FEDR45V064B-01 datasheet(9/20 Pages) LAPIS

Part #	FEDR45V064B-01

Description	64k(8,192-Word 횞 8-Bit) FeRAM (Ferroelectric Random Access Memory) SPI

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Manufacturer	LAPIS [LAPIS Semiconductor Co., Ltd.]

Direct Link	http://www.lapis-semi.com/

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9 / 20 page

FEDR45V064B-01

MR45V064B

9/20

WRITE PROTECTION

Writing protection block is shown as follows:

Protect Block size

Block Protect BIT

Protected Block

Protected Address Area

BP1

BP0

0

None

0

1

Upper 1/4 block

1800h – 1FFFh

1

0

Upper 1/2 block

1000h – 1FFFh

1

All

0000h – 1FFFh

Writing Protect

WP#

SRWD

mode

Writing protection status

in status register

Protection status in memory

Protected blocks

Unprotected

blocks

1

0

Software

protection

(SPM)

Status register is

unprotected when

WEL-bit is set by WREN

command. BP0 and BP1

are unprotected.

Protected

Unprotected

0

1

0

1

Hardware

protection

(HPM)

Status register is

protected. BP0 and BP1

are protected.

Protected

Unprotected

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Similar Description - FEDR45V064B-01

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FEDR45V064B-01 Datasheet(PDF) 9 Page - LAPIS Semiconductor Co., Ltd.

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