TJA1080ATSSLASH2SLASHT datasheet(36/49 Pages) NXP

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TJA1080A

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Product data sheet

Rev. 5 — 24 February 2011

36 of 49

NXP Semiconductors

TJA1080A

FlexRay transceiver

[1]

Rise and fall time (10 % to 90 %) of tr(TXD) and tf(TXD) = 5 ns ± 1ns.

[2]

Rise and fall time (10 % to 90 %) of tr(TRXD) and tf(TRXD) = 5 ns ± 1ns.

[3]

The worst case asymmetry from one branch to another is the sum of the delay difference from TRXD0 and TRXD1 to DATA_0 and

DATA_1 plus the delay difference from DATA_0 and DATA_1 to TRXD0 and TRXD1.

Star modes

tto(idle-sleep)

idle to sleep time-out time

640

2660

tto(tx-locked)

transmit to locked time-out time

2600

10400

μs

tto(rx-locked)

receive to locked time-out time

2600

10400

μs

tto(locked-sleep)

locked to sleep time-out time

333

tto(locked-idle)

locked to idle time-out time

1.4

5.1

μs

Node modes

td(STBN-RXD)

STBN to RXD delay time

STBN HIGH to RXD HIGH; wake

flag set

--2

μs

td(STBN-INH2)

STBN to INH2 delay time

STBN LOW to INH2 floating;

Normal mode

--12

μs

th(gotosleep)

go-to-sleep hold time

μs

Status register

tdet(EN)

detection time on pin EN

for mode control

μs

TEN

time period on pin EN

for reading status bits

μs

td(EN-ERRN)

delay time from EN to ERRN

for reading status bits

μs

WAKE

twake(WAKE)

wake-up time on pin WAKE

low power mode; falling edge on

pin WAKE; 6.5 V

≤ V

BAT ≤ 27 V

100

μs

low power mode; falling edge on

pin WAKE; 27 V < VBAT ≤ 60 V

175

μs

Miscellaneous

tdetCL(TXEN_BGE) TXEN_BGE clamp detection

time

2600

10400

μs

tdet(col)(TRXD)

TRXD collision detection time

TRXD0 and TRXD1

Table 14.

Dynamic characteristics …continued

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 Ω; RTRXD = 200 Ω unless otherwise specified. All voltages are defined with respect to

ground; positive currents flow into the IC.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

TJA1080ATS/2/T Datasheet(PDF) 36 Page - NXP Semiconductors

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