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參數(shù)資料
| 型號(hào)： | F49B002UA |
| 廠商： | Elite Semiconductor Memory Technology Inc. |
| 英文描述： | 2 Mbit (256K x 8) 5V Only CMOS Flash Memory |
| 中文描述： | 2兆位（256K × 8）5V的只有閃存的CMOS |
| 文件頁(yè)數(shù)： | 4/33頁(yè) |
| 文件大?。?/td> | 335K |
| 代理商： | F49B002UA |
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EFS T
F49B002UA
Elite Flash Storage Technology Inc.
Publication Date : Sep. 2006
Revision: 1.4 4/33
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 F49B002UA features
various bus operations as Table 2.
Table 2. F49B002UA Operation Modes Selection
ADDRESS
A8
|
A7
AIN
DESCRIPTION
CE
OE
WE
A17
|
A13
A12
|
A10
A9
A6
A5
|
A2
A1 A0
DQ0~DQ7
Read
L
L
H
Dout
Write
L
H
L
AIN
DIN
Output Disable
L
H
H
H
X
High Z
Standby
X
X
X
High Z
Auto-select
See Table 3
Notes:
1.
L= Logic Low = V
IL
, H= Logic High = V
IH
, X= Don't Care, SA= Sector Address, AIN= Address In, DIN = Data In,
Dout = Data Out.
Table 3. F49B002UA Auto-Select Mode (High Voltage Method)
ADDRESS
DQ0~DQ7
DESCRIPTION
CE
OE
WE
A17
|
A13
A12
|
A10
A9
A8
|
A4
A6
A3
A2
A1
A0
L
L
H
X
X
V
ID
X
X
L
H
L
L
7FH
L
L
H
X
X
V
ID
X
X
H
L
L
L
7FH
L
L
H
X
X
V
ID
X
X
H
H
L
L
7FH
(Manufacturer ID:EFST)
L
L
H
X
X
V
ID
X
X
L
L
L
L
8CH
(Device ID: F49B002UA)
L
L
H
X
X
V
ID
X
X
L
L
L
H
00H
Notes :
1.Manufacturer and device codes may also be accessed via the software command sequence in Table 4.
2. V
ID
=11.5V to 12.5V.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| F49B002UA-70D | 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:2 Mbit (256K x 8) 5V Only CMOS Flash Memory |
| F49B002UA-70N | 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:2 Mbit (256K x 8) 5V Only CMOS Flash Memory |
| F49L004BA | 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-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 |
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