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參數資料
| 型號： | W29F201 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 128K×16bit CMOS Flash Memory(128K×16位CMOS閃速存儲器) |
| 中文描述： | × 16位的CMOS 128K的閃存（128K的× 16位的CMOS閃速存儲器） |
| 文件頁數： | 5/23頁 |
| 文件大小： | 266K |
| 代理商： | W29F201 |
Preliminary W29F201
Publication Release Date: December 1998
- 5 -
Revision A1
Toggle Bit (DQ
6
)- Write Status Detection
In addition to data polling, the W29F201 provides another method for determining the end of a
program cycle. During the internal program or erase cycle, any consecutive attempts to read DQ
6
will
produce alternating 0's and 1's. When the program or erase cycle is completed, this toggling between
0's and 1's will stop. The device is then ready for the next operation.
Product Identification
The product ID operation outputs the manufacturer code and device code. Programming equipment
automatically matches the device with its proper erase and programming algorithms.
The manufacturer and device codes can be accessed by software or hardware operation. In the
software access mode, a six-word (or JEDEC 3-word) command sequence can be used to access the
product ID. A read from address 0000H outputs the manufacturer code, 00DA(hex). A read from
address 0001(hex) outputs the device code, 00AE(hex). The product ID operation can be terminated
by a three-word command sequence or an alternative one-word command sequence (see Command
Definition table).
In the hardware access mode, access to the product ID is activated by forcing CE and OE low, WE
high, and raising A9 to 12 volts.
TABLE OF OPERATING MODES
Operating Mode Selection
(V
HH
= 12V
±
5
%
)
MODE
PINS
CE
V
IL
OE
V
IL
WE
V
IH
RESET
ADDRESS
DQ.
Read
V
IH
A
IN
Dout
Erase/Program
V
IL
V
IH
V
IL
V
IH
A
IN
Din
Standby
V
IH
X
X
V
IH
X
High Z
Erase/Program
X
V
IL
X
V
IH
X
High Z/D
OUT
Inhibit
X
X
V
IH
V
IH
X
High Z/D
OUT
Output Disable
X
V
IH
X
V
IH
X
High Z
Product ID
V
IL
V
IL
V
IH
V
IH
A0 = V
IL
;
A1
A15 = V
IL
;
A9 = V
HH
Manufacturer Code
00DA (Hex)
V
IL
V
IL
V
IH
V
IH
A0 = V
IH
;
A1
A15 = V
IL
;
A9 = V
HH
Device Code
00AE (Hex)
Reset
X
X
X
V
IL
X
High Z
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| W29GL032C | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32M-BIT 3.0-VOLT PARALLEL FLASH MEMORY WITH PAGE MODE |
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