33742 datasheet(18/65 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33742

ELECTRICAL CHARACTERISTICS

DYNAMIC ELECTRICAL CHARACTERISTICS

STATE MACHINE TIMING (CS, SCLK, MOSI, MISO, WDOG, INT) (CONTINUED)

Normal Request Mode Timeout

Normal Request Mode

tNRTOUT

308

350

392

Watchdog Period Stop Mode

Period 1

Period 2

Period 3

Period 4

tWD-STOP

6.82

31.5

245

9.75

100

350

12.7

58.5

130

455

Watchdog Period Accuracy

Normal and Standby Modes

Stop Mode

tACC

-12

-30

—

Cyclic Sense/FWU Timing Sleep and Stop Modes

Timing 1

Timing 2

Timing 3

Timing 4

Timing 5

Timing 6

Timing 7

Timing 8

tCSFWU

3.22

6.47

12.9

25.9

51.8

66.8

134

271

4.6

9.25

18.5

95.5

191

388

5.98

48.1

96.2

124

248

504

Cyclic Sense ON Time

Sleep and Stop Modes.

tON

200

350

500

µs

Cyclic Sense/FWU Timing Accuracy

Sleep and Stop Modes

tACC

-30

—

Delay Between SPI Command and HS Turn ON (32)

Normal or Standby Mode, VSUP > 9.0 V

tS-HSON

—

µs

Delay Between SPI Command and HS Turn OFF (32)

Normal or Standby Mode, VSUP > 9.0 V

tS-HSOFF

—

µs

Delay Between SPI and V2 Turn ON (32)

Standby Mode

tS-V2ON

9.0

—

µs

Delay Between SPI and V2 Turn OFF (32)

Normal Mode

tS-V2OFF

9.0

—

µs

Delay Between Normal Request and Normal Mode After Watchdog Trigger

Command (32)

Normal Request Mode

tS-NR2N

µs

Notes

32.

Delay starts at falling edge of clock cycle #8 of the SPI command and start of “Turn ON” or “Turn OFF” of HS or V2.

Table 6. Dynamic Electrical Characteristics (continued)

Characteristics noted under conditions 4.75 V

≤ V2 ≤ 5.25 V, 5.5 V ≤ VSUP ≤ 18 V, and -40°C ≤ TA ≤ 125°C. Typical values

noted reflect the approximate parameter mean at TA = 25°C under nominal conditions unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

33742 Datasheet(PDF) 18 Page - Freescale Semiconductor, Inc

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