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AK7451 Datasheet, PDF (8/32 Pages) Asahi Kasei Microsystems – zero latency angle sensor ic
[AK7451]
10. Serial Interface Characteristics
Table 7. Serial I/F DC Characteristics
Conditions : Ta=-40 to 125ºC, VDD=4.5 to 5.5V
Parameter
Symbol
PIN
Conditions
Input High
Level
VHSI
CS,SCLK,
MOSI
Input Low
Level
VLSI
CS,SCLK,
MOSI
Input Current
ISI
CS,SCLK,
MOSI
Output Current
Output High
Level
ISO
VHSO
MISO
MISO
ISO=1mA (source)
Output Low
Level
VLSO
MISO
ISO=1mA (sink)
Output Load
Capacity
CSO
MISO
Min.
0.7VDD
-10
-1
0.8VDD
-0.3
Typ.
Max.
0.3VDD
+10
1
0.2VDD
100
Unit
V
V
µA
mA
V
V
pF
Table 8. Serial I/F AC Characteristics
Conditions : Ta=-40 to 125ºC, VDD=4.5 to 5.5V
Parameter
Symbol Min
Typ.
Max
Unit
Time from fall of CS to start of
CLK
Necessary Time from end of
SCLK to rise of CS
Set-up time of input data
Hold time of input data
Time to fix output data
Time from rise of CS to Hi-Z of
MISO
Transition time from 0.2VDD to
0.8VDD of output data
Transition time from 0.8VDD to
0.2VDD of output data
SCLK High time
SCLK Low time
SCLK Rise time (Note 4)
SCLK Fall time (Note 4)
t1
100
t2
100
t3
70
t4
70
t5
t6
0
t7
t8
t9
200
t10
200
t11
t12
ns
ns
ns
ns
150
ns
500
ns
100
ns
100
ns
ns
ns
30
ns
30
ns
Idle time in writing register
t13
2.5
µs
Idle time in writing EEPROM
SCLK Frequency
t13
5
-
0.001
ms
2000
kHz
Notes
Note 4. These parameters are not tested at mass production.
016006637-E-00
-8-
2016/05