qh25f320s33b8 Numonyx, qh25f320s33b8 Datasheet - Page 39

• Manufacturer Part Number: qh25f320s33b8
• Description: Numonyx? Serial Flash Memory S33
• Manufacturer: Numonyx

Numonyx™ Serial Flash Memory (S33)
Appendix A Write State Machine (WSM)
Table 20: Chip State and Output State Transitions (Sheet 1 of 2)
December 2007
Order Number: 314822-03
Ready,
WEL bit =0
Ready,
WEL bit =1
DPD,
WEL bit =x
Busy
Notes:
1.
2.
3.
4.
Chip State
Current
Refer to
Refer to
Refer to
Refer to
Protected,
Write SR
command
is ignored
(see note
Software
SR Write
WEL=0.
WEL=1.
(command ignored)
Ready.
occurs
Table 18
Table 18
Section 9.0, “Security Features”
Table 16
Table 20
on incoming commands.
Else,
01h
and
and
1)
If
WEL bit = 0
Ready,
If targeted
Ready and
protected,
address is
Program
(see note
for details on HW/SW protection.
for details on address protection.
for details on the Status Register.
busy and
(command ignored)
and
device is
device is
WEL=1.
WEL=x.
Page
Else,
02h
2)
Table 21
Busy
Command Input to Chip and Resulting Chip Next State (1 of 2)
does not
WEL bit
Output)
change
Ready,
Bytes
(Array
Read
Data
Data
03h
shows the command state transitions (Next State Table) based
Disable
WEL=0
Ready,
Write
04h
WEL bit does not change
for details on OTP protection.
(command ignored)
Read SR
does not
Output)
Output)
WEL bit
change
Ready,
Busy
05h
(SR
(SR
DPD,
Enable
WEL=1
Ready,
Write
06h
does not
WEL bit
Output)
change
Ready,
Bytes
(Array
Read
Data
Fast
Data
0Bh
(command ignored)
Busy
Fail Flags
Clear SR
does not
WEL bit
change
Ready,
30h
If the targeted
block address,
Else, device is
busy and WEL
Param Block
protected and
WEL bit = 1.
WEL bit = 0
bit = x (see
(command
parameter
Ready and
address is
ignored)
device is
note 2)
Ready,
a valid
Erase
40h
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