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24C01C
TABLE 1-2:
AC CHARACTERISTICS
Electrical Characteristics:
AC CHARACTERISTICS
Industrial (I): V CC = +4.5V to 5.5V
Automotive (E): V CC = +4.5V to 5.5V
T A = -40°C to +85°C
T A = -40°C to +125°C
Param.
No.
1
Sym.
F CLK
Characteristic
Clock frequency
Min.
—
Max.
100
Units
kHz
—
Conditions
—
400
(I-temp)
2
T HIGH
Clock high time
4000
—
ns
—
600
—
(I-temp)
3
T LOW
Clock low time
4700
—
ns
—
1300
—
(I-temp)
4
T R
SDA and SCL rise time
—
1000
ns
—
( Note 1 )
—
300
(I-temp)
5
T F
SDA and SCL fall time
—
300
ns
—
( Note 1 )
6
T HD : STA Start condition hold time
4000
—
ns
—
600
—
(I-temp)
7
T SU : STA Start condition setup time
4700
—
ns
—
600
—
(I-temp)
8
9
T HD : DAT Data input hold time
T SU : DAT Data input setup time
0
250
—
—
ns
ns
( Note 2 )
—
100
—
(I-temp)
10
T SU : STO Stop condition setup time
4000
—
ns
—
600
—
(I-temp)
11
T AA
Output valid from clock
—
3500
ns
—
( Note 2 )
—
900
(I-temp)
12
T BUF
Bus free time: Time the bus
4700
—
ns
—
must be free before a new
1300
—
(I-temp)
transmission can start
13
T OF
Output fall time from V IH
10 + 0.1CB
250
ns
( Note 1 )
minimum to V IL maximum
C B ? 100 pF
14
T SP
Input filter spike suppression
—
50
ns
( Note 3 )
(SDA and SCL pins)
15
T WC
Write cycle time (byte or
—
1.5
ms
—
page)
1
(I-temp)
16
—
Endurance
1,000,000
—
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.
? 1997-2012 Microchip Technology Inc.
DS21201K-page 3
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