RC28F640J3C115 Intel, RC28F640J3C115 Datasheet - Page 65

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RC28F640J3C115

Manufacturer Part Number
RC28F640J3C115
Description
Manufacturer
Intel
Datasheet

Specifications of RC28F640J3C115

Cell Type
NOR
Density
64Mb
Access Time (max)
115ns
Interface Type
Parallel
Boot Type
Not Required
Address Bus
23/22Bit
Operating Supply Voltage (typ)
3/3.3V
Operating Temp Range
-40C to 85C
Package Type
EZBGA
Program/erase Volt (typ)
2.7 to 3.6V
Sync/async
Asynchronous
Operating Temperature Classification
Industrial
Operating Supply Voltage (min)
2.7V
Operating Supply Voltage (max)
3.6V
Word Size
8/16Bit
Number Of Words
8M/4M
Mounting
Surface Mount
Pin Count
64
Lead Free Status / Rohs Status
Not Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
RC28F640J3C115SL7H9
Manufacturer:
Intel
Quantity:
10 000
Datasheet
Figure 24. Set Block Lock-Bit Flowchart
FULL STATUS CHECK PROCEDURE
Set Lock-Bit Complete
Read Status Register
Read Status Register
Data (See Above)
Check if Desired
Block Address
Block Address
Set Lock-Bit
Write 60H,
Write 01H,
Successful
Full Status
SR.4,5 =
SR.7 =
SR.3 =
SR.4 =
Start
0
0
0
1
0
1
1
1
Command Sequence
Voltage Range Error
Set Lock-Bit Error
Error
Repeat for subsequent lock-bit operations.
Full status check can be done after each lock-bit set operation or after
a sequence of lock-bit set operations.
Write FFH after the last lock-bit set operation to place device in read
array mode.
SR.5, SR.4 and SR.3 are only cleared by the Clear Status Register
command, in cases where multiple lock-bits are set before full status is
checked.
If an error is detected, clear the status register before attempting retry
or other error recovery.
Operation
Operation
Standby
Standby
Standby
Standby
Write
Write
Read
Bus
Bus
Set Block Lock-Bit
Set Block Lock-Bit
Command
Command
Confirm
Setup
Check SR.3
1 = Programming Voltage Error
Check SR.4, 5
Both 1 = Command Sequence
Check SR.4
1 = Set Lock-Bit Error
Error
256-Mbit J3 (x8/x16)
Detect
Data = 60H
Addr =Block Address
Data = 01H
Addr = Block Address
Status Register Data
Check SR.7
1 = WSM Ready
0 = WSM Busy
Comments
Comments
65

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