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參數(shù)資料
| 型號： | 24C256 |
| 廠商： | Atmel Corp. |
| 英文描述： | 2-Wire Serial EEPROMs |
| 中文描述： | 2線串行EEPROM |
| 文件頁數(shù)： | 3/15頁 |
| 文件大小： | 225K |
| 代理商： | 24C256 |
AT24C128/256
3
Pin Capacitance
(1)
Applicable over recommended operating range from T
A
= 25
°
C, f = 1.0 MHz, V
CC
= +1.8V.
Note:
This parameter is characterized and is not 100% tested.
DC Characteristics
Applicable over recommended operating range from: T
AI
= -40
°
C to +85
°
C, V
CC
= +1.8V to +5.5V, T
AC
= 0
°
C to +70
°
C,
V
CC
= +1.8V to +5.5V (unless otherwise noted).
Note:
V
IL
min and V
IH
max are reference only and are not tested
Symbol
Test Condition
Max
Units
Conditions
C
I/O
Input/Output Capacitance (SDA)
8
pF
V
I/O
= 0V
C
IN
Input Capacitance (A
0
, A
1
, SCL)
6
pF
V
IN
= 0V
Symbol
Parameter
Test Condition
Min
Typ
Max
Units
V
CC1
Supply Voltage
1.8
3.6
V
V
CC2
Supply Voltage
2.7
5.5
V
V
CC3
Supply Voltage
4.5
5.5
V
I
CC1
Supply Current
V
CC
= 5.0V
READ at 400 kHz
1.0
2.0
mA
I
CC2
Supply Current
V
CC
= 5.0V
WRITE at 400 kHz
2.0
3.0
mA
I
SB1
Standby Current
(1.8V option)
V
CC
= 1.8V
V
IN
= V
CC
or V
SS
0.2
μ
A
V
CC
= 3.6V
2.0
I
SB2
Standby Current
(2.7V option)
V
CC
= 2.7V
V
IN
= V
CC
or V
SS
0.5
μ
A
V
CC
= 5.5V
6.0
I
SB3
Standby Current
(5.0V option)
V
CC
= 4.5 - 5.5V
V
IN
= V
CC
or V
SS
6.0
μ
A
I
LI
Input Leakage Current
V
IN
= V
CC
or
V
SS
0.10
3.0
μ
A
I
LO
Output Leakage Current
V
OUT
= V
CC
or
V
SS
0.05
3.0
μ
A
V
IL
Input Low Level
(Note:)
-0.6
V
CC
x 0.3
V
V
IH
Input High Level
(Note:)
V
CC
x 0.7
V
CC
+ 0.5
V
V
OL2
Output Low Level
V
CC
= 3.0V
I
OL
= 2.1 mA
0.4
V
V
OL1
Output Low Level
V
CC
= 1.8V
I
OL
= 0.15 mA
0.2
V
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