RC28F256P30TFB Micron Technology Inc, RC28F256P30TFB Datasheet - Page 84

• Manufacturer Part Number: RC28F256P30TFB
• Manufacturer: Micron Technology Inc

Specifications of RC28F256P30TFB

• Cell Type: NOR
• Density: 256Mb
• Access Time (max): 100ns
• Interface Type: Parallel/Serial
• Boot Type: Top
• Address Bus: 24b
• Operating Supply Voltage (typ): 1.8V
• Operating Temp Range: -40C to 85C
• Package Type: EZBGA
• Sync/async: Async/Sync
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 1.7V
• Operating Supply Voltage (max): 2V
• Word Size: 16b
• Number Of Words: 16M
• Supply Current: 31mA
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

Figure 41: Block Lock Operations Flowchart
Datasheet
84
Read Block Lock
Write 01 ,D0,2Fh
Block Address
Block Address
Lock Change
Any Address
Read
Lock
Lock
Read ID Plane
Write FFh
Write 60 h
Write 90 h
Complete
Change ?
Locking
Status
Start
Setup
Confirm
Yes
Array
No
LOCKING OPERATIONS PROCEDURE
Operation
( Optional)
( Optional)
( Optional)
Standby
Write
Write
Write
Read
Write
Bus
Command
Block Lock
Unlock, or
Lockdown
Read ID
Confirm
Status
Setup
Plane
Lock,
Read
Array
Lock
Data = 60h
Addr = Block to lock/unlock/lock-down (BA)
Data = 01h (Lock block)
Addr = Block to lock/unlock/lock-down (BA)
Data = 90h
Addr = Block address offset +2 ( BA+2)
Block Lock status data
Addr = Block address offset +2 ( BA+2)
Confirm locking change on DQ
(See Block Locking State Transitions Table
for valid combinations.)
Data = FFh
Addr = Block address (BA)
D0h (Unlock block)
2Fh (Lockdown block)
Comments
Order Number: 320002-10
1
, DQ
LOCK_OP.WMF
0
.
P30-65nm
Mar 2010