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| AAT3520 Datasheet, PDF (4/9 Pages) Advanced Analogic Technologies – MicroPower Microprocessor Reset Circuit | |||
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AAT3520/2/4
MicroPower⢠Microprocessor Reset Circuit
Electrical Characteristics
VIN = 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; VCC = 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
VCC
IQ
VTH
âVTH/°C
tP
tRDY
VOL
VOH
VOL
VOH
IDOFF
Description
Conditions
Min
Operation Voltage
Quiescent Current
RESET Threshold (Table 1)
RESET Threshold
Temperature Coefficient
RESET Propagation Delay
RESET Active Timeout
Period
RESET Low Output Voltage
AAT3522, AAT3524
RESET High Output Voltage
AAT3522
RESET Low Output Voltage
AAT3520
RESET High Output Voltage
AAT3520
RESET Leakage Current
AAT3524
TA = 0ºC to +70ºC
TA = -40ºC to +85ºC
VCC = 5.5V
VCC = 3V
TA = 25ºC
TA = -40ºC to +85ºC
VCC = VTH to (VTH - 100mV)
-50 Option
-200 Option
ISINK = 1.2mA, VCC = VTH(min),
VTH ⤠3.08V, RESET Asserted
ISINK = 3.2mA, VCC = VTH(min),
VTH > 3.08V, RESET Asserted
ISOURCE = 800µA, VTH > 3.08V,
VCC > VTH (max)
ISOURCE = 500µA, VTH ⤠3.08V,
VCC > VTH (max)
ISINK = 1.2mA, VCC > VTH (max),
VTH ⤠3.08V, RESET Not Asserted
ISINK = 3.2mA, VCC > VTH (max),
VTH > 3.08V, RESET Not Asserted
ISOURCE = 500µA, VCC > 2.1V,
RESET Asserted
ISOURCE = 50µA, VCC > 1.2V,
RESET Asserted
VCC > VTH
1.0
1.2
VTH - 1.5%
VTH - 2.5%
30
150
VCC -1.5
0.8 VCC
0.8VCC
0.8VCC
Typ
1.05
0.85
VTH
VTH
40
15
50
250
Max Units
5.5
V
5.5
3
2
µA
VTH + 1.5%
VTH + 2.5%
V
ppm/°C
µs
100
400
ms
0.3
V
0.4
V
0.3
V
0.4
V
1
µA
4
3520.2006.03.1.2
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