AAT3532 Advanced Analogic Technologies, Inc., AAT3532 Datasheet - Page 4

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AAT3532

Manufacturer Part Number
AAT3532
Description
Aat3532 | Micropower Supervisory Circuit With Delay, Manual Reset, And Watchdog
Manufacturer
Advanced Analogic Technologies, Inc.
Datasheet
DC Electrical Characteristics
V
AC Electrical Characteristics
V
1. Measured with outputs open and ST toggling at 100kHz, 50% duty cycle.
2. RST is an open drain output.
3. Guaranteed by design and not subject to production testing.
4. PBRST must remain low for greater than 20ms to guarantee a reset.
4
IN
IN
Symbol
Symbol
V
= 4.5V to 5.5V, T
= 4.5V to 5.5V, T
V
I
I
V
CCTP
I
V
RST
C
I
I
OH
OL
t
t
t
t
CC
Q
IL
C
t
t
IH
PBD
RST
t
RPD
RPU
IL
OUT
PB
ST
TD
t
t
IN
f
r
Description
Supply Voltage
Quiescent Current
Reset Threshold 5%
Reset Threshold 10%
Input Leakage ST, TOL
Output Current RST
Current RST
ST and PBRST Input High
ST and PBRST Input Low
RST Output Leakage
Description
Input Capacitance ST, TOL
Output Capacitance RST, RST
PBRST
PBRST Delay
Reset Active Time
ST Pulse Width
ST Time-out Period
V
V
V
V
CC
CC
CC
CC
Fall Time
Rise Time
Detect to RST High and RST Low
Detect to RST Low and RST Open
A
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
= -40°C to +85°C, unless otherwise noted. Typical values are T
4
2
, RST
3
3
1
2
Conditions
V
TOL = GND
TOL = V
V
V
V
3
CC
OH
OL
OH
MicroPower™ Microprocessor Reset Circuit
= 0.4V
3
= 5.5V
= 2.4V
= V
CC
CC
Conditions
T
T
See Figure 2
See Figure 2
See Figure 3
TD Pin = 0V
TD Pin = Open
TD Pin = V
4.75V to 4.25V
4.25V to 4.75V
V
V
CMOS Levels
TTL Levels
A
A
CC
CC
= 25ºC
= 25ºC
Falling
Rising
CC
Min
4.50
4.25
10.0
-1.0
-8.0
-0.3
62.5
4.5
2.0
Min
250
250
500
250
20
20
10
1
0
4.62
4.37
Typ
160
5.0
1200
23
Typ
610
150
600
610
4
5
A
A
= 25°C.
= 25°C.
V
AAT3532
CC
Max
1000
1000
1000
4.74
4.49
Max
2000
500
250
5.5
1.0
0.8
1.0
50
20
50
5
7
+ 0.3
3532.2005.12.1.2
Units
Units
ms
ms
ms
ms
ms
mA
mA
pF
pF
µs
µs
µs
ns
µA
µA
µA
V
V
V
V

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