W39V040C View Datasheet(PDF) - Winbond

Part Name

Description

Manufacturer

W39V040C

512K X 8 CMOS FLASH MEMORY WITH LPC INTERFACE

Winbond 

W39V040C

6.13 DQ5: Exceeded Timing Limits

DQ5 indicates whether the program or erase time has exceeded a specified internal pulse count limit.

DQ5 produces “1” under these conditions which indicates that the program or erase cycle was not

successfully completed.

The device may output “1” on DQ5 if the system tries to program “1” to a location that was previously

programmed to “0.” Only the erase operation can change “0” back to “1.” Under this condition, the

device stops the operation, and while the timing limit has been exceeded, DQ5 produces “1.”

Under both these conditions, the system must hardware reset to return to the read mode.

- 10 -

Share Link: