M25PE20 datasheet(17/64 Pages) NUMONYX

Part #	M25PE20

Description	1 and 2 Mbit, page-erasable serial Flash memories with byte alterability, 75 MHz SPI bus, standard pinout

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Manufacturer	NUMONYX [Numonyx B.V]

Direct Link	http://www.numonyx.com

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M25PE20, M25PE10

Memory organization

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5

Memory organization

The M25PE20 memory is organized as:

●

1024 pages (256 bytes each).

●

262,144 bytes (8 bits each)

●

64 subsectors (32 Kbits, 4,096 bytes each)

●

4 sectors (512 Kbits, 65,536 bytes each)

The M25PE10 memory is organized as:

●

512 pages (256 bytes each).

●

131,074 bytes (8 bits each)

●

32 subsectors (32 Kbits, 4,096 bytes each)

●

2 sectors (512 Kbits, 65,536 bytes each)

In the M25PE20 and M25PE10, each page can be individually:

●

programmed (bits are programmed from 1 to 0)

●

erased (bits are erased from 0 to 1)

●

written (bits are changed to either 0 or 1).

The device is page or sector erasable (bits are erased from 0 to 1).

Table 5.

M25PE20 memory organization

Sector

Subsector

Address range

3

63

3F000h

3FFFFh

48

30000h

30FFFh

2

47

2F000h

2FFFFh

32

20000h

20FFFh

1

31

1F000h

1FFFFh

16

10000h

10FFFh

0

15

0F000h

0FFFFh

4

04000h

04FFFh

3

03000h

03FFFh

2

02000h

02FFFh

1

01000h

01FFFh

0

00000h

00FFFh

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M25PE20 Datasheet(PDF) 17 Page - Numonyx B.V

M25PE20 Datasheet(HTML) 17 Page - Numonyx B.V

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