MC33661D データシートの表示（PDF） - Freescale Semiconductor

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MC33661D

Local Area Network (LIN) Enhanced Physical Interface with Selectable Slew Rate

Freescale Semiconductor 

ELECTRICAL CHARACTERISTICS

DYNAMIC ELECTRICAL CHARACTERISTICS

DYNAMIC ELECTRICAL CHARACTERISTICS

Table 4. 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 MODE

Dominant Propagation Delay Time TXD to LIN (6)

Measurement Threshold (50% TXD to 58.1% VSUP)

Measurement Threshold (50% TXD to 28.4% VSUP)

Recessive Propagation Delay Time TXD to LIN (6)

Measurement Threshold (50% TXD to 42.2% VSUP)

Measurement Threshold (50% TXD to 74.4% VSUP)

µs

t DOM (MIN)

—

—

50

t DOM (MAX)

—

—

50

µs

t REC (MIN)

—

—

50

t REC (MAX)

—

—

50

Propagation Delay Time Symmetry

t DOM (MIN) to t REC (MAX)

t DOM (MAX) to t REC (MIN)

µs

dt1

- 10.44

—

dt2

- 10.44

—

8.12

8.12

LIN OUTPUT TIMING CHARACTERISTICS FOR SLOW MODE

Dominant Propagation Delay Time TXD to LIN (6)

Measurement Threshold (50% TXD to 61.6% VSUP)

Measurement Threshold (50% TXD to 25.1% VSUP)

Recessive Propagation Delay Time TXD to LIN (6)

Measurement Threshold (50% TXD to 38.9% VSUP)

Measurement Threshold (50% TXD to 77.8% VSUP)

t DOM (MIN)

—

t DOM (MAX)

—

t REC (MIN)

—

t REC (MAX)

—

µs

—

100

—

100

µs

—

100

—

100

Propagation Delay Time Symmetry

t DOM (MIN) to t REC (MAX)

t DOM (MAX) to t REC (MIN)

µs

dt1S

- 21.88

—

dt 2S

- 21.88

—

17.44

17.44

LIN OUTPUT DRIVER FAST MODE

LIN Fast Slew Rate (Programming Mode)

Fast Slew Rate

dv/dt fast

V/µs

—

15

—

LIN PIN

Overcurrent Shutdown Delay Time (7)

LIN RECEIVER CHARACTERISTICS

Receiver Dominant Propagation Delay Time (8)

LIN LOW to RXD LOW

Receiver Recessive Propagation Delay Time (8)

LIN HIGH to RXD HIGH

t OV-DELAY

—

10

—

µs

t RL

µs

—

3.5

6.0

t RH

µs

—

3.5

6.0

Receiver Propagation Delay Time Symmetry

t RL - t RH

t R-SYM

µs

- 2.0

—

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 This parameter is guaranteed by design; however, it is not production tested.

8 Measured between LIN signal threshold VLINL or VLINH and 50% of RXD signal.

Analog Integrated Circuit Device Data

Freescale Semiconductor

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