DA28F640J5-150 Intel, DA28F640J5-150 Datasheet - Page 39

• Manufacturer Part Number: DA28F640J5-150
• Description: Flash Mem Parallel 5V 64M-Bit 8M x 8/4M x 16 150ns 56-Pin SSOP
• Manufacturer: Intel

Specifications of DA28F640J5-150

• Package: 56SSOP
• Cell Type: NOR
• Density: 64 Mb
• Architecture: Sectored
• Block Organization: Symmetrical
• Typical Operating Supply Voltage: 5 V
• Sector Size: 128KByte x 64
• Support Of Common Flash Interface: Yes
• Timing Type: Asynchronous
• Operating Temperature: 0 to 70 °C
• Interface Type: Parallel

ADVANCE INFORMATION
FULL STATUS CHECK PROCEDURE
Clear Block Lock-Bits
Clear Block Lock-Bits
Read Status Register
Read Status Register
Data (See Above)
Check if Desired
Successful
Write D0H
Full Status
Write 60H
Complete
SR.4,5 =
SR. 1 =
SR.7 =
SR.3 =
SR.5 =
Start
0
0
0
0
1
0
1
1
1
1
Clear Block Lock-Bits
Command Sequence
Voltage Range Error
Device Protect Error
Figure 12. Clear Block Lock-Bit Flowchart
INTEL StrataFlash™ MEMORY TECHNOLOGY, 32 AND 64 MBIT
Error
Error
Write FFH after the clear lock-bits operation to place device in read
array mode.
SR.5, SR.4, SR.3 and SR.1 are only cleared by the Clear Status
Register command.
If an error is detected, clear the status register before attempting retry
or other error recovery.
Operation
Operation
Standby
Standby
Standby
Standby
Standby
Write
Write
Read
Bus
Bus
Lock-Bits Confirm
Command
Lock-Bits Setup
Clear Block or
Clear Block
Command
Check SR.3
1 = Programming Voltage Error
Check SR.1
1 = Device Protect RP# = V
Check SR.4, 5
Both 1 = Command Sequence
Check SR.5
1 = Clear Block Lock-Bits Error
Master Lock-Bit Is Set
Error
Detect
Data = 60H
Addr = X
Data = D0H
Addr = X
Status Register Data
Check SR.7
1 = WSM Ready
0 = WSM Busy
Comments
Comments
IH
,
0606_12
39