ATA6624(2008) 데이터 시트보기 (PDF) - Atmel Corporation
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ATA6624 Datasheet PDF : 29 Pages
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8. Electrical Characteristics (Continued)
5V < VS < 27V, -40°C < Tj < 150°C, unless otherwise specified. All values refer to GND pins
No. Parameters
Test Conditions
Pin Symbol Min.
Typ.
Max.
Unit
13 Watchdog Oscillator
13.1
13.2
Voltage at WD_OSC in
Normal Mode
Positive values of
resistor
IWD_OSC = –200 µA
VVS ≥ 4V
VWD_OSC
1.13
1.23
1.33
V
ROSC
34
120
kΩ
13.3
13.4
13.5
13.6
14
14.1
Oscillator period
ROSC = 34 kΩ
Oscillator period
ROSC = 51 kΩ
Oscillator period
ROSC = 91 kΩ
Oscillator period
ROSC = 120 kΩ
Watchdog Timing Relative to tOSC
Watchdog lead time after
Reset
tOSC
10.65 13.3 15.97
µs
tOSC
15.68 19.6 23.52
µs
tOSC
26.83 33.5 40.24
µs
tOSC
34.2
42.8
51.4
µs
td
7895
cycles
14.2
Watchdog closed
window
t1
1053
cycles
14.3 Watchdog open window
14.4
Watchdog reset time
NRES
t2
1105
cycles
tnres
3.2
4
4.8
ms
15 KL_15 Pin
15.1
High-level input voltage
RV = 50 kΩ
Positive edge initializes a
wake-up
15.2
Low-level input voltage
RV = 50 kΩ
15.3
KL_15 pull-down current
VS < 27V
VKL_15 = 27V
15.4 Internal debounce time Without external capacitor
15.5
KL_15 wake-up time
(RV = 50 kΩ, C = 100 nF)
RV
=
50
kΩ,
C
=
100
nF
16 WAKE Pin
VKL_15H
4
VKL_15L
–1
VS +
0.3V
V
+2
V
IKL_15
50
60
µA
TdbKL_15
80
160
250
µs
TwKL_15
0.4
2
4.5
ms
16.1 High-level input voltage
VWAKEH VS – 1V
VS +
0.3V
V
16.2 Low-level input voltage Initializes a wake-up signal
VWAKEL
–1
VS –
3.3V
V
16.3
16.4
16.5
WAKE pull-up current
High-level leakage
current
Time of low pulse for
wake-up via WAKE pin
VS < 27V
VWAKE = 0V
VS = 27V
VWAKE = 27V
VWAKE = 0V
IWAKE
–30
–10
µA
IWAKEL
–5
+5
µA
IWAKEL
30
70
150
µs
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Type*
A
A
A
A
A
A
A
A
A
A
A
A
A
A
C
A
A
A
A
A
22 ATA6622/ATA6624/ATA6626
4986F–AUTO–07/08
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