RC28F256P30B85 Micron Technology Inc, RC28F256P30B85 Datasheet - Page 90

• Manufacturer Part Number: RC28F256P30B85
• Manufacturer: Micron Technology Inc

Specifications of RC28F256P30B85

• Cell Type: NOR
• Density: 256Mb
• Access Time (max): 85/17ns
• Interface Type: Parallel/Serial
• Boot Type: Bottom
• Address Bus: 24b
• Operating Supply Voltage (typ): 1.8V
• Operating Temp Range: -40C to 85C
• Package Type: EZBGA
• 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: 16M
• Supply Current: 28mA
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

Figure 44: Write State Machine—Next State Table (Sheet 3 of 6)
Datasheet
90
Current Chip
Program
Erase
Word
OTP
Lock/CR Setup
BP
State
Ready
BP Load 1
BP Load 2
Suspend
BP Busy
Suspend
Suspend
(7)
Confirm
Setup
Setup
Setup
Setup
Busy
Busy
Busy
BP
BP
Setup
Ready
(C0H)
Setup
BP Confirm if Data load into Program Buffer is
(Lock
Error)
OTP
OTP
(4)
Command Input to Chip and resulting Chip Next State
complete; ELSE BP load 2
Confirm
Ready
Block)
(01H)
Block
(Lock
Lock
Ready (Error)
BP Load 2
(8)
(Lock Down
Lock-Down
Confirm
Ready
(2FH)
Block
Blk)
Word Program Suspend
(8)
Word Program Busy
Word Program Busy
Erase Suspend
Ready (Error)
BP Suspend
Write RCR
Confirm
Erase Busy
BP Load 1
OTP Busy
(Set CR)
BP Busy
Ready
(03H)
Ready
(8)
Ready (Error)
(Proceed if
unlocked or lock
error)
Ready (BP Load 2 BP Load 2
Block Address
(?WA0)
(XXXXH)
Ready
Ready (Lock Error)
9
BP Confirm if
Data load into
Program Buffer is
complete; ELSE
BP Load 2
(all other codes)
Illegal Cmds or
BEFP Data
Ready (Error)
(1)
Completes
Operation
Ready
Ready
Ready
Ready
WSM
N/A
N/A
N/A
N/A
N/A
August 2008
306666-12
P30