VS6955CA datasheet(76/90 Pages) STMICROELECTRONICS

76 / 90 page

Electrical characteristics

VS6955CA

76/90

DocID028071 Rev 2

10.4

AC electrical and timing characteristics

In this section, typical values are quoted for nominal voltage, process and temperature and

maximum values are quoted for worst case conditions (process, voltage and functional

temperature).

10.4.1

Power supply (peak current) - VDIG, VANA

The peak current (in-rush) consumption of the sensor module is defined as any current

pulse >= 10µs. The duty cycle of the peak to the low part of the current profile is 33% with a

worst-case period of 500 µs.

10.4.2

System clock - EXTCLK

VOL

Low level output voltage(1)

0.2*VDIG

VOH

High level output voltage

0.8*VDIG

VDIG

IIL

Low level input current

-10

µA

IIH

High level input current

µA

3 mA sink current.

Table 44. CCI interface (continued)

Symbol

Parameter

Minimum

Maximum

Unit

Table 45. In-rush current - VDIG, VANA (CSI-2)

Parameter

Digital

Analog

Unit

Typical

Maximum

Typical

Maximum

Boot clock peak current(1)

This corresponds to the transient current when the module is powered up and the sensor is being set to

SW_Standby mode. Maximum value is given for maximum supply voltages and 70°C ambient temperature.

Typical value is for 25°C ambient temperature and supply voltages set to nominal value.

100

200

230

Start streaming current(2)

When the sensor is changed from software standby to streaming mode. Maximum value is given for

maximum supply voltages and 70°C ambient temperature. Typical value is for 25°C ambient temperature

and supply voltages set to nominal value.

100

200

210

Stop streaming current(3)

When the sensor is changed from streaming to software standby. Maximum value is given for maximum

supply voltages and 70°C ambient temperature. Typical value is for 25°C ambient temperature and supply

voltages set to nominal value.

105

100

140

Table 46. System clock

Symbol

Parameter

Minimum

Maximum

Unit

VCL

DC coupled square wave low level

-0.5

0.3*VDIG

VCH

DC coupled square wave high level

0.7*VDIG

VDIG+0.5

fEXTCLK

Clock frequency input

6.0 - 1%(1)

Nominal frequencies are 6.0 to 27 MHz with a 1% centre frequency tolerance.

27 + 1%(1)

MHz

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