X24C45 Datasheet, PDF (6/12 Pages) Xicor Inc. – Serial AUTOSTORE™ NOVRAM

Figure 4. FX24C45 State Diagram
X24C45
Power
On
Power
OFF
Power-Up
Recall
RAM
Read
Enabled
RAM Read
RAM Read
Or Write
WREN
Command
AUTOSTORE
Power-down
STO Or
Wrds Cmd
RCL Command
Or Recall
RAM
Read
Enabled
RAM Read
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
6
FN8104.0
June 1, 2005