Memory ICs
•Operation notes
(1) Cancelling modes
BR93LC66 / BR93LC66F / BR93LC66RF / BR93LC66FV
〈READ〉
Start bit
1bit
Operating code
2bits
Address
8bits
Data
16bits
Cancel can be performed for the entire read mode space
Cancellation method: CS LOW
〈WRITE, WRAL〉
Start bit
1bit
Operating code
2bits
Address
8bits
Data
16bits
tE / W
a
b
∗ a: Canceled by setting CS LOW or VCC OFF ( )
b: Cannot be canceled by any method. If VCC is set to OFF during this time, the data in the
designated address is not secured.
∗: VCC OFF (VCC is turned off after CS is set to LOW)
Fig.7
9