參數(shù)資料
型號: M29W640GB70ZA6F
廠商: STMICROELECTRONICS
元件分類: PROM
英文描述: 4M X 16 FLASH 3V PROM, 70 ns, PBGA48
封裝: 6 X 8 MM, 0.80 MM PITCH, ROHS COMPLIANT, TFBGA-48
文件頁數(shù): 15/90頁
文件大?。?/td> 849K
代理商: M29W640GB70ZA6F
Bus operations
M29W640GH, M29W640GL, M29W640GT, M29W640GB
Table 8.
Bus Operations, BYTE = VIH
(1)
Operation
E
G
W
Address Inputs
A0-A21
Data Inputs/Outputs
DQ15A–1, DQ14-DQ0
Bus Read
VIL
VIL VIH
Cell Address
Data Output
Bus Write
VIL VIH VIL
Command Address
Data Input
Output Disable
X
VIH VIH
X
Hi-Z
Standby
VIH
X
Hi-Z
Read Manufacturer
Code
VIL
VIL VIH
0020h
Read Device Code
(cycle 1)
VIL
VIL VIH
227Eh
Read Device Code
(cycle 2)
M29W640GH,
M29W640GL
220Ch
M29W640GT,
M29W640GB
2210h
Read Device Code
(cycle 3)
M29W640GH,
M29W640GT
2201h
M29W640GL,
M29W640GB
2200h
Read Extended
Memory Block
Verify Code
VIL
VIL VIH
M29W640GL,
M29W640GT,
M29W640GB
2288h (Factory locked)
2208h (Customer
Lockable)
M29W640GH
2298h(Factory Locked)
2218h (Customer
Lockable)
Read Block
Protection Status
VIL
VIL VIH
0001h (protected)
0000h (unprotected)
1.
X = VIL or VIH.
Table 9.
Read Electronic Signature addresses(1)
Code
A7-A0
BYTE = VIH
A6-A0, DQ15A–1
BYTE = VIL
Manufacturer Code
00h
Device Code (cycle 1)
01h
02h
Device Code (cycle 2)
0Eh
1Ch
Device Code (cycle 3)
0Fh
1Eh
Extended Memory Block Verify Code
03h
06h
Block Protection Status
02h(2)
04h(2)
1.
A9 = VID; other address bits set to VIL or VIH.
2.
A12- A21 must be set to the block address.
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