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參數資料
| 型號： | W49F020P-90B |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 256K X 8 CMOS FLASH MEMORY |
| 中文描述： | 256K X 8 FLASH 5V PROM, 90 ns, PQCC32 |
| 封裝： | PLASTIC, LCC-32 |
| 文件頁數： | 5/21頁 |
| 文件大小： | 190K |
| 代理商： | W49F020P-90B |
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PDF資料 |
PDF描述 |
|---|---|
| W49F020-70 | Circular Connector; Body Material:Aluminum; Series:PT07; No. of Contacts:8; Connector Shell Size:12; Connecting Termination:Crimp; Circular Shell Style:Jam Nut Receptacle; Circular Contact Gender:Pin; Insert Arrangement:12-8 |
| W49F020Q-70B | 256K X 8 CMOS FLASH MEMORY |
| W49F020Q-90 | 256K X 8 CMOS FLASH MEMORY |
| W49F020Q-90B | 256K X 8 CMOS FLASH MEMORY |
| W49F102Q40 | 64K X 16 CMOS FLASH MEMORY |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W49F020Q-70 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W49F020Q-70B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W49F020Q-90 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W49F020Q-90B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W49F020T-70B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM |
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