TJA1080ATSSLASH2SLASHT datasheet(34/49 Pages) NXP

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TJA1080A

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Product data sheet

Rev. 6 — 28 November 2012

34 of 49

NXP Semiconductors

TJA1080A

FlexRay transceiver

10. Dynamic characteristics

Table 14.

Dynamic characteristics

All parameters are guaranteed for VBAT = 6.5 V to 60 V; VCC = 4.75 V to 5.25 V; VBUF = 4.75 V to 5.25 V; VIO = 2.2 V to 5.25 V;

Tvj = 40 C to +150 C; Rbus = 45 ; RTRXD = 200  unless otherwise specified. All voltages are defined with respect to

ground; positive currents flow into the IC.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Pins BP and BM

td(TXD-bus)

delay time from TXD to bus

Normal or Star-transmit mode

[1]

DATA_0

--50

DATA_1

--50

t

d(TXD-bus)

delay time difference from TXD

to bus

Normal or Star-transmit mode;

between DATA_0 and DATA_1

[1] --4

td(TRXD-bus)

delay time from TRXD to bus

Star-transmit mode

[2]

DATA_0

--50

DATA_1

--50

t

d(TRXD-bus)

delay time difference from TRXD

to bus

Star-transmit mode; between

DATA_0 and DATA_1

[2][3] --5

td(bus-RXD)

delay time from bus to RXD

Normal or Star-transmit mode;

CRXD = 15 pF; see Figure 13

DATA_0

--50

DATA_1

--50

t

d(bus-RXD)

delay time difference from bus to

RXD

Normal or Star-transmit mode;

CRXD = 15 pF; between DATA_0

and DATA_1; see Figure 13

--5

td(bus-TRXD)

delay time from bus to TRXD

Star-receive mode; see

Figure 13

DATA_0

--50

DATA_1

--50

t

d(bus-TRXD)

delay time difference from bus to

TRXD

Star-receive mode; between

DATA_0 and DATA_1; see

Figure 13

[3] --5

td(TXEN-busidle)

delay time from TXEN to bus idle Normal mode

100

td(TXEN-busact)

delay time from TXEN to bus

active

Normal mode

td(BGE-busidle)

delay time from BGE to bus idle

Normal mode

100

td(BGE-busact)

delay time from BGE to bus

active

Normal mode

td(bus)(idle-act)

bus delay time from idle to active Normal mode

td(bus)(act-idle)

bus delay time from active to idle Normal mode

tr(dif)(bus)

bus differential rise time

10 % to 90 %

Rbus = 45 ; Cbus = 100 pF

517

tf(dif)(bus)

bus differential fall time

90 % to 10 %

Rbus = 45  Cbus = 100 pF

517

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