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參數(shù)資料
型號(hào): W49F020
廠商: WINBOND ELECTRONICS CORP
英文描述: 256K X 8 CMOS FLASH MEMORY
中文描述: 256K × 8的CMOS閃存
文件頁(yè)數(shù): 5/21頁(yè)
文件大?。?/td> 190K
代理商: W49F020
Preliminary W49F020
Publication Release Date: October 1999
- 5 -
Revision A1
TABLE OF OPERATING MODES
Operating Mode Selection
(V
HH
= 12V
±
5
%
)
MODE
PINS
CE
V
IL
V
IL
V
IH
X
X
X
V
IL
OE
V
IL
V
IH
X
V
IL
X
V
IH
V
IL
WE
V
IH
V
IL
X
X
V
IH
X
V
IH
ADDRESS
DQ.
Read
Write
Standby
Write Inhibit
Output Disable
Product ID
A
IN
A
IN
X
X
X
X
A0 = V
IL
; A1
A17 = V
IL
;
A9 = V
HH
A0 = V
IL
; A1
A17 = V
IL
;
A9 = V
HH
Dout
Din
High Z
High Z/D
OUT
High Z/D
OUT
High Z
Manufacturer Code DA (Hex)
V
IL
V
IL
V
IH
Device Code 8C (Hex)
TABLE OF COMMAND DEFINITION
COMMAND
NO. OF 1ST CYCLE 2ND CYCLE 3RD CYCLE 4TH CYCLE 5TH CYCLE 6TH CYCLE
DESCRIPTION
Read
Chip Erase
Byte Program
Boot Block Lockout
Product ID Entry
Product ID Exit
(1)
Product ID Exit
(1)
Cycles
Addr. Data
Addr. Data
Addr. Data
Addr. Data
Addr. Data
Addr. Data
1
6
4
6
3
3
1
A
IN
D
OUT
5555 AA
5555 AA
2AAA 55
2AAA 55
5555 80
5555 A0
5555 AA
A
IN
D
IN
2AAA 55
2AAA 55
5555 10
5555 40
5555 AA
2AAA 55
5555 80
5555 AA
5555 AA
2AAA 55
5555 90
5555 AA
2AAA 55
5555 F0
XXXX F0
Notes:
1. Address Format: A14
A0 (Hex); Data Format: DQ7-DQ0 (Hex)
2. Either one of the two Product ID Exit commands can be used.
相關(guān)PDF資料
PDF描述
W49F020-70B 256K X 8 CMOS FLASH MEMORY
W49F020-90 256K X 8 CMOS FLASH MEMORY
W49F020-90B 256K X 8 CMOS FLASH MEMORY
W49F020P-70 256K X 8 CMOS FLASH MEMORY
W49F020P-70B 256K X 8 CMOS FLASH MEMORY
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W49F020-70 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY
W49F020-70B 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY
W49F020-90 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY
W49F020-90B 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY
W49F020P-70 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY