1-68
UX-F70MD/UX-F72MD
P E
Pin No.
Symbol
Pin function
1
2
3
4
5
6
7
8
PE
VCC
CS
SK
DI
DO
GND
NC
Program enable
Power supply
Chip select
Clock input
Data input
Data output
Ground
Non connect
1. Pin layout
2. Pin function
BR93LC66F-X(IC590):EEPROM
3. Block diagram
PE
Command decoder control
clock generation
Supply voltage
detection
Write
protect
High tension
generation
Command
register
Address
buffer
Address
decoder
Dummy bit
Data
register
R/W amp
4.096-bit
EEPROM
array