參數資料
型號: NAND256R4A3AZA1T
廠商: STMICROELECTRONICS
元件分類: PROM
英文描述: 16M X 16 FLASH 1.8V PROM, 10000 ns, PBGA55
封裝: 8 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, VFBGA-55
文件頁數: 20/56頁
文件大?。?/td> 882K
代理商: NAND256R4A3AZA1T
27/56
NAND128-A, NAND256-A, NAND512-A, NAND01G-A
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
Electronic Signature command (90h)
2.
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 infor-
mation on the addresses.
Table 12. Electronic Signature
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
Part Number
Manufacturer
Code
Device code
NAND128R3A
20h
33h
NAND128W3A
73h
NAND128R4A
0020h
0043h
NAND128W4A
0053h
NAND256R3A
20h
35h
NAND256W3A
75h
NAND256R4A
0020h
0045h
NAND256W4A
0055h
NAND512R3A
20h
36h
NAND512W3A
76h
NAND512R4A
0020h
0046h
NAND512W4A
0056h
NAND01GR3A
20h
39h
NAND01GW3A
79h
NAND01GR4A
0020h
0049h
NAND01GW4A
0059h
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