Service manual

SERVICE MANUAL
IC DATA AND WAVEFORMS OF KEY POINTS
(continued)
AT24C08 EEPROM
1. Features
Data EEPROM internally organized as 1024/2048
2. Pin Configuration
bytes and 64/128 pages×16 bytes
Page protection mode, flexible page-by-page
hardware write protection
-Additional protection EEPROM of 64/128 bits, 1
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 6 ms(<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 4. Refer to Table 4 about Functions and Service Data of AT24C08’s Pins.
Fig. 6
11