akira CT-21CBP5CP, Service Manual

Page: 37 / 54

Model no.: .CT-21CBP5CP.doc
version 1.0
37
1.6 EEPROM AT24C08
1) Features
•
Data EEPROM internally organized as
1024/2048
2)
•
Pin Configuration
bytes and 64/128 pages x 16
bytes
•
Page protection mode, flexible page-by-page
hardware write Protection
-Additional protection EEPROM of 64/128 bits,
bit per data page
-Protection setting for each data page by writing
its protection bit
-Protection management without switching WP pin
•
Low power CMOS ·Vcc=2.7 to 5.5V operation
-Two wire serial interface bus, I
2
C-Bus compatible
-Filtered inputs for noise suppression with Schmitt
trigger
•
Clock frequency up to 400 kHz
-High programming flexibility
-Internal programming voltage
-Self timed programming cycle including erase
-Byte-write and page-write programming, between 1 and 16 bytes
-Typical programming time 6ms(<10ms) for up to 16 bytes
·
High reliability
-Endurance 10
6
cycles
1)
-Data retention 40 years
1)
-ESD protection 4000 V on all pins
-8 pin DIP/DSO packages
•
Available for extended temperature ranges
-Industrial: -40 to +85
-Automotive: -40 to +125
℃
3) Block Diagram
Fig.17