Inside the UNI/O EEPROM
Robust Interface
? Current limited
? Protection during short circuits
and bus con?icts
? Superior EMI performance
Current-
EEPROM Memory
? Density: 1K, 2K, 4K, 8K & 16K
? Endurance > 1 Million Cycles
? Data Retention > 200 Years
SCIO
I/O Communication
Limited
Slope
Control
HV Generator
? Manchester encoding/
decoding
? Synchronization circuitry
I/O Control
Logic
Memory
Control
Logic
X
Dec
EEPROM
Array
? Software addressing
GND
Page Latches
Status
Register
Y Decoder
Page Buffer
V CC
Status Register
? Write In Process (WIP) bit
? Write Enable Latch (WEL) bit
Sense Amp.
R/W Control
? 16 byte page
? Block protection bits
– Write protect for ?,? or
full array
Memory Control Logic
? Controls for internal clock and data
? Byte or page write
? Erase all or set all
www.microchip.com/UNIO
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