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AR0141CS View Datasheet(PDF) - ON Semiconductor

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AR0141CS
ON-Semiconductor
ON Semiconductor ON-Semiconductor
AR0141CS Datasheet PDF : 48 Pages
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AR0141CS
PowerDown Sequence
The recommended powerdown sequence for the
AR0141CS is shown in Figure 50. The available power
supplies (VDD_IO, VDD, VDD_SLVS, VDD_PLL, VAA,
VAA_PIX) must have the separation specified below.
1. Disable streaming if output is active by setting
standby R0x301a[2] = 0
2. The soft standby state is reached after the current
row or frame, depending on configuration, has
ended
3. Turn off VDD_SLVS
4. Turn off VDD
5. Turn off VDD_IO
6. Turn off VAA/VAA_PIX
7. Turn off VDD_PLL
VDD_SLVS (0.4)
t0
VDD (1.8)
t1
VDD_IO (1.8/2.8)
VAA_PIX
VAA (2.8)
VDD_PLL (2.8)
t2
t3
EXTCLK
t4
Power Down until next Power Up Cycle
Figure 50. Power Down
Table 37. POWERDOWN SEQUENCE
Definition
Symbol
Minimum
Typical
Maximum
Unit
VDD_SLVS to VDD
t0
0
μs
VDD to VDD_IO
t1
0
μs
VDD_IO to VAA/VAA_PIX
t2
0
μs
VAA/VAA_PIX to VDD_PLL
t3
0
μs
PwrDn until Next PwrUp Time
t4
100
ms
1. t4 is required between power down and next power up time; all decoupling caps from regulators must be completely discharged.
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