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PDF SGM804 Data sheet ( Hoja de datos )
| Número de pieza | SGM804 | |
| Descripción | SOT uP Reset Circuit | |
| Fabricantes | Shengbang Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SGM804 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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SGM804
Low-Power, SOT µP Reset Circuit with
Capacitor-Adjustable Reset Timeout Delay
GENERAL DESCRIPTION
The SGM804 low-power micro-processor supervisor
circuit monitors system voltages from 1.6V to 5V. This
device performs a single function: it asserts a reset signal
whenever the VCC supply voltage falls below its reset
threshold. The reset output remains asserted for the
reset timeout period after VCC rises above the reset
threshold. The reset timeout is externally set by a
capacitor to provide more flexibility.
FEATURES
Monitor System Voltages from 1.6V to 5V
Capacitor-Adjustable Reset Timeout Period
Low Quiescent Current (3µA TYP)
Push-Pull RESET Output Option
Guaranteed RESET Valid to VCC = 1V
Immune to Short VCC Transients
Available in Green SOT-23-5 Package
The SGM804 has an active-low, push-pull reset output. It
is available in Green SOT-23-5 package and is specified
over an ambient temperature range of -40℃ to +85℃.
TYPICAL APPLICATION
APPLICATIONS
Portable Equipment
Battery-Powered Computers/Controllers
Automotive
Medical Equipment
Intelligent Instruments
Embedded Controllers
Critical µP Monitoring
Set-Top Boxes
Computers
VCC
CSRT
SRT
SGM804
RESET
GND
VCC
MICROPROCESSOR
SYSTEM
RESET
GND
SG Micro Corp
www.sg-micro.com
REV. A. 1
1 page  
SGM804
Low-Power, SOT µP Reset Circuit with
Capacitor-Adjustable Reset Timeout Delay
TYPICAL PERFORMANCE CHARACTERISTICS
VCC = 5V, CSRT = 1500pF, TA = +25℃, unless otherwise noted.
Supply Current vs. Supply Voltage
5
10000
Reset Timeout Period vs. CSRT
4 +85℃
1000
3
+25℃
2 -40℃
1
VTH = 1.63V
0
0123456
Supply Voltage (V)
100
10
1
0.1
0.01
0.1
1 10
CSRT (nF)
100 1000
Reset Timeout Period vs. Temperature
500
CSRT = 0
460
420
380
340
300
-50
-25
0 25 50
Temperature (℃)
75 100
Normalized Reset Threshold vs. Temperature
1.006
1.004
1.002
1.000
0.998
0.996
0.994
-50
-25
0 25 50
Temperature (℃)
75 100
Reset Timeout Period vs. Temperature
4.6
CSRT = 1500pF
4.5
4.4
4.3
4.2
4.1
-50
-25
0 25 50
Temperature (℃)
75 100
Maximum Transient Duration vs. Reset Threshold
Overdrive
50
VTH = 2.93V
40
30
20
10
0
0 200 400 600 800 1000
Reset Threshold Overdrive (mV)
SG Micro Corp
www.sg-micro.com
5
5 Page 
SGM804
CARTON BOX DIMENSIONS
Low-Power, SOT µP Reset Circuit with
Capacitor-Adjustable Reset Timeout Delay
NOTE: The picture is only for reference. Please make the object as the standard.
KEY PARAMETER LIST OF CARTON BOX
Reel Type
7″ (Option)
7″
Length
(mm)
368
442
Width
(mm)
227
410
Height
(mm)
224
224
Pizza/Carton
8
18
SG Micro Corp
www.sg-micro.com
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet SGM804.PDF ] | |
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