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參數資料
| 型號： | F49L004BA |
| 廠商： | Elite Semiconductor Memory Technology Inc. |
| 英文描述： | 4 Mbit (512K x 8) 3V Only CMOS Flash Memory |
| 中文描述： | 4兆位（為512k × 8）3V時僅閃存的CMOS |
| 文件頁數： | 5/46頁 |
| 文件大小： | 371K |
| 代理商： | F49L004BA |
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EFS T
preliminary
F49L004UA / F49L004BA
Elite Flash Storage Technology Inc.
Publication Date : Aug. 2003
Revision: 0.2 5/46
7. FUNCTIONAL DESCRIPTION
7.1 Device operation
This section describes the requirements and use
of the device bus operations, which are initiated
through the internal command register. The
register is composed of latches that store the
command, address and data information needed
to execute the command. The contents of the
register serve as inputs to the internal state
machine. The state machine outputs dictate the
function of the device. The F49L004UA/
F49L004BA features various bus operations as
Table 3.
Table 3. F49L004UA/F49L004BA Operation Modes Selection
ADDRESS
A8
|
A7
DESCRIPTION
CE
OE WE
RESET
A18
|
A13
A12
|
A10
A9
A6
A5
|
A2
A1 A0
DQ0~DQ7
Reset(3)
X
X
X
L, Vss
±
0.3V(4)
X
High Z
Read
L
L
H
H
AIN
Dout
Write
L
H
L
H
AIN
DIN
Output Disable
L
H
H
H
X
High Z
Standby
V
±
0.3V
X
X
V
±
0.3V
X
High Z
Sector Protect(2)
L
H
L
V
ID
SA
X
X
X
L
X
H
L
DIN
Sector Unprotect(2)
L
H
L
V
ID
SA
X
X
X
H
X
H
L
DIN
Temporary sector unprotect
X
X
X
V
ID
AIN
DIN
Auto-select
See Table 4
Notes:
1.
L= Logic Low = V
, H= Logic High = V
, X= Don't Care, SA= Sector Address, V
ID
=11.5V to 12.5V.
AIN= Address In, DIN = Data In, Dout = Data Out.
2. The sector protect and unprotect functions may also be implemented via programming equipment.
3.
ESET
R
pin for 40-TSOP package type only.
4. See “Reset Mode” section.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| F49L004BA-70N | 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:4 Mbit (512K x 8) 3V Only CMOS Flash Memory |
| F49L004BA-70T | 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:4 Mbit (512K x 8) 3V Only CMOS Flash Memory |
| F49L004BA-90N | 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:4 Mbit (512K x 8) 3V Only CMOS Flash Memory |
| F49L004BA-90T | 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:4 Mbit (512K x 8) 3V Only CMOS Flash Memory |
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