www.austriamicrosystems.com/flexray/AS8221

Revision 1.1

10 - 43

AS8221

Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s

Receiver

BP, BM input resistance

10

25

40

K

Ω

BP, BM differential input

resistance

20

50

80

K

Ω

Idle voltage in non-low-power

modes on pin BP, BM

Non-low-power modes;

Load on BM/BM: 40

Ω || 100pF

0.4 *

0.5 *

0.6 *

V

on pin BP, BM

Low-power modes

Load on BM/BM: 40

Ω || 100pF

-0.2

0

+0.2

V

Absolute idle output current on

pin BP

02

7.5

mA

Absolute idle output current on

pin BM

02

7.5

mA

Absolute leakage current, when

not powered

07

+25

µA

Activity detection differential input

voltage high

Non-low-power modes;

150

225

400

mV

Activity detection differential input

voltage low

Non-low-power modes;

-400

-225

-150

mV

Data1 detection differential input

voltage

Pre-condition: activity already

detected. Non-low-power modes;

150

225

300

mV

Data0 detection differential input

voltage

Pre-condition: activity already

detected. Non-low-power modes;

-300

-225

-150

mV

Mismatch between Data0 and

Data1 differential input voltage

2 x (

(

(see footnote 2)

10

%

Max. common mode voltage

range when receiving

Non-low-power modes

-10

+15

V

Delay from BUS to RxD negative

edge

(see footnote 3)

36

80

ns

Delay from BUS to RxD positive

edge

(see footnote 3)

36

80

ns

Bit time

(see footnote 3)

54

ns

Delay time from BUS to RxD

mismatch

(see footnote 3)

(see footnote 4)

05

ns

Fall time RxD voltage

(see footnote 3)

25

ns

Table 3. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units