AK8456 Datasheet, PDF (15/32 Pages) Asahi Kasei Microsystems – 3 channel input 16bit 30MSPS Video ADC with LED driver

 Serial Interface Switching Characteristics
Sf
SDENB
0.7AVDD
0.3AVDD
Ssu
Sf Sr Shi Slo
SCLK
Ssu Sh
Scyc
SDATA
0.7AVDD
0.3AVDD
input
input
output
Sst
Fig.14 Serial Interface Timing
[AK8456]
Sr ^Sdenh
Sh2
0.7AVDD
0.3AVDD
output
Sdl
Ssp
0.8AVDD
0.2AVDD
(Unless otherwise specified, AVDD=OVDD=3.0V~3.6V, Ta=0~70C, C_L=10pF)
Item
Symbol Condition
min. typ. max.
Clock Cycle
Scyc
10
Clock High Width
Shi
Above 70% of AVDD 40
Clock Low Width
Slo
Under 30% of AVDD 40
Setup Time
Ssu
40
(to SCLK)
Hold Time
Sh
40
(to SCLK)
SDENB Hold Time
Sh2
80
(to SCLK)
Data Enable Delay
Sst
High-Z→Data Out
0
30
(to SCLK)
Data Output Delay
Sdl
(to SCLK)
0
30
Data Disable Delay
Ssp
Data Out→High-Z
0
30
(to SDENB)
SDENB High Width
Sdenh Above 70% of AVDD 40
Rise Time
Sr
30%70% of AVDD
10
Fall Time
Sf
70%30% of AVDD
10
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
014002433-E-00
- 15 -
2014/06