33399 datasheet(7/19 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33399

ELECTRICAL CHARACTERISTICS

DYNAMIC ELECTRICAL CHARACTERISTICS

Table 4. Dynamic Electrical Characteristics

Characteristics noted under conditions 7.0 V

≤ V

SUP ≤ 18 V, -40°C ≤ T

A ≤ 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

DIGITAL INTERFACE TIMING

LIN Slew Rate (6)

, (7)

Falling Edge

Rising Edge

tFALL

tRISE

0.75

2.0

3.0

µs

LIN Rise/Fall Symmetry (tRISE-tFALL)

tSYM

-2.0

—

2.0

µs

Driver Propagation Delay (8)

, (9)

TXD LOW-to-LIN LOW

TXD HIGH-to-LIN HIGH

tTXDLINL

tTXDLINH

0.0

—

4.0

µs

Receiver Propagation Delay (9)

, (10)

LIN LOW to RXD LOW

LIN HIGH to RXD HIGH

tRXDLINL

t RXDLINH

2.0

4.0

6.0

µs

Receiver Propagation Delay Symmetry

tRECSYM

-2.0

—

2.0

µs

Transmitter Propagation Delay Symmetry

tTRSYM

-2.0

—

2.0

µs

Propagation Delay (11)

LIN Bus Wake-Up to INH HIGH

tPROPWL

130

µs

Notess

Measured between 20 and 80 percent of bus signal for 10 V < VSUP < 18 V. Between 30 and 70 percent of signal for

7.0 V < VSUP < 10 V.

See Figure 5, page 8.

tTXDLINL is measured from TXD (HIGH-to-LOW) and LIN (VREC -0.2 V). tTXDLINH is measured from TXD (LOW-to-HIGH) and LIN

(VDOM + 0.2 V).

See Figure 4, page 8.

10.

Measured between LIN receiver thresholds and RXD pin.

11.

See Figure 6, page 8.

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