SST26WF040BA datasheet(75/96 Pages) MICROCHIP

75 / 96 page

 2014-2017 Microchip Technology Inc.

DS20005283C-page 75

SST26WF040B/040BA SST26WF080B/080BA

25AH

A23:A16

FEH

Section 4 Block Protection Bit Start

((2m) +1)+ c, c=FEH or -2, m= 3 for 4 Mb

The most significant (left-most) bit indicates the sign of the integer; it is

sometimes called the sign bit. If the sign bit is zero, then the number is

greater than or equal to zero, or positive. If the sign bit is one then the

number is less than zero or negative.

25BH

A31:A24

FEH

Section 4 Block Protection Bit End

((2m) +1)+ c, c=FEH or -2, m= 3 for 4 Mb

The most significant (left-most) bit indicates the sign of the integer; it is

sometimes called the sign bit. If the sign bit is zero, then the number is

greater than or equal to zero, or positive. If the sign bit is one then the

number is less than zero or negative.

25CH

A7:A0

02H

Section 5 Sector Type Number:

Sector type in JEDEC Parameter Table (top, 8 KByte)

25DH

A15:A8

02H

Section 5 Number of Sectors

Four of 8 KByte blocks (2n)

25EH

A23:A16

07H

Section 5 Block Protection Bit Start

((2m) +1)+ c, c=07H or 7, m= 3 for 4 Mb

Address bits are Read Lock bit locations and Even Address bits are

Write Lock bit locations. The most significant (left-most) bit indicates

the sign of the integer; it is sometimes called the sign bit. If the sign bit

is zero, then the number is greater than or equal to zero, or positive. If

the sign bit is one then the number is less than zero or negative.

25FH

A31:A24

0EH

Section 5 (Top) Block Protection Bit End

(((2m) +1)+ c, c=0EH or 15, m= 3 for 4 Mb,

Address bits are Read Lock bit locations and Even Address bits are

Write Lock bit locations. The most significant (left-most) bit indicates

the sign of the integer; it is sometimes called the sign bit. If the sign bit

is zero, then the number is greater than or equal to zero, or positive. If

the sign bit is one then the number is less than zero or negative.

1. See “Mapping Guidance Details” for more detailed mapping information

TABLE 11-1:

SERIAL FLASH DISCOVERABLE PARAMETER (SFDP) SST26WF040B/040BA

(CONTINUED) (16 OF 16)

Address

Bit Address

Data

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