FT28C010 datasheet(8/30 Pages) FORCE

tên linh kiện	FT28C010

Giải thích chi tiết về linh kiện	128K x 8 Bit 5V EEPROM

PDF	30 Pages

Scroll/Zoom	100%

nhà sản xuất	FORCE [Force Technologies Ltd]

Trang chủ	https://www.forcetechnologies.co.uk

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8 / 30 page

Software Data Protection

Figure 6. Timing Sequence—Byte or Page Write

Figure 7. Write Sequence for

Software Data Protection

Regardless of whether the device has previously been

protected or not, once the software data protection

algorithm is used and data has been written, the FT28C010

will automatically disable further writes unless another

command is issued to cancel it. If no further commands

are issued the FT28C010 will be write protected during

power-down and after any subsequent power-up. The

state of A 15 and A 16 while executing the algorithm is

don’t care.

Note: Once initiated, the sequence of write operations

should not be interrupted.

(VCC)

WRITE

PROTECTED

VCC

DATA

ADDR

5555

2AAA

5555

≤tBLC MAX

WRITES

BYTE

PAGE

tWC

WRITE LAST

BYTE TO

LAST ADDRESS

WRITE DATA 55

TO ADDRESS

2AAA

WRITE DATA A0

TO ADDRESS

5555

WRITE DATA XX

TO ANY

ADDRESS

AFTER tWC

RE-ENTERS DATA

PROTECTED STATE

WRITE DATA AA

TO ADDRESS

5555

OPTIONAL

BYTE/PAGE

LOAD OPERATION

FT28C010-xxxxx-X

Rev 1.1

8/30

2011

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