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Número de pieza | ASM705 | |
Descripción | Low Power uP Supervisor Circuits | |
Fabricantes | ON Semiconductor | |
Logotipo | ||
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No Preview Available ! ASM705, ASM706, ASM707,
ASM708, ASM813L
Low Power mP Supervisor
Circuits
Description
The ASM705 / 706 / 707 / 708 and ASM813L are cost effective
CMOS supervisor circuits that monitor power−supply and battery
voltage level, and mP/mC operation.
The family offers several functional options. Each device generates
a reset signal during power−up, power−down and during brownout
conditions. A reset is generated when the supply drops below 4.65 V
(ASM705/707/813L) or 4.40 V (ASM706/708). For 3 V power supply
applications, refer to the ASM705P/R/S/T data sheet. In addition, the
ASM705/706/813L feature a 1.6 second watchdog timer. The
ASM707/708 have both active−HIGH and active−LOW reset outputs
but no watchdog function. The ASM813L has the same pin−out and
functions as the ASM705 but has an active−HIGH reset output. A
versatile power−fail circuit has a 1.25 V threshold, useful in low
battery detection and for monitoring non−5 V supplies. All devices
have a manual reset (MR) input. The watchdog timer output will
trigger a reset if connected to MR.
All devices are available in 8−pin DIP, SO and MicroSO packages.
Features
• Precision Power Supply Monitor
4.65 V Threshold (ASM705/707/813L)
4.40 V Threshold (ASM706/708)
• Debounced Manual Reset Input
• Voltage Monitor
1.25 V Threshold
Battery Monitor / Auxiliary Supply Monitor
• Watchdog Timer (ASM705/706/813L)
• 200 ms Reset Pulse Width
• Active HIGH Reset Output (ASM707/708/813L)
• MicroSO Package
Applications
• Computers and Embedded Controllers
• Portable/Battery−operated Systems
• Intelligent Instruments
• Wireless Communication Systems
• PDAs and Hand−held Equipment
• Automotive Systems
• Safety Systems
http://onsemi.com
PDIP−8
P SUFFIX
CASE 646AA
MICRO−8
U SUFFIX
CASE 846AA
SOIC−8
S SUFFIX
CASE 751BD
PIN CONFIGURATIONS
MR
VCC
GND
1
ASM707
ASM708
RESET
RESET
NC
PFI PFO
MR
VCC
GND
PFI
1
ASM705
ASM706
(ASM813L)
WDO
RESET (RESET)
WDI
PFO
DIP/SO
(Top Views)
1
RESET
RESET
ASM707
MR ASM708
VCC
NC
PFO
PFI
GND
RESET (RESET)
WDO
MR
VCC
1
ASM705
ASM706
(ASM813L)
MicroSO
(Top Views)
WDI
PFO
PFI
GND
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 11 of this data sheet.
© Semiconductor Components Industries, LLC, 2011
August, 2011 − Rev. 3
1
Publication Order Number:
ASM705/D
1 page ASM705, ASM706, ASM707, ASM708, ASM813L
Table 3. ELECTRICAL CHARACTERISTICS
Unless otherwise noted, specifications are over the operating temperature range and VCC supply voltages are 2.7 V to 5.5 V
(ASM706P,ASM708R), 3.0 V to 5.5 V (ASM706/708S), 3.15 V to 5.5 V (ASM706/708T) and 4.1 V to 5.5 V (ASM706/708J).
Parameter
Symbol
Test Conditions
Min Typ Max
Operating Voltage Range
VCC
ASM705/6/7/8C
ASM813L
1.2
1.1
5.5
5.5
ASM705/6/7/8E, ASM813E
1.2
5.5
Supply Current
ICC ASM705/706C/813LC
ASM705E/706E/813LE
75 140
75 140
ASM707C/708C
50 140
ASM707E/708E
50 140
RESET Threshold
VRT
ASM705/707/813L (Note 2)
4.50 4.65 4.75
ASM706/708 (Note 2)
4.25 4.40 4.50
RESET Threshold
Hysteresis
(Note 2)
40
RESET Pulse Width
MR Pulse Width
MR to RESET Out Delay
MR Input Threshold
MR Pullup current
tRS
tMR
tMD
VIH
VIL
(Note 2)
(Note 2)
MR = 0 V
140 200 280
0.15
0.25
2.0
0.8
100 250 600
RESET Output Voltage
ISOURCE = 800 mA
VCC − 1.5
ISINK = 3.2 mA
0.4
ASM705/6/7/8, VCC = 1.2 V,
ISINK = 100 mA
0.3
RESET Output Voltage
ASM707/8/813L, ISOURCE = 800 mA
VCC − 1.5
ASM707/8, ISINK = 1.2 mA
0.4
ASM813L, ISINK = 3.2 mA
0.4
ASM813L, VCC = 1.2 V, ISOURCE = 4 mA
0.9
Watchdog Timeout Period
tWD
ASM705/6/813L
1.00 1.60 2.25
WDI Pulse Width
tWP VIL = 0.4 V, VIH = 0.8 VCC 50
WDI Input Threshold VIH ASM705/706/813L, VCC = 5 V 3.5
VIL 0.8
WDI Input Current
ASM705/6/813L, WDI = VCC
50 150
ASM705/6/813L, WDI = 0 V
−150
−50
WDO Output Voltage
PFI Input Threshold
PFI Input Current
VOH
VOL
ASM705/6/813L, ISOURCE = 800 mA
ASM705/6/813L, ISINK = 1.2 mA
VCC = 5 V
VCC − 1.5
1.2 1.25
−25 0.01
0.4
1.3
25
PFO Output Voltage
VOH
ISOURCE = 800 mA
VOL ISINK = 3.2 mA
2. RESET (ASM705/6/7/8), RESET(ASM707/8, ASM813L)
VCC − 1.5
0.4
Unit
V
mA
V
mV
ms
ms
ms
V
mA
V
V
S
ns
V
mA
V
V
nA
V
http://onsemi.com
5
5 Page ASM705, ASM706, ASM707, ASM708, ASM813L
Table 4. ORDERING INFORMATION − Tin − Lead Devices
Part Number (Note 3)
Reset Threshold (V) Temperature (5C)
ASM705 Active LOW Reset, Watchdog Output And Manual RESET
ASM705CPA
4.65 0°C to +70°C
ASM705CSA
4.65 0°C to +70°C
ASM705CUA
4.65 0°C to +70°C
ASM705EPA
4.65 −40°C to +85°C
ASM705ESA
4.65 −40°C to +85°C
ASM705EUA
4.65 −40°C to +85°C
ASM706 Active LOW Reset, Watchdog Output And Manual RESET
ASM706CPA
4.40 0°C to +70°C
ASM706CSA
4.40 0°C to +70°C
ASM706CUA
4.40 0°C to +70°C
ASM706EPA
4.40 −40°C to +85°C
ASM706ESA
4.40 −40°C to +85°C
ASM707 Active LOW & HIGH Reset with Manual RESET
ASM707CPA
4.65 0°C to +70°C
ASM707CSA
4.65 0°C to +70°C
ASM707CUA
4.65 0°C to +70°C
ASM707EPA
4.65 −40°C to +85°C
ASM707ESA
4.65 −40°C to +85°C
ASM708Active LOW & HIGH Reset with Manual RESET
ASM708CPA
4.40 0°C to +70°C
ASM708CSA
4.40 0°C to +70°C
ASM708CUA
4.40 0°C to +70°C
ASM708EPA
4.40 −40°C to +85°C
ASM708ESA
4.40 −40°C to +85°C
ASM813L Active HIGH Reset, Watchdog Output And Manual RESET
ASM813LCPA
4.65 0°C to +70°C
ASM813LCSA
4.65 0°C to +70°C
ASM813LCUA
4.65 0°C to +70°C
ASM813LEPA
4.65 −40°C to +85°C
ASM813LESA
4.65 −40°C to +85°C
3. For parts to be packed in Tape and Reel, add “−T” at the end of the part number.
Pins−Package
8−Plastic DIP
8−SO
8−MicroSO
8−Plastic DIP
8−SO
8−MicroSO
8−Plastic DIP
8−SO
8−MicroSO
8−Plastic DIP
8−SO
8−Plastic DIP
8−SO
8−MicroSO
8−Plastic DIP
8−SO
8−Plastic DIP
8−SO
8−MicroSO
8−Plastic DIP
8−SO
8−Plastic DIP
8−SO
8−MicroSO
8−Plastic DIP
8−SO
Package Marking
ASM705CPA
ASM705CSA
ASM705CUA
ASM705EPA
ASM705ESA
ASM705EUA
ASM706CPA
ASM706CSA
ASM706CUA
ASM706EPA
ASM706ESA
ASM707CPA
ASM707CSA
ASM707CUA
ASM707EPA
ASM707ESA
ASM708CPA
ASM708CSA
ASM708CUA
ASM708EPA
ASM708ESA
ASM813LCPA
ASM813LCSA
ASM813LCUA
ASM813LEPA
ASM813LESA
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11
11 Page |
Páginas | Total 13 Páginas | |
PDF Descargar | [ Datasheet ASM705.PDF ] |
Número de pieza | Descripción | Fabricantes |
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ASM705 | Low Power uP Supervisor Circuits | ON Semiconductor |
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ASM706 | Low Power uP Supervisor Circuits | ON Semiconductor |
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