TH8055 Datasheet, PDF (10/20 Pages) Micro Electronics – Single Wire CAN Transceiver

TH8055
Single Wire CAN Transceiver
3.4 Dynamic Characteristics
All dynamic values of the table below refer to the timing diagrams.
(5V ≤ V_BAT ≤ 27V, -40°C ≤ T_A ≤ 125°C, unless otherwise specified)
Parameter
Symbol
Condition
Min
Typ
Max Unit
Transmit delay in normal & wake up mode,
bus rising edge
Transmit delay in wake up mode,
bus rising edge
Transmit delay in high-speed mode,
bus rising edge
Transmit delay in normal mode,
bus falling edge
Transmit delay in wake up mode,
bus falling edge ^[1]
Transmit delay in high-speed mode,
bus falling edge
Receive delay , all active modes
Receive delay , all active modes
Input minimum puls length, all activ modes
bus load 15nF/270Ω,
tT measured from 50% TXD
3
high level to VCANH = 3V
bus load 15nF/270Ω,
tT measured from 50% TXD
3
high level to VCANH=8.9V
bus load 15nF/100Ω,
measured from 50% TXD
tTHS high level to VCANH= 3V,
0.2
5 < VBAT < 18V,
0°C < TA < 125°C
bus load 15nF/270Ω,
tT measured from 50% TXD
3
high level to VCANH= 1V
bus load 15nF/270Ω,
tT measured from 50% TXD
3
high level to VCANH= 1V
bus load 15nF/100Ω,
tTHS
measured from 50% TXD
high level to VCANH= 1V ,
0.2
5 < VBAT < 18V
tDR
CANH to RxD, measured
from VCANH=2V , RxD=H to L
0.3
CANH to RxD,
tRD measured from VCANH=2V ,
0.3
RxD=L to H
CANH to RxD,
trp measured from VCANH=2V;
0.2
RxD=H to L
6.3 µs
18 µs
1.5 µs
8.25 µs
13.7 µs
3
µs
1
µs
1
µs
1
µs
Wakeup filter time delay
tWUF See Figure 3
10
70 µs
Receive blanking time after TxD L-H transition
trb See Figure 4
0.5
6
µs
TxD timeout reaction time
ttout Normal and high speed mode
12
ms
TxD timeout reaction time
Delay from Normal to High Speed & Wake Up
Mode
Delay from High Speed & Wake Up to Normal
Mode
ttoutwu Wake up mode
tdnhs
tdhsn
20
ms
30 µs
30 µs
Delay from Normal to Sleep Mode
tdns
500 µs
Delay from Sleep to Normal & Wake Up Mode
tdsn
50 µs
[1] The fall time can exceed the maximum value under max load conditions (32 nodes and max τ [270Ohm/15nF]). In this case the limit is 14.5µs.
TH8055 - Datasheet
3901008055
Page 10 of 20
May 2004
Rev 005