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| 型号： | ASM706JCUA-T |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封装： | MICRO, SOP-8 |
| 文件页数： | 1/18页 |
| 文件大小： | 305K |
| 代理商： | ASM706JCUA-T |
Alliance Semiconductor
2575 Augustine Drive . Santa Clara, CA 95054 . Tel: 408.855.4900 . Fax: 408.855.4999 . www.alsc.com
Notice: The information in this document is subject to change without notice
April 2005
rev 1.5
3/3.3/4.0 V P Supervisor Circuits
ASM706 P/ R/ S/ T/ J
ASM708 R/ S/ T/ J
General Description
The ASM706P/R/S/T/J and ASM708R/S/T/J are cost effective
CMOS supervisor circuits that monitor power-supply, battery
voltage level and
P/C operation.
The family offers several functional options. Each device
generates a reset signal during power-up, power-down and
brownout conditions. A reset is generated when the supply
drops
below
2.63V
(ASM706P/R,
ASM708R),
2.93V
(ASM706S, ASM708S), 3.08V (ASM706T, ASM708T) or 4.00V
(ASM706J, ASM708J). In addition, the ASM706P/R/S/T/J
feature a 1.6 second watchdog timer. The watchdog timer
output will trigger a reset if connected to MR. Floating the WDI
input pin disables the watchdog timer.
The ASM708R/S/T/J have both active-HIGH and active-LOW
reset outputs but no watchdog function. The ASM706P has the
same pin-out and functions as the ASM706R but has an active-
HIGH reset output.
A versatile power-fail circuit, useful in checking battery levels
and non-5V supplies, has a 1.25V threshold. All devices have a
manual reset input. All devices are available in 8-pin DIP, SO
and the compact MicroSO packages. The MicroSO package
requires 50% less PC board area than the conventional SO
package.
Features
Precision power supply monitor
2.63V threshold (ASM706P/R, ASM708R)
2.93V threshold (ASM706S, ASM708S)
3.08V threshold (ASM706T, ASM708T)
New 4.00V threshold (ASM706J, ASM708J)
Debounced manual reset input
Auxiliary voltage monitor comparator
1.25V threshold
Battery monitor / auxiliary supply monitor
Watchdog timer (ASM706P/R/S/T/J)
Watchdog can be disabled by floating WDI
200ms reset time delay
Three reset signal options
Active HIGH: ASM706P
Active LOW: ASM706R/S/T/J
Active HIGH and LOW outputs: ASM708R/S/T/J
DIP, SO and MicroSO packages
Guaranteed RESET assertion to VCC = 1.1V
Applications
Computers and embedded controllers
CTI applications
Automotive systems
Portable/Battery-operated systems
Intelligent instruments
Wireless communication systems
PDAs and hand-held equipment
Safety systems
Typical Operating Circuit
+3.3V Regulator
VCC
PFI
MR
(RESET)
WDI
WDO
PFO
VCC
(RESET)
I/O LINE
NMI
INTERRUPT
Unregulated DC
R1
R2
P
ASM706 R/S/T
ASM708 R/S/T
(ASM706 P)
RESET
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ASM706JEPA | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:3/3.3/4.0 V uP Supervisor Circuits |
| ASM706JESA | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:3/3.3/4.0 V uP Supervisor Circuits |
| ASM706PCPA | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:3/3.3/4.0 V uP Supervisor Circuits |
| ASM706PCSA | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:3/3.3/4.0 V uP Supervisor Circuits |
| ASM706PCUA | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:3/3.3/4.0 V uP Supervisor Circuits |
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