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AAT3520 Datasheet(PDF) 4 Page - Advanced Analog Technology, Inc.

Part No. AAT3520
Description  MicroPower™ Microprocessor Reset Circuit
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Maker  AAT [Advanced Analog Technology, Inc.]
Homepage  http://www.aatech.com.tw
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AAT3520 Datasheet(HTML) 4 Page - Advanced Analog Technology, Inc.

   
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AAT3520/2/4
MicroPower™ Microprocessor Reset Circuit
4
3520.2006.03.1.2
Electrical Characteristics
V
IN = 5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C; VCC = 5V for 4.63/4.38V
versions; V
CC = 3.3V for 3.08/2.93V versions; VCC = 3.0V for 2.63V version; VCC = 2.5V for 2.32/2.2V versions.
Symbol
Description
Conditions
Min
Typ
Max
Units
V
CC
Operation Voltage
T
A = 0ºC to +70ºC
1.0
5.5
V
T
A = -40ºC to +85ºC
1.2
5.5
I
Q
Quiescent Current
V
CC = 5.5V
1.05
3
µA
V
CC = 3V
0.85
2
V
TH
RESET Threshold (Table 1)
T
A = 25ºC
V
TH - 1.5%
V
TH
V
TH + 1.5%
V
T
A = -40ºC to +85ºC
V
TH - 2.5%
V
TH
V
TH + 2.5%
∆V
TH/°C
RESET Threshold
40
ppm/°C
Temperature Coefficient
t
P
RESET Propagation Delay
V
CC = VTH to (VTH - 100mV)
15
µs
RESET Active Timeout
-50 Option
30
50
100
t
RDY
Period
-200 Option
150
250
400
ms
I
SINK = 1.2mA, VCC = VTH(min),
0.3
V
OL
RESET Low Output Voltage
V
TH ≤ 3.08V, RESET Asserted
V
AAT3522, AAT3524
I
SINK = 3.2mA, VCC = VTH(min),
0.4
V
TH > 3.08V, RESET Asserted
I
SOURCE = 800µA, VTH > 3.08V,
V
CC -1.5
V
OH
RESET High Output Voltage V
CC > VTH (max)
AAT3522
I
SOURCE = 500µA, VTH ≤ 3.08V,
0.8 V
CC
V
V
CC > VTH (max)
I
SINK = 1.2mA, VCC > VTH (max),
0.3
V
OL
RESET Low Output Voltage
V
TH ≤ 3.08V, RESET Not Asserted
V
AAT3520
I
SINK = 3.2mA, VCC > VTH (max),
0.4
V
TH > 3.08V, RESET Not Asserted
I
SOURCE = 500µA, VCC > 2.1V,
0.8V
CC
V
OH
RESET High Output Voltage RESET Asserted
V
AAT3520
I
SOURCE = 50µA, VCC > 1.2V,
0.8V
CC
RESET Asserted
I
DOFF
RESET Leakage Current
V
CC > VTH
1µA
AAT3524


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