33661 데이터 시트보기 (PDF) - Motorola => Freescale

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33661

LIN Enhanced Physical Interface

Motorola => Freescale 

Freescale Semiconductor, Inc.

DYNAMIC ELECTRICAL CHARACTERISTICS

Characteristics noted under conditions 7.0 V ≤ VSUP ≤ 18 V, -40°C ≤ TA ≤ 125°C, GND = 0 V unless otherwise noted. Typical values

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

Characteristic

Symbol

Min

Typ

Max

Unit

LIN OUTPUT TIMING CHARACTERISTICS FOR NORMAL SLEW RATE

Dominant Propagation Delay TXD to LIN (Note 6)

Measurement Threshold (50% TXD to 58.1% VSUP)

Measurement Threshold (50% TXD to 28.4% VSUP)

t DOM (MIN)

–

t DOM(MAX)

–

µs

–

50

–

50

Recessive Propagation Delay TXD to LIN (Note 6)

Measurement Threshold (50% TXD to 42.2% VSUP)

Measurement Threshold (50% TXD to 74.4% VSUP)

t REC (MIN)

–

t REC (MAX)

–

µs

–

50

–

50

Propagation Delay Symmetry

tDOM(MIN) to tREC(MAX)

tDOM(MAX) to tREC(MIN)

dt1

- 10.44

–

dt2

- 10.44

–

µs

8.12

8.12

LIN OUTPUT TIMING CHARACTERISTICS FOR SLOW SLEW RATE

Dominant Propagation Delay TXD to LIN (Note 6)

Measurement Threshold (50% TXD to 61.6% VSUP)

Measurement Threshold (50% TXD to 25.1% VSUP)

t DOM (MIN)

–

t DOM(MAX)

–

µs

–

100

–

100

Recessive Propagation Delay TXD to LIN (Note 6)

Measurement Threshold (50% TXD to 38.9% VSUP)

Measurement Threshold (50% TXD to 77.8% VSUP)

t REC (MIN)

–

t REC (MAX)

–

µs

–

100

–

100

Propagation Delay Symmetry

tDOM(MIN) to tREC(MAX)

tDOM(MAX) to tREC(MIN)

dt1S

- 21.88

–

dt 2S

- 21.88

–

µs

17.44

17.44

LIN OUTPUT DRIVER FAST SLEW RATE

LIN Fast Slew Rate (Programming Mode)

Fast Slew Rate

dv/dt fast

V/µs

–

15

–

LIN RECEIVER CHARACTERISTICS

Receiver Dominant Propagation Delay (Note 7)

LIN LOW to RXD LOW

t RL

µs

–

3.5

6.0

Receiver Recessive Propagation Delay (Note 7)

LIN HIGH to RXD HIGH

t RH

µs

–

3.5

6.0

Receiver Propagation Delay Symmetry

tRL - tRH

t R-SYM

- 2.0

–

µs

2.0

Notes

6. 7.0 V ≤ VSUP ≤ 18 V. Bus load R0 and C0: 1.0 nF/1.0 kΩ, 6.8 nF/660 Ω, 10 nF/500 Ω.

7. Measured between LIN signal threshold LIN-VIL or LIN-VIH and 50% of RXD signal.

MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA

For More Information On This Product,

Go to: www.freescale.com

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