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PDF AME8502 Data sheet ( Hoja de datos )
| Número de pieza | AME8502 | |
| Descripción | UProcessor Supervisory | |
| Fabricantes | Analog Microelectronics | |
| Logotipo |  |
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AME
AME8502
n General Description
The AME8502 family allows the user to customize the
CPU reset function without any external components.
The user has a large choice of reset voltage thresholds,
reset time intervals, and output driver configurations, all
of which are preset at the factory. Each wafer is trimmed
to the customers specicications.
There circuits monitor the power supply voltage of µP
based system. When the power supply voltage drops
below the voltage threshold a reset is asserted immedi-
ately (within an interval TD1). The reset remains asserted
after the supply voltage rises above the voltage threshold
for a time interval, TD2. The reset output may be either
active high (RESET) or active low (RESETB). The reset
output may be configured as push-pull. The state of the
reset output is guaranteed to be correct for supply volt-
ages greater than 0.9V.
µProcessor Supervisory
n Application
l Portable Electronics
l Power Supplies
l Computer Peripherals
l Data Acquisition Systems
l Applicatiions using CPUs
l Consumer Electronics
n Typical Application
VIN
RESET /
RESETB
GND
VIN
Processor
RESET
Input
GND
n Features
n Functional Block Diagram
l Internally Fixed Threshold 1.2V to 4.5V in 0.1V
Step
l High Accuracy ±1.5%
l Low Supply Current 3µA
l No External Components Required
l Quick Reset within 20µs
l Built-in Recovery Delay Include 0ms, 55ms,
220ms, 450ms
l Low Functional Supply Voltage 0.9V
l Push-Pull Output
l Small SOT-23, TSOT-23A, SOT-143, SC-70-4,
SOT-25 and TSOT-25A Package
l RoHS Compliant and Halogen Free
VIN
GND
R1 I1
R2 VREF
Delay
P1
RESET/
RESETB
N1
Rev. A.01
1
1 page  
AME
AME8502
n Absolute Maximum Ratings
Parameter
Supply Voltage
Input Current, VIN
Output Current, RESET, RESETB
ESD Classification
HBM
MM
µProcessor Supervisory
Maximum
6
20
20
2
200
Unit
V
mA
mA
kV
V
n Recommended Operating Conditions
Parameter
Junction Temperature Range
Ambient Temperature Range
Storage Temperature Range
Symbol
TJ
TA
TSTG
Rating
-40 to +125
-40 to +85
-65 to +150
Unit
oC
Rev. A.01
5
5 Page 
AME
AME8502
n Tape and Reel Dimension
SOT-23
P0
µProcessor Supervisory
PIN 1
AME
AME
W
P
Carrier Tape, Number of Components Per Reel and Reel Size
Package
SOT-23
Carrier Width (W) Pitch (P)
Pitch (P0) Part Per Full Reel
8.0±0.1 mm
4.0±0.1 mm 4.0±0.1 mm
3000pcs
Reel Size
180±1 mm
TSOT-23-A
P0
PIN 1
AME
AME
W
P
Carrier Tape, Number of Components Per Reel and Reel Size
Package Carrier Width (W) Pitch (P)
Pitch (P0) Part Per Full Reel Reel Size
TSOT-23A
8.0±0.1 mm
4.0±0.1 mm 4.0±0.1 mm
3000pcs
180±1 mm
Rev. A.01
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet AME8502.PDF ] | |
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