ATA6624 Ver la hoja de datos (PDF) - Atmel Corporation
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Fabricante
ATA6624 Datasheet PDF : 31 Pages
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9. 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
12.2
12.3
12.4
13
Low-level output low
10 kΩ to 5V
VCC = 0V
Undervoltage reset time
VS ≥ 5.5V
CNRES = 20 pF
Reset debounce time for VS ≥ 5.5V
falling edge
CNRES = 20 pF
Watchdog Oscillator
NRES VNRESLL
NRES
treset
2
NRES
tres_f
1.5
0.14
V
4
6
ms
10
µs
13.1
13.2
Voltage at WD_OSC in
Normal Mode
Possible values of
resistor
IWD_OSC = –200 µA
VVS ≥ 4V
WD_
OSC
VWD_OSC
1.13
1.23
1.33
V
WD_
OSC
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
NRES
tnres
1105
cycles
3.2
4
4.8
ms
15 KL_15 Pin
15.1
High-level input voltage
RV = 47 kΩ
Positive edge initializes a
wake-up
KL_15
VKL_15H
4
VS +
0.3V
V
15.2
Low-level input voltage
RV = 47 kΩ
KL_15 VKL_15L
–1
+2
V
15.3
KL_15 pull-down current
VS < 27V
VKL_15 = 27V
KL_15
IKL_15
50
65
µA
15.4 Internal debounce time Without external capacitor KL_15 TdbKL_15
80
160
250
µs
15.5 KL_15 wake-up time RV = 47 kΩ, C = 100 nF
KL_15 TwKL_15
0.4
2
4.5
ms
16 WAKE Pin
16.1 High-level input voltage
WAKE VWAKEH VS – 1V
VS +
0.3V
V
16.2 Low-level input voltage Initializes a wake-up signal WAKE 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
WAKE
IWAKE
–30
–10
µA
WAKE
IWAKEL
–5
+5
µA
WAKE 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
A
A
A
C
A
A
A
A
A
22 ATA6622/ATA6624/ATA6626
4986I–AUTO–07/10
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