參數(shù)資料
型號(hào): 24C21
廠商: Atmel Corp.
英文描述: DIODE ZENER 5.6V 120MW SSSMINI2
中文描述: 2線串行EEPROM
文件頁(yè)數(shù): 3/13頁(yè)
文件大?。?/td> 252K
代理商: 24C21
AT24C21
3
Note:
1. V
IL
min and V
IH
max are for reference only and not tested.
Pin Capacitance
(1)
Applicable over recommended operating range from T
A
= 25
°
C, f = 1.0 MHz, V
CC
= +1.8V.
Note:
1. This parameter is characterized and is not 100% tested.
DC Characteristics
Applicable over recommended operating range from: T
AI
= -40
°
C to +85
°
C, T
AC
= 0
°
C to +70
°
C, V
CC
= +2.5V to +5.5V
(unless otherwise noted).
Symbol
Parameter
Test Condition
Min
Typ
Max
Units
V
CC
Supply Voltage
2.5
5.5
V
I
CC
Supply Current V
CC
= 5.0V
READ at 100 KHz
0.4
1.0
mA
I
CC
Supply Current V
CC
= 5.0V
WRITE at 100 KHz
2.0
3.0
mA
I
SB
Standby Current .......V
CC
= 2.5V
.......V
CC
= 5.0V
V
IN
= V
CC
or V
SS
V
IN
= V
CC
or V
SS
3.0
12.0
4.0
30.0
μ
A
μ
A
I
LI
Input Leakage Current
V
IN
= V
CC
or V
SS
0.10
1.0
μ
A
I
LO
Output Leakage Current
V
OUT
= V
CC
or V
SS
0.05
1.0
μ
A
V
IL
Input Low Level
(1)
SCL, SDA Pin
Input Low Level VCLK Pin
V
CC
2.7V
V
CC
< 2.7V
-0.6
V
CC
×
0.3
0.8
0.2
×
V
CC
V
V
V
V
IH
Input High Level
(1)
SCL, SDA Pin
Input High Level VCLK Pin
V
CC
×
0.7
2.0
V
CC
+ 0.5
V
V
V
OL
Output Low Level V
CC
= 3.0V
I
OL
= 2.1 mA
0.40
V
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
, A
2
, SCL, VCLK)
6
pF
V
IN
= 0V
Transmit-Only Mode
Symbol
Parameter
2.5-volt
Units
Min
Max
T
VAA
Output valid from VCLK
500
ns
T
VHIGH
VCLK high-time
4.0
μ
s
T
VLOW
VCLK low-time
4.7
μ
s
T
VHZ
Mode transition time
500
ns
T
VPU
Transmit-Only power-up time
0
ns
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