JS28F128P30T85 Micron Technology Inc, JS28F128P30T85 Datasheet - Page 86

• Manufacturer Part Number: JS28F128P30T85
• Manufacturer: Micron Technology Inc

Specifications of JS28F128P30T85

• Cell Type: NOR
• Density: 128Mb
• Access Time (max): 85/17ns
• Interface Type: Parallel/Serial
• Boot Type: Top
• Address Bus: 23b
• Operating Supply Voltage (typ): 1.8V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP
• Program/erase Volt (typ): 1.7 to 2/8.5 to 9.5V
• 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: 8M
• Supply Current: 28mA
• Mounting: Surface Mount
• Pin Count: 56
• Lead Free Status / Rohs Status: Compliant

Figure 40: Block Lock Operations Flowchart
Datasheet
86
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
1
, DQ
LOCK_OP.WMF
0
.
August 2008
306666-12
P30