ATA6621 ATMEL Corporation, ATA6621 Datasheet - Page 20

• Manufacturer Part Number: ATA6621
• Manufacturer: ATMEL Corporation

5. Electrical Characteristics (Continued)
5V < V
20
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
10.1
10.2
10.3
10.4
10.5 Duty cycle 1
10.6 Duty cycle 2
10.7
10.8
11.1
11.2
No.
9.1
9.2
9.3
9.4
9.5
9.6
10
11
9
S
Parameters
LIN Bus Receiver
Center of receiver
threshold
Receiver dominant state V
Receiver recessive state V
Receiver input hysteresis V
Wake detection LIN
High-level input voltage
Wake detection LIN
Low-level input voltage
Internal Timers
Dominant time for wake-
up via LIN bus
Time delay for mode
change from Pre Normal
to Normal Mode via pin
EN
Time delay for mode
change from Normal into
Sleep Mode via pin EN
TXD dominant time-out
timer
Slope time falling and
rising edge at LIN
Time of low pulse for
wake-up via pin WAKE
Internal Receiver Electrical AC Parameters of the LIN Physical Layer LIN Receiver, RXD Load Conditions (C
Propagation delay of
receiver
page
Symmetry of receiver
propagation delay rising
edge minus falling edge
< 18V, T
ATA6621
22)
amb
(Figure 5-1 on
= –40°C to +125°C
Test Conditions
V
(V
Initializes a wake-up signal
V
V
V
V
TH
TH
V
D1 = t
TH
TH
V
D2 = t
Slope time dominant and
recessive edges
V
t
t
rec_pd
rx_sym
BUS_CNT =
EN
EN
HYS
LIN
EN
EN
TXD
S
S
WAKE
th_dom
Rec(max)
Dom(max)
Rec(min)
Dom(min)
= 7.0V to 18V; t
= 7.0V to 18V; t
= 5V
= 5V
= 5V
= 0V
= 0V
= V
= 0V
= max(t
bus_rec(min)
bus_rec(max)
= t
= 0V
+ V
th_rec
rx_pdr
= 0.422
= 0.744
= 0.284
= 0.581
th
_
rx
– V
– t
rec
_
/ (2
pdr
) / 2
/ (2
rx_pdf
th_dom
, t
Bit
Bit
rx_pdf
VS;
V
VS;
= 50 µs
= 50 µs
V
t
S
t
Bit
S
Bit
;
;
)
)
)
Pin
T
T
V
Symbol
V
V
SLOPE_rise
V
SLOPE_fall
T
BUS_CNT
t
V
T
T
BUSdom
V
T
t
rx_sym
BUShys
BUSrec
T
rx_pd
WAKE
D1
D2
sleep
LINH
norm
LINL
dom
bus
0.475 V
0.028 V
V
0.6 V
0.396
S
Min
–27
–27
3.5
30
60
–2
– 1V
5
2
5
S
S
S
0.1 V
Typ
130
0.5
V
90
15
10
7
S
S
V
V
0.175 V
0.525 –
S
S
0.4 V
0.581
Max
22.5
150
200
+ 0.3V
– 3.3V
V
40
20
12
20
6
2
S
S
S
4887B–AUTO–01/06
Unit
ms
µs
µs
µs
µs
µs
µs
µs
RXD
V
V
V
V
V
V
): 20 pF
Type*
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A