AR0141CS datasheet(60/64 Pages) ONSEMI

60 / 64 page

AR0141CS/D Rev. 6, 4/16 EN

©Semiconductor Components Industries, LLC, 2016.

AR0141CS: 1/4-Inch Digital Image Sensor

Electrical Specifications

Figure 49:

Power Up

Notes:

1. Xtal settling time is component-dependent, usually taking about 10 – 100 ms.

2. Hard reset time is the minimum time required after power rails are settled. In a circuit where Hard

reset is held down by RC circuit, then the RC time must include the all power rail settle time and

Xtal settle time.

3. It is critical that VDD_PLL is not powered up after the other power supplies. It must be powered

before or at least at the same time as the others. If the case happens that VDD_PLL is powered after

other supplies then sensor may have functionality issues and will experience high current draw on

this supply.

Table 36:

Power-Up Sequence

Definition

Symbol

Minimum

Typical

Maximum

Unit

VDD_PLL to VAA/VAA_PIX3

100

–

s

VAA/VAA_PIX to VDD_IO

100

–

s

VDD_IO to VDD

100

–

s

VDD to VDD_SLVS

100

–

s

Xtal settle time

–

301

–ms

Hard Reset

––

Internal Initialization

1800

–

EXTCLK

OTPM loading

185135

–

EXTCLK

PLL Lock Time

–

VDD_P LL (2.8)

VAA_P IX

VAA(2.8)

VDD_IO(1.8/2.8)

VDD(1.8)

VDD_S LV S (0.4)

EXT C LK

R E SET _BAR

Hard

reset

Internal

initialization

Softw are

Standby

R0 x304 A

=0x0010

OT P M

Initialization

S etting

Stream ing

PLL

Lock

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