JS28F640J3D75D NUMONYX, JS28F640J3D75D Datasheet - Page 55

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JS28F640J3D75D

Manufacturer Part Number
JS28F640J3D75D
Description
IC FLASH 64MBIT 75NS 56TSOP
Manufacturer
NUMONYX
Datasheet

Specifications of JS28F640J3D75D

Format - Memory
FLASH
Memory Type
FLASH
Memory Size
64M (8Mx8, 4Mx16)
Speed
75ns
Interface
Parallel
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
56-TFSOP (0.551", 14.00mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
876722
876722TR
876722TR
JS28F640J3D75 S L8YP
JS28F640J3D75DTR

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
JS28F640J3D75D
Manufacturer:
RENESAS
Quantity:
5
Numonyx™ Embedded Flash Memory (J3 v. D)
Figure 27: Set Block Lock-Bit Flowchart
November 2007
308551-05
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
Successful
Write 60H,
Write 01H,
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
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
Datasheet
55

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