M29W640FT70N6E View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M29W640FT70N6E

64 Mbit (8Mb x8 or 4Mb x16, Page, Boot Block) 3V Supply Flash Memory

STMicroelectronics 

M29W640FT, M29W640FB

9 Part Numbering

Table 26. Primary Algorithm-Specific Extended Query Table

Address

x16

x8

Data

Description

Value

40h

80h

0050h

"P"

41h

82h

0052h Primary Algorithm extended Query table unique ASCII string “PRI” "R"

42h

84h

0049h

"I"

43h

86h

0031h Major version number, ASCII

“1”

44h

88h

0033h Minor version number, ASCII

"3"

Address Sensitive Unlock (bits 1 to 0)

45h

8Ah

0000h 00h = required, 01h = not required

Yes

Silicon Revision Number (bits 7 to 2)

Erase Suspend

46h

8Ch

0002h

2

00h = not supported, 01h = Read only, 02 = Read and Write

Block Protection

47h

8Eh

0004h

4

00h = not supported, x = number of blocks per protection group

Temporary Block Unprotect

48h

90h

0001h

Yes

00h = not supported, 01h = supported

Block Protect /Unprotect

49h

92h

0004h

04

04 = M29W640F

4Ah

94h

0000h Simultaneous Operations, 00h = not supported

No

4Bh

96h

0000h Burst Mode: 00h = not supported, 01h = supported

No

4Ch

98h

0001h

Page Mode: 00h = not supported, 01h = 4 page word, 02h = 8

page word

Yes

VPP Supply Minimum Program/Erase voltage

4Dh

9Ah

00B5h bit 7 to 4 HEX value in volts

bit 3 to 0 BCD value in 100 mV

11.5V

VPP Supply Maximum Program/Erase voltage

4Eh

9Ch

00C5h bit 7 to 4 HEX value in volts

bit 3 to 0 BCD value in 100 mV

12.5V

Top/Bottom Boot Block Flag

4Fh

9Eh

0002h 02h = Bottom Boot device

–

0003h 03h = Top Boot device

Program Suspend

50h

A0h

0001h 00h = Not Supported

01h = Supported

Supported

61/72

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