25L1605 Ver la hoja de datos (PDF) - Macronix International

Número de pieza

componentes Descripción

Fabricante

25L1605

16M-BIT [x 1 / x 2] CMOS SERIAL FLASH 32M-BIT [x 1 / x 2] CMOS SERIAL FLASH 64M-BIT [x 1 / x 2] CMOS SERIAL FLASH

Macronix International 

MX25L1605D

MX25L3205D

MX25L6405D

Table 2. Protected Area Sizes

Status bit

BP3 BP2 BP1 BP0

00 0 0

00 0 1

00 1 0

00 1 1

01 0 0

01 0 1

01 1 0

01 1 1

10 0 0

10 0 1

10 1 0

10 1 1

11 0 0

11 0 1

11 1 0

11 1 1

16Mb

0(none)

1(1block, block 31th)

2(2blocks, block 30th-31th)

3(4blocks, block 28th-31th)

4(8blocks, block 24th-31th)

5(16blocks, block 16th-31th)

6(32blocks, all)

7(32blocks, all)

8(32blocks, all)

9(32blocks, all)

10(16blocks, block 0th-15th)

11(24blocks, block 0th-23th)

12(28blocks, block 0th-27th)

13(30blocks, block 0th-29th)

14(31blocks, block 0th-30th)

15(32blocks, all)

Protect Level

32Mb

0(none)

1(1block, block 63th)

2(2blocks, block 62th-63th)

3(4blocks, block 60th-63th)

4(8blocks, block 56th-63th)

5(16blocks, block 48th-63th)

6(32blocks, block 32th-63th)

7(64blocks, all)

8(64blocks, all)

9(32blocks, block 0th-31th)

10(48blocks, block 0th-47th)

11(56blocks, block 0th-55th)

12(60blocks, block 0th-59th)

13(62blocks, block 0th-61th)

14(63blocks, block 0th-62th)

15(64blocks, all)

64Mb

0(none)

1(2blocks, block 126th-127th)

2(4blocks, block 124th-127th)

3(8blocks, block 120th-127th)

4(16blocks, block 112th-127th)

5(32blocks, block 96th-127th)

6(64blocks,block 64th-127th)

7(128blocks, all)

8(128blocks, all)

9(64blocks, block 0th-63th)

10(96blocks, block 0th-95th)

11(112blocks, block 0th-111th)

12(120blocks, block 0th-119th)

13(124blocks, block 0th-123th)

14(126blocks, block 0th-125th)

15(128blocks, all)

II. Additional 512-bit secured OTP for unique identifier: to provide 512-bit one-time program area for setting device

unique serial number - Which may be set by factory or system customer. Please refer to table 3. 512-bit secured OTP

definition.

- Security register bit 0 indicates whether the chip is locked by factory or not.

- To program the 512-bit secured OTP by entering 512-bit secured OTP mode (with ENSO command), and going through

normal program procedure, and then exiting 512-bit secured OTP mode by writing EXSO command.

- Customer may lock-down the customer lockable secured OTP by writing WRSCUR(write security register) command

to set customer lock-down bit1 as "1". Please refer to table of "security register definition" for security register bit

definition and table of "512-bit secured OTP definition" for address range definition.

- Note: Once lock-down whatever by factory or customer, it cannot be changed any more. While in 512-bit secured OTP

mode, array access is not allowed.

Table 3. 512-bit Secured OTP Definition

Address range

Size

xxxx00~xxxx0F

128-bit

Standard

Factory Lock

ESN (electrical serial number)

xxxx10~xxxx3F

384-bit

N/A

Customer Lock

Determined by customer

P/N: PM1290

REV. 1.4, OCT. 01, 2008

7

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