RC28F256K3C120 NUMONYX, RC28F256K3C120 Datasheet - Page 73

• Manufacturer Part Number: RC28F256K3C120
• Description: IC FLASH 256MBIT 120NS 64BGA
• Manufacturer: NUMONYX

Specifications of RC28F256K3C120

• Rohs Status: RoHS non-compliant
• Format - Memory: FLASH
• Memory Type: StrataFlash® FLASH
• Memory Size: 256M (16Mx16)
• Speed: 120ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-BGA
• Other names: 853157

Datasheet
Figure 28. Buffered Enhanced Factory Programming Procedure Flowchart
Standby
Standby
(note 1)
(note 2)
NOTES:
1. WA
programmed within the target block. WA
must align on a write buffer boundary.
2. The status register is updated when a
system read toggles OE# low-high-low.
3. Write buffer contents are programmed
sequentially to the flash array starting at
WA
addressing.
State
Write
Write
Write
Read
Bus
0
. The WSM internally increments
0
= first word address to be
Condition
Confirm
Unlock
Done?
Check
BEFP
Setup
BEFP
BEFP
Setup
errors (SR.3, SR.1)
Block
Check V
Error
BEFP Setup time
BEFP Setup
Address = WA
Address = WA
Status Register
BEFP Setup
Write D0h
Write 80h
BEFP Setup
Unlock
Block
Read
Start
Done?
Exit
PEN
Unlock block
Data = 80h
Address = WA
Data = D0h
Address = WA
Status Register
Address = WA
Check SR.7
0 = BEFP ready
1 = BEFP not ready
If SR.7 = 1:
Check SR.3, SR.1
SR.3 = 1 = V
SR.1 = 1 = locked block
SR.7=1=N
& Lock
Comments
0
0
SR.7=0=Y
PEN
0
0
0
28F640K3, 28F640K18, 28F128K3, 28F128K18, 28F256K3, 28F256K18
error
0
SR.0=1=N
Standby
Standby
Standby
Standby
Standby
Standby
(note 3)
State
Read
Write
Read
Write
Bus
BEFP Program & Verify
N
BEFP Program & Verify
Initialize
Program
Program
N
Ready?
& Verify
Stream
Done?
Phase
Count
Count
Buffer
Buffer
Data?
Full?
Full?
Data
Last
Inc.
Exit
Increment count
Address = other
Status Register
Address = WA
Status Register
Initialize count
Write FFFFh
Data Stream
Write Data
Program
Ready?
X = X+1
X = 32?
Check
Done?
Data?
Read
Read
X = 0
block
Last
Status Register
Address = WA
Check SR.0
0 = Ready for data
1= Not ready for data
X = 0
Data = word to program
Address = WA
X = X+1
X = 32?
If yes, read SR.0
If no, load next data word
Status Register
Address = WA
Check SR.0
0 = Program done
1 = Program in progress
No = Fill Buffer again
Yes = Exit the Program &
Verify phase
X = 32?
If yes, read SR.0
If no, load next data word
SR.0=0=Y
SR.0=0=Y
Y
Y
Comments
0
0
0
0
SR.7=0=N
Bus State
Repeat for subsequent blocks.
After BEFP exit, a Full Status Check can
determine if any program error occurred.
See the Full Status Check procedure in the
Word Program flowchart.
Write FFh to enter read array mode.
Standby
Read
Full Status Check
BEFP Exit
Status Register
Procedure
Complete
Program
BEFP Exit
Exited?
BEFP
Read
Status Register
Address = WA
Check SR.7
0 = Exit not Completed
1 = Exit Completed
SR.7=1=Y
Comments
0
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