NAND128-A STMicroelectronics, NAND128-A Datasheet - Page 27

• Manufacturer Part Number: NAND128-A
• Description: 128 Mbit / 256 Mbit / 512 Mbit / 1 Gbit (x8/x16) 528 Byte/264 Word Page / 1.8V/3V / NAND Flash Memories
• Manufacturer: STMicroelectronics

Table 11. Status Register Bits
Read Electronic Signature
The device contains a Manufacturer Code and De-
vice Code. To read these codes two steps are re-
quired:
1. first use one Bus Write cycle to issue the Read
2. then perform two Bus Read operations – the
Refer to
mation on the addresses.
SR3, SR2, SR1
SR5, SR4,
Electronic Signature command (90h)
first will read the Manufacturer Code and the
second, the Device Code. Further Bus Read
operations will be ignored.
SR7
SR6
SR0
Bit
Table 12., Electronic
Program/ Erase/ Read
Write Protection
Generic Error
Controller
Reserved
Name
Signature, for infor-
NAND128-A, NAND256-A, NAND512-A, NAND01G-A
Logic Level
Don’t Care
‘1’
‘0’
'1'
'0'
'1'
'0'
Table 12. Electronic Signature
NAND01GW3A
NAND01GW4A
NAND128W3A
NAND128W4A
NAND256W3A
NAND256W4A
NAND512W3A
NAND512W4A
NAND01GR3A
NAND01GR4A
NAND128R3A
NAND128R4A
NAND256R3A
NAND256R4A
NAND512R3A
NAND512R4A
Part Number
Not Protected
Protected
P/E/R C inactive, device ready
P/E/R C active, device busy
Error – operation failed
No Error – operation successful
Manufacturer
Definition
0020h
0020h
0020h
0020h
Code
20h
20h
20h
20h
Device code
0043h
0053h
0045h
0055h
0046h
0056h
0049h
0059h
33h
73h
35h
75h
36h
76h
39h
79h
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