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): 14/90頁
文件大?。?/td> 849K
代理商: M29W640GB70ZA6F
M29W640GH, M29W640GL, M29W640GT, M29W640GB
Bus operations
21/90
Table 7.
Bus Operations, BYTE = VIL
(1)
Operation
E
G
W
Address Inputs
DQ15A–1, A0-A21
Data Inputs/Outputs
DQ14-
DQ8
DQ7-DQ0
Bus Read
VIL
VIH
Cell Address
Hi-Z
Data Output
Bus Write
VIL VIH
VIL
Command Address
Hi-Z
Data Input
Output Disable
X
VIH VIH
X
Hi-Z
Standby
VIH
X
Hi-Z
Read Manufacturer
Code
VIL
VIH
Hi-Z
20h
Read Device Code
(cycle 1)
VIL
VIH
Hi-Z
7Eh
Read Device Code
(cycle 2)
M29W640GH,
M29W640GL
0Ch
M29W640GT,
M29W640GB
10h
Read Device Code
(cycle 3)
M29W640GH,
M29W640GT
01h
M29W640GL,
M29W640GB
00h
Read Extended
Memory Block
Verify Code
VIL
VIH
Hi-Z
M29W640GL,
M29W640GT,
M29W640GB
88h (Factory locked)
08h (Customer
Lockable)
M29W640GH
98h(Factory Locked)
18h (Customer
Lockable)
Read Block
Protection Status
VIL
VIH
Hi-Z
01h (protected)
00h (unprotected)
1.
X = VIL or VIH.
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