M58WR064HT Datasheet, PDF (50/111 Pages) Numonyx B.V – 64 Mbit (4Mb x16, Multiple Bank, Burst) 1.8V supply Flash memories

Dual operations and multiple bank architecture
M58WR064HT, M58WR064HB
Table 13. Dual Operations Allowed In Same Bank
Commands allowed in same bank
Status of bank
Read
Array
Read
Status
Register
Read Read
CFI Electronic Program
Query Signature
Block
Erase
Program/ Program/
Erase Erase
Suspend Resume
Idle
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Programming
–⁽²⁾
Yes
Yes
Yes
–
–
Yes
–
Erasing
–⁽²⁾
Yes
Yes
Yes
–
–
Yes
–
Program
Suspended
Yes⁽¹⁾ Yes
Yes
Yes
–
–
–
Yes
Erase
Suspended
Yes⁽¹⁾ Yes
Yes
Yes
Yes⁽¹⁾
–
–
Yes
1. Not allowed in the Block or Word that is being erased or programmed.
2. The Read Array command is accepted but the data output is no guaranteed until the Program or Erase has
completed.
Table 14. Dual Operation Limitations
Commands allowed
Current Status
Read CFI / OTP / Read
Electronic Parameter
Signature
Blocks
Programming / Erasing
Parameter Blocks
No
No
Located in
Programming/ _{Parameter Bank}
Yes
No
Erasing Main
Blocks
Not Located in
Parameter Bank
Yes
Yes
Programming OTP
No
No
Read Main Blocks
Located in
Parameter
Bank
Not Located in
Parameter
Bank
No
Yes
No
Yes
Yes
In Different
Bank Only
No
No
50/111