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24AA01/24LC01B
TABLE 1-2:
AC CHARACTERISTICS
AC CHARACTERISTICS
Industrial (I): T A = -40°C to +85°C, V CC = +1.7V to +5.5V
Automotive (E): T A = -40°C to +125°C, V CC = +2.5V to +5.5V
Param.
No.
1
Sym.
F CLK
Characteristic
Clock frequency
Min.
—
Typ.
—
Max.
400
Units
kHz
Conditions
2.5V ≤ V CC ≤ 5.5V
—
—
100
1.7V ≤ V CC < 2.5V (24AA01)
2
T HIGH
Clock high time
600
—
—
ns
2.5V ≤ V CC ≤ 5.5V
4000
—
—
1.7V ≤ V CC < 2.5V (24AA01)
3
4
T LOW
T R
Clock low time
SDA and SCL rise time
1300
4700
—
—
—
—
—
—
300
ns
ns
2.5V ≤ V CC ≤ 5.5V
1.7V ≤ V CC < 2.5V (24AA01)
2.5V ≤ V CC ≤ 5.5V
(Note 1)
—
—
1000
1.7V ≤ V CC < 2.5V (24AA01)
5
T F
SDA and SCL fall time
—
—
300
ns
(Note 1)
—
6
7
T HD : STA
T SU : STA
Start condition hold time
Start condition setup
600
4000
600
—
—
—
—
—
—
ns
ns
2.5V ≤ V CC ≤ 5.5V
1.7V ≤ V CC < 2.5V (24AA01)
2.5V ≤ V CC ≤ 5.5V
time
4700
—
—
1.7V ≤ V CC < 2.5V (24AA01)
8
T HD : DAT
Data input hold time
0
—
—
ns
(Note 2)
—
9
10
T SU : DAT
T SU : STO
Data input setup time
Stop condition setup
100
250
600
—
—
—
—
—
—
ns
ns
2.5V ≤ V CC ≤ 5.5V
1.7V ≤ V CC < 2.5V (24AA01)
2.5V ≤ V CC ≤ 5.5V
time
4000
—
—
1.7V ≤ V CC < 2.5V (24AA01)
11
T AA
Output valid from clock
—
—
900
ns
2.5V ≤ V CC ≤ 5.5V
(Note 2)
—
—
3500
1.7V ≤ V CC < 2.5V (24AA01)
12
T BUF
Bus free-time: Time the
bus must be free before
1300
4700
—
—
—
—
ns
2.5V ≤ V CC ≤ 5.5V
1.7V ≤ V CC < 2.5V (24AA01)
a new transmission can
start
13
T OF
Output fall time from V IH
20+0.1C B
—
250
ns
2.5V ≤ V CC ≤ 5.5V
minimum to V IL
—
—
250
1.7V ≤ V CC < 2.5V (24AA01)
maximum
14
T SP
Input filter spike
—
—
50
ns
(Notes 1 and 3)
suppression
(SDA and SCL pins)
15
T WC
Write cycle time
—
—
5
ms
—
(byte or page)
16
—
Endurance
1M
—
—
cycles 25°C, (Note 4)
Note 1:
2:
3:
4:
Not 100% tested. C B = total capacitance of one bus line in pF.
As a transmitter, the device must provide an internal minimum delay time to bridge the undefined region
(minimum 300 ns) of the falling edge of SCL to avoid unintended generation of Start or Stop conditions.
The combined T SP and V HYS specifications are due to new Schmitt Trigger inputs which provide improved
noise spike suppression. This eliminates the need for a T I specification for standard operation.
This parameter is not tested but ensured by characterization. For endurance estimates in a specific
application, please consult the Total Endurance? Model which can be obtained from Microchip’s web site
at www.microchip.com.
? 2009 Microchip Technology Inc.
DS21711J-page 3
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