Ata6264 [preliminary – Atmel ATA6264 User Manual

Page 57

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57

4929B–AUTO–01/07

ATA6264 [Preliminary]

Figure 17-2. Timing LIN/ISO 9141 Interface

16.37

Propagation delay K

1

high to

RxD

1

= high

Measured from
K

1

= 0.6

×

V

K30

to

RxD

1

= L to H

K

1

t

PDkH

4

µs

A

16.38

Symmetry of transmitter
delay

t

SYM_T1

= t

PDtL

– t

PDtH

K

1

t

SYM_T1

–1

1

µs

A

16.39

Symmetry of receiver
propagation delay

t

SYM_R1

= t

PDkL

– t

PDkH

K

1

t

SYM_R1

–1

1

µs

A

LS Driver Mode

16.40 K

x

output voltage drop

I

Kx

= 40 mA

I

Kx

= 20 mA

K

x

V

Kx

1.7
1.2

V

A

16.41 K

x

switch-on delay

(x = 1, 2), measured from
rising edge of SSQ to
V

Kx

= 16.40V, R

Kx

= 250

to

K30, C

Kx

= 3.3 nF to GNDB

K

x

t

Kx

50

µs

A

16.42 K

x

switch-off delay

(x = 1, 2), measured from
rising edge of SSQ to
V

Kx

= 0.9

×

V

K30

,

R

Kx

= 250

to K30,

C

Kx

= 3.3 nF to GNDB

K

x

t

Kx

10

µs

A

16.43 K

x

leakage current

(x = 1, 2), output driver
deactivated, AMUX
measurement activated and
deactivated
K30 = 5.5V to 15V
K30 > 15V to 25V
K30 > 25V to 40V

K

x

I

Kx

–10
–10
–10

+100
+160
+260

µA
µA
µA

A
A
A

16.44 K

x

leakage current

(x = 1, 2), output driver
deactivated, AMUX
measurement deactivated
K30 = 5.5V to 40V
K

x

= –25V

K

x

I

Kx

–150

+10

µA

A

Table 17-1.

Electrical Characteristics (Continued)– LIN/ISO 9141 Interfaces

No.

Parameters

Test Conditions

Pin

Symbol

Min

Typ.

Max.

Unit

Type*

*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter

90%

Baudrate

Baudrate =

t

on

+ t

off

2

60%

40%

10%

t

PDtL

V

K

V

TXD

V

RXD

2

t

PDkL

t

PDkH

t

PDtH

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