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M29F400 데이터 시트보기 (PDF) - STMicroelectronics
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M29F400
4 Mbit (512Kb x8 or 256Kb x16, Boot Block) single supply Flash memory
STMicroelectronics
M29F400 Datasheet PDF : 40 Pages
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M29F400BT, M29F400BB
Bus operations
Table 3. Bus operations, BYTE = V
IH(1)
Operation
E
G
W
Address Inputs
A0-A17
Bus Read
V
IL
V
IL
V
IH
Cell Address
Bus Write
V
IL
V
IH
V
IL
Command Address
Output Disable
X
V
IH
V
IH
X
Standby
V
IH
X
XX
Read Manufacturer
Code
V
IL
V
IL
V
IH
A0 = V
IL
, A1 = V
IL
, A9 =
V
ID
, Others V
IL
or V
IH
Read Device Code
V
IL
V
IL
V
IH
A0 = V
IH
, A1 = V
IL
, A9 =
V
ID
, Others V
IL
or V
IH
1. X = V
IL
or V
IH
.
Data Inputs/Outputs
DQ15A–1, DQ14-DQ0
Data Output
Data Input
Hi-Z
Hi-Z
0020h
00D5h (M29F400BT)
00D6h (M29F400BB)
15/40
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