S-24C32C Datasheet, PDF (4/44 Pages) Seiko Instruments Inc – Write protect function during the low power supply voltage

2-WIRE SERIAL E²PROM
S-24C32C/64C
 Block Diagram
SCL
SDA
A2
A1
A0
Start / Stop
Detector
LOAD
Device Address
Comparator
Serial Clock
Controller
COMP
LOAD INC
R/W
Address
Counter
Y Decoder
D_IN
D_OUT
Figure 5
Rev.4.0_02_H
VCC
WP
GND
Voltage Detector
High-Voltage Generator
Data Register
X Decoder ^{Memory Cell Array}
Selector
Data Output
ACK Output
Controller
4