NAND512R3A2C datasheet(27/51 Pages) STMICROELECTRONICS

Part #	NAND512R3A2C

Description	512 Mbit, 528 Byte/264 Word Page, 1.8V/3V, NAND Flash Memories

PDF	51 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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NAND512-A2C

Device operations

27/51

6.8

Read Electronic Signature

The device contains a Manufacturer Code and Device Code. To read these codes two steps

are required:

first use one Bus Write cycle to issue the Read Electronic Signature command (90h),

followed by an address input of 00h.

then perform two Bus Read operations – the first will read the Manufacturer Code and

the second, the Device Code. Further Bus Read operations will be ignored.

Refer to Table 12: Electronic Signature, for information on the addresses.

Table 11.

Status Register bits

Bit

Name

Logic Level

Definition

SR7

Write Protection

'1'

Not Protected

'0'

Protected

SR6

Program/ Erase/ Read

Controller

'1'

P/E/R C inactive, device ready

'0'

P/E/R C active, device busy

SR5, SR4,

SR3, SR2,

SR1

Reserved

Don’t Care

SR0

Generic Error

‘1’

Error – operation failed

‘0’

No Error – operation successful

Table 12.

Electronic Signature

Part Number

Manufacturer Code

Device code

NAND512R3A2C

20h

36h

NAND512W3A2C

76h

NAND512R4A2C

0020h

0046h

NAND512W4A2C

0056h

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