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PDF AME8570M Data sheet ( Hoja de datos )
| Número de pieza | AME8570M | |
| Descripción | UProcessor Supervisory | |
| Fabricantes | Analog Microelectronics | |
| Logotipo |  |
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AME
AME8570M
n General Description
The AME8570M family allows the user to customize
the CPU reset function without any external components.
The user has serveral choice of reset voltage thresholds,
reset time intervals, and output driver configurations, all
of which are preset at the factory.
These circuits monitor the power supply voltage of µP
based systems. When the power supply voltage drops
below the voltage threshold a reset is asserted immedi-
ately
after
( within an
the supply
interval
voltage
TrisD1e)s.
The reset
above the
remains asserted
voltage threshold
faocrtiavetimhieghin(teRrvEaSl,ETTD2).
The reset output may be either
or active low ( RESETB ). The
reset output may be configured as either push/pull or
open drain. The state of the reset output is guaranteed
to be correct only when supply voltage is greater than
1V.
The AME8570M also provide a reset manually by pull-
ing the MRB input to ground.
Space saving SC-70 package and micropower quies-
cent current (<3.0µA ) make this family a natural for por-
table battery powered equipment.
n Features
l Small Packages : SC-70-4, SOT-23,
TSOT-23A, SOT-25, TSOT-25A, SOT-143
l Tight Voltage Threshold Tolerance:¡Ó1.50%
l Wide Temperature Range : -40OC to +85OC
l Low Quiescent Current <3.0µA
l Manual Reset Input Option
l Green Products Meet RoHS Standards
n Applications
l Portable Electronics
l Power Supplies
l Computer Peripherals
l Data Acquisition Systems
l Applications using CPUs
l Consumer Electronics
Rev. A.14
µProcessor Supervisory
n Functional Block Diagram
AME8570M Push-Pull RESET/ RESETB
IN
R1 I1
GND
R2 VREF
Delay
P1
RESET/
RESETB
N1
AME8570M Open-Drain RESET/RESETB
IN
R1 I1
R2 VREF
Delay
RESET/
RESETB
N1
AME8570M Push-Pull RESET/ RESETB with MRB
MRB
IN
R1 I1
GND
R2 VREF
P1
Delay
N1
RESET/
RESETB
AME8570M Open-Drain RESET/RESETB with MRB
MRB
IN
R1 I1
GND
R2
VREF
Delay
N1
RESET/
RESETB
1
1 page  
AME
AME8570M
µProcessor Supervisory
n Available Options
Part Number
AME8570M-AIUCF160
AME8570M-AIUCF180
AME8570M-AIUAF263
AME8570M-AIUAF293
AME8570M-AIUBF293
AME8570M-AIUAA463
AME8570M-AIUAE463
AME8570M-AIUAF463
AME8570M-A4UAE293
AME8570M-A4UAF263
AME8570M-A4UAF463
AME8570M-A4UAF293
AME8570M-A4UAF308
AME8570M-A4UBE230
AME8570M-A4UBE308
AME8570M-A4UBF263
AME8570M-A4UBF293
AME8570M-A4UBF308
AME8570M-A4UBF463
AME8570M-AETBE180
AME8570M-AETBE200
Marking
CBSw
CCVw
CBKw
COYw
CBTw
CBPw
CBQw
CBRw
CLXMXX
CDMMXX
CIUMXX
CBUMXX
CHOMXX
CHUMXX
CHMMXX
CIVMXX
CIXMXX
CHNMXX
CIYMXX
CFVMXX
CFQMXX
Detect Voltage
1.60V
1.80V
2.63V
2.93V
2.93V
4.63V
4.63V
4.63V
2.93V
2.63V
4.63V
2.93V
3.08V
2.30V
3.08V
2.63V
2.93V
3.08V
4.63V
1.80V
2.00V
Package
SC-70-4
SC-70-4
SC-70-4
SC-70-4
SC-70-4
SC-70-4
SC-70-4
SC-70-4
SOT-143
SOT-143
SOT-143
SOT-143
SOT-143
SOT-143
SOT-143
SOT-143
SOT-143
SOT-143
SOT-143
SOT-23
SOT-23
Operating Ambient
Temperature Range
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
Note:
1. The first 3 places represent product code. It is assigned by AME such as CBS.
2. A bar on top of first letter represents Green Part such as CBS.
3. w represent the date code and please refer to date code rule section for detail information.
4. The last 3 places MXX represent Marking Code. It contains M as date code in "month", XX as LN code and
that is for AME internal use only. Please refer to date code rule section for detail information.
5. Please consult AME sales office or authorized Rep./Distributor for the availability of output voltage and package
type.
Rev. A.14
5
5 Page 
AME
AME8570M
n Timing Diagram
VRELEASE
VIN
MRB
RESET
>1µS
RESETB
TD2
µProcessor Supervisory
VTH
TD2
Rev. A.14
11
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet AME8570M.PDF ] | |
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