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參數(shù)資料
| 型號(hào)： | AT29BV020-35 |
| 廠商： | Atmel Corp. |
| 英文描述： | 2 Megabit 256K x 8 Single 2.7-volt Battery-Voltage CMOS Flash Memory |
| 中文描述： | 2兆位256K × 8單2.7伏電池電壓的CMOS閃存 |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大?。?/td> | 489K |
| 代理商： | AT29BV020-35 |
1. After power is applied and V
CC
is at the minimum specified data sheet value, the system should wait 20 ms before an
operational mode is started.
Operating Modes
Mode
Read
Program
(2)
Standby/Write Inhibit
Program Inhibit
Program Inhibit
Output Disable
Product Identification
CE
V
IL
V
IL
V
IH
X
X
X
OE
V
IL
V
IH
X
(1)
X
V
IL
V
IH
WE
V
IH
V
IL
X
V
IH
X
X
Ai
Ai
Ai
X
I/O
D
OUT
D
IN
High Z
High Z
Hardware
V
IL
V
IL
V
IH
A1 - A17 = V
IL
, A9 = V
H
(3)
,
A0 = V
IL
A1 - A17 = V
IL
, A9 = V
H
(3)
,
A0 = V
IH
A0 = V
IL,
A1 - A17 = V
IL
A0 = V
IH,
A1 - A17 = V
IL
Manufacturer Code
(4)
Device Code
(4)
Manufacturer Code
(4)
Device Code
(4)
Software
(5)
4. Manufacturer Code is 1F. The Device Code is BA.
5. See details under Software Product Identification Entry/Exit.
Notes: 1. X can be V
IL
or V
IH
.
2. Refer to AC Programming Waveforms.
3. V
H
= 12.0V
±
0.5V.
DC Characteristics
Symbol
Parameter
I
LI
Input Load Current
I
LO
Output Leakage Current
Condition
V
IN
= 0V to V
CC
V
I/O
= 0V to V
CC
Min
Max
1
1
20
50
1
15
0.6
Units
μ
A
μ
A
μ
A
μ
A
mA
mA
V
V
V
V
I
SB1
V
CC
Standby Current CMOS
CE = V
CC
- 0.3V to V
CC
Com.
Ind.
I
SB2
I
CC
V
IL
V
IH
V
OL
V
OH
V
CC
Standby Current TTL
V
CC
Active Current
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
CE = 2.0V to V
CC
f = 5 MHz; I
OUT
= 0 mA; V
CC
= 3.6V
2.0
I
OL
= 1.6 mA; V
CC
= 3.0V
I
OH
= -100
μ
A; V
CC
= 3.0V
0.45
2.4
DC and AC Operating Range
AT29BV020-25
0°C - 70°C
-40°C - 85°C
2.7V to 3.6V
AT29BV020-35
0°C - 70°C
-40°C - 85°C
2.7V to 3.6V
Operating
Temperature (Case)
V
CC
Power Supply
(1)
Com.
Ind.
BOOT BLOCK LOCKOUT DETECTION:
A software
method is available to determine whether programming of
either boot block section is locked out. See Software Prod-
uct Identification Entry and Exit sections. When the device
is in the software product identification mode, a read from
location 00002H will show if programming the lower ad-
dress boot block is locked out while reading location
FFFF2H will do so for the upper boot block. If the data is
FE, the corresponding block can be programmed; if the
data is FF, the program lockout feature has been activated
and the corresponding block cannot be programmed. The
software product identification exit mode should be used
to return to standard operation.
Device Operation
(Continued)
4-16
AT29BV020
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT29BV020-35JC | 2 Megabit 256K x 8 Single 2.7-volt Battery-Voltage CMOS Flash Memory |
| AT29BV020 | 256K x 8 Single 2.7-volt Battery-Voltage Flash Memory(256K x 8單電源2.7V Battery-Voltage技術(shù)閃速存儲(chǔ)器) |
| AT29BV040A | 4 Megabit 512K x 8 Single 2.7-volt Battery-Voltage CMOS Flash Memory |
| AT29BV040A-25 | 4 Megabit 512K x 8 Single 2.7-volt Battery-Voltage CMOS Flash Memory |
| AT29BV040A-25TC | 4 Megabit 512K x 8 Single 2.7-volt Battery-Voltage CMOS Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT29BV020-35JC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2 Megabit 256K x 8 Single 2.7-volt Battery-Voltage CMOS Flash Memory |
| AT29BV020-35JI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2 Megabit 256K x 8 Single 2.7-volt Battery-Voltage CMOS Flash Memory |
| AT29BV020-35TC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2 Megabit 256K x 8 Single 2.7-volt Battery-Voltage CMOS Flash Memory |
| AT29BV020-35TI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2 Megabit 256K x 8 Single 2.7-volt Battery-Voltage CMOS Flash Memory |
| AT29BV040A | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:4-megabit (512K x 8) Single 2.7-volt Battery-Voltage Flash Memory |
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