NX-MD1R/NX-MD1
1-44
BR93LC66F (IC590) : 256 x 16 bit serial EEPROM
1. Terminal layout
2. Block diagram
3. Pin function
16bits
16bits
8bits
4096bits
EEPROM array
CS
SK
DI
DO
8bits
Command code
Control
Clock generation
Command
register
Dummy bits
Address
buffer
Data
register
Power supply
voltage detector
Write disable
High voltage
generator
Address
decoder
R / W
amplifier
1
2
3
4
8
7
6
5
PE
VCC
CS
SK
NC
GND
DO
DI
1
Pin
No.
Chip select input
Serial clock input
Serial data input
Ground
No connect
Power supply
2
3
4
5
6
7
8
Symbol
PE
VCC
CS
SK
DI
DO
GND
NC
Function
I/O
Serial data output
Not use
-
-
I
I
I
O
-
-