Data retention > 200 years
● 8-pin PDIP/SOIC and 14-pin SOIC packages
● Temperature ranges supported - Commercial (C): - Industrial (I): 0°C to +70°C -40°C to +85°C BLOCK DIAGRAM V CC V SS MEMORY ARRAY ADDRESS DECODER DI PRE PE CS CLK DATA REGISTER MODE DECODE LOGIC CLOCK GENERATOR ADDRESS COUNTER OUTPUT BUFFER DO
DESCRIPTION
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