AK6001AF データシートの表示（PDF） - Asahi Kasei Microdevices
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AK6001AF Datasheet PDF : 18 Pages
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ASAHI KASEI
[AK6002A/04A/08A]
(3)AC Electrical Characteristics
(-40CTa85C, 2.7VVCC5.5V unless otherwise specified)
Parameter
Symbol
Condition
Min.
Max.
Unit
SCL Clock Frequency
fSCL
100
KHz
Noise Suppression Time
tI
Constant at SCL,SDA
*5
100
ns
SCL Low to SDA Data
tAA
Out Valid : SDA
0.3
3.5
us
Time the Bus Must be Free
before a New Transmission
can start
tBUF
4.7
us
Start Condition Hold Time
tHD:STA
4.0
us
Clock Low Period
tLOW
4.7
us
Clock High Period
tHIGH
4.0
us
Start Condition Setup Time
tSU:STA
4.7
us
Data in Hold Time
tHD:DAT
0
us
Data in Setup Time
tSU:DAT
250
ns
SDA and SCL Rise Time
tR
*5
1.0
us
SDA and SCL Fall Time
tF
*5
0.3
us
Stop Condition Setup Time
tSU:STO
4.7
us
Data Out Hold Time
tDH
300
ns
Write Cycle Time
tWR
*4
10
ms
*4: The write cycle time (tWR) is the time from a valid stop condition of a write
sequence to the end of the internal program cycle.
Since the device will not acknowledge during the internal program cycle, this can be
used to determine when the cycle is complete. This feature (ACK polling) can be
used to maximize bus troughtput.
*5: The parameter is periodically sampled and not 100% tested.
AC Conditions of Test
Input Pulse Levels
Input Rise and
Fall Times
Output Timing Level
0.1VCC 0.9VCC
10ns
0.5VCC
Equivalent AC Load Circuit
DAI01E-01
- 13 -
1999/10
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