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TJA1080ATS/2/T Datasheet(PDF) 35 Page - NXP Semiconductors |
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TJA1080ATS/2/T Datasheet(HTML) 35 Page - NXP Semiconductors |
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35 / 49 page  TJA1080A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 5 — 24 February 2011 35 of 49 NXP Semiconductors TJA1080A FlexRay transceiver Δt d(bus-TRXD) delay time difference from bus to TRXD Star-receive mode; between DATA_0 and DATA_1; see Figure 13 [3] --5 ns td(TXEN-busidle) delay time from TXEN to bus idle Normal mode - 46 100 ns td(TXEN-busact) delay time from TXEN to bus active Normal mode - 39 75 ns td(BGE-busidle) delay time from BGE to bus idle Normal mode - 47 100 ns td(BGE-busact) delay time from BGE to bus active Normal mode - 40 75 ns td(bus)(idle-act) bus delay time from idle to active Normal mode - 7 30 ns td(bus)(act-idle) bus delay time from active to idle Normal mode - 7 30 ns tr(dif)(bus) bus differential rise time 10 % to 90 % Rbus = 45 Ω; Cbus = 100 pF 517 25 ns tf(dif)(bus) bus differential fall time 90 % to 10 % Rbus = 45 Ω Cbus = 100 pF 517 25 ns WAKE symbol detection tdet(wake)DATA_0 DATA_0 wake-up detection time Standby, Sleep, Star-standby or Star-sleep modes 10 V ≤ V BP ≤ +15 V 10 V ≤ V BM ≤ +15 V 1- 4 μs tdet(wake)idle idle wake-up detection time 1 - 4 μs tdet(wake)tot total wake-up detection time 50 - 115 μs Undervoltage tdet(uv)(VCC) undervoltage detection time on pin VCC 100 - 670 ms trec(uv)(VCC) undervoltage recovery time on pin VCC 1- 5.2 ms tdet(uv)(VIO) undervoltage detection time on pin VIO 100 - 670 ms tto(uv)(VCC) undervoltage time-out time on pin VCC for entering Standby mode star configuration; wake flag is set 432 - 900 μs tdet(uv)(VBAT) undervoltage detection time on pin VBAT --1 ms Activity detection tdet(act)(TXEN) activity detection time on pin TXEN star configuration 100 - 200 ns tdet(act)(TRXD) activity detection time on pin TRXD star configuration 100 - 200 ns tdet(act)(bus) activity detection time on bus pins Vdif: 0 mV → 400 mV 100 - 250 ns tdet(idle)(TXEN) idle detection time on pin TXEN star configuration 100 - 200 ns tdet(idle)(TRXD) idle detection time on pin TRXD star configuration 50 - 100 ns tdet(idle)(bus) idle detection time on bus pins Vdif: 400 mV → 0 mV 100 - 250 ns 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 |
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