M28W640HCT datasheet(54/72 Pages) NUMONYX

Part #	M28W640HCT

Description	64 Mbit (4 Mb x 16, boot block) 3 V supply Flash memory

PDF	72 Pages

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Manufacturer	NUMONYX [Numonyx B.V]

Direct Link	http://www.numonyx.com

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54 / 72 page

Common Flash interface (CFI)

M28W640HCT, M28W640HCB

54/72

Table 26.

CFI query identification string(1)

Query data are always presented on the lowest order data outputs (DQ7-DQ0) only. DQ8-DQ15 are ‘0’.

Offset

Data

Description

Value

00h

0020h

Manufacturer code

Numonyx

01h

8848h

8849h

Device code

Top

Bottom

02h-0Fh reserved Reserved

10h

0051h

‘Q’

11h

0052h

Query unique ASCII string ‘QRY’

‘R’

12h

0059h

‘Y’

13h

0003h

Primary algorithm command set and control interface ID code 16

bit ID code defining a specific algorithm

Intel

compatible

14h

0000h

15h

0035h

Address for primary algorithm extended query table (see Table 28)P = 35h

16h

0000h

17h

0000h

Alternate vendor command set and control interface ID code

second vendor - specified algorithm supported (0000h means

none exists)

18h

0000h

19h

0000h

Address for Alternate algorithm extended query table

(0000h means none exists)

1Ah

0000h

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