33889 datasheet(2/60 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33889

DEVICE VARIATIONS

Table 1. Device Variations Between the 33889D and 33889B Versions (1)

Parameters

Symbol

Trait

Device Part Number

MC33889B(2)

MC33889D(2)

Differential Receiver, Recessive To Dominant Threshold

(By Definition, VDIFF = VCANH-VCANL)

VDIFF1

Min

3.2 V

3.5 V

Typ

2.6 V

3.0 V

Max

2.1 V

2.5 V

Differential Receiver, Dominant To Recessive Threshold

(Bus Failures 1, 2, 5)

VDIFF2

Min

3.2 V

3.5 V

Typ

2.6 V

3.0 V

Max

2.1 V

2.5 V

CANH Output Current (VCANH = 0; TX = 0.0)

ICANH

Min

50 mA

Typ

75 mA

100 mA

Max

110 mA

130 mA

CANL Output Current (VCANL = 14 V; TX = 0.0)

ICANL

Min

50 mA

Typ

90 mA

140 mA

Max

135 mA

170 mA

Detection threshold for Short circuit to Battery voltage

Vcanh

max

Vsup/2 + 5V

Vsup/2 + 4.55V

loop time Tx to Rx, no bus failure, ISO configuration

tLOOPRD

max

N/A

1.5us

loop time Tx to Rx, with bus failure, ISO configuration

tLOOPRD-F

max

N/A

1.9us

loop time Tx to Rx, with bus failure and +-1.5V gnd shift,

5 node network, ISO configuration

tLOOPRD/DR-F+GS

N/A

3.6us

Minimum Dominant time for Wake up on CANL or CANH

(Tem Vbat mode)

tWAKE

min

N/A

typ

max

N/A

T2SPI timing

T2spi

min

not specified, 25us

spec applied

25us

DEVICE BEHAVIOR

CANH or CANL open wire recovery principle

Reference MC33889B: on page

after 4 non

consecutive pulses

after 4 consecutive

pulses

Rx behavior in TermVbat mode

Reference MC33889D: on page

Rx recessive, no pulse Rx recessive, dominant

pulse to signal bus

traffic

Notes

This datasheet uses the term 33889 in the inclusive sense, referring to both the D version (33889D) and the B version (33689B).

The 33889D and 33889B versions are nearly identical. However, where variations in characteristic occur, these items will be separated

onto individual lines.

33889 Datasheet(PDF) 2 Page - Freescale Semiconductor, Inc

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