English
Language : 

AK9753 Datasheet, PDF (11/50 Pages) Asahi Kasei Microsystems – IR Sensor IC with I2C I/F
[AK9753]
10.2.3. AC Characteristics (1): Standard Mode (100 kHz)
(Unless otherwise specified, VDD= 1.71 ~ 3.63V, DVDD= 1.65V ~ VDD, Ta= -30 ~ 85ºC)
Parameter
Symbol Min. Typ. Max. Unit
SCL frequency
fSCL
100
kHz
SDA bus idle time to the next
command input
fBUF
4.7
µs
Start condition Hold time
tHD:STA 4.0
µs
Clock Low period
tLOW
4.7
µs
Clock High period
tHIGH
4.0
µs
Start condition set-up time
tSU:STA 4.7
µs
Data hold time
tHD:DAT
0
µs
Data set-up time
tSU:DAT 250
ns
Rise time
SDA, SCL (* 10)
SDA pin,
SCL pin
tR
1.0
µs
Fall time
SDA, SCL (* 10)
SDA pin,
SCL pin
tF
0.3
µs
Stop condition set-up time
tSU:STO 4.0
µs
EEPROM write time
tWR
10
ms
Note:
* 10. Reference data only, not tested.
10.2.4. AC Characteristics (2): Fast Mode (400 kHz)
(Unless otherwise specified, VDD= 1.71 ~ 3.63V, DVDD= 1.65V ~ VDD, Ta= -30 ~ 85ºC)
Parameter
Symbol Min. Typ. Max. Unit
SCL frequency
fSCL
400
kHz
SDA bus idle time to the next
command input
fBUF
1.3
µs
Start condition Hold time
tHD:STA 0.6
µs
Clock Low period
tLOW
1.3
µs
Clock High period
tHIGH
0.6
µs
Start condition set-up time
tSU:STA 0.6
µs
Data hold time
tHD:DAT
0
µs
Data set-up time
tSU:DAT 100
ns
Rise time
SDA, SCL (* 11)
SDA pin,
SCL pin
tR
0.3
µs
Fall time
SDA, SCL (* 11)
SDA pin,
SCL pin
tF
0.3
µs
Stop condition set-up time
tSU:STO 0.6
µs
EEPROM write time
tWR
10
ms
Note:
* 11. Reference data only, not tested.
017005237-E-00
- 11 -
2017/04