TJF1051 datasheet(8/16 Pages) NXP

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TJF1051

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Product data sheet

Rev. 01 — 10 August 2010

8 of 16

NXP Semiconductors

TJF1051

High-speed CAN transceiver

11. Dynamic characteristics

Table 7.

Dynamic characteristics

Tamb = −40 °C to +85 °C; VCC = 4.5 V to 5.5 V; RL =60 Ω unless specified otherwise. All voltages are defined with respect to

ground. Positive currents flow into the IC.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Transceiver timing; pins CANH, CANL, TXD and RXD; see Figure 4 and Figure 5

td(TXD-busdom)

delay time from TXD to bus dominant

Normal mode

td(TXD-busrec)

delay time from TXD to bus recessive

Normal mode

td(busdom-RXD) delay time from bus dominant to RXD

Normal and Silent modes

td(busrec-RXD)

delay time from bus recessive to RXD

Normal and Silent modes

tPD(TXD-RXD)

propagation delay from TXD to RXD

2.8 V < VIO < 4.5 V

Normal mode

250

4.5 V > VCC =VIO < 5.5 V

Normal mode

220

tto(dom)TXD

TXD dominant time-out time

VTXD = 0 V; Normal mode

0.3

Fig 4.

Timing test circuit for CAN transceiver

TJF1051

GND

VCC

100 nF

μF

+5 V

TXD

RXD

15 pF

CANL

CANH

VIO

100 pF

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