X24C45 Datasheet, PDF (6/14 Pages) Xicor Inc. – Serial AUTOSTORE™ NOVRAM

X24C45
Figure 4. X24C45 State Diagram
POWER
ON
POWER
OFF
POWER-UP
RECALL
RAM
READ
ENABLED
RAM READ
AUTOSTORE
POWER DOWN
STO OR
WRDS CMD
RCL COMMAND
OR RECALL
RAM
READ
ENABLED
RAM READ
RAM READ
OR WRITE
WREN
COMMAND
RAM
READ & WRITE
ENABLED
STORE ENABLED
AUTOSTORE
ENABLED
STO OR
WRDS CMD
WREN
COMMAND
ENAS COMMAND
RAM
READ & WRITE
ENABLED
STORE
ENABLED
RAM READ
OR WRITE
3833 FHD F12.1
6