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參數(shù)資料
| 型號： | ASM705EUAF |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Low Power uP Supervisor Circuits |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封裝： | LEAD FREE, MICRO, SOP-8 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大小： | 190K |
| 代理商： | ASM705EUAF |
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
July 2004
Low Power μP Supervisor Circuits
ASM705 / 706 / 707 / 708
ASM813L
rev 1.2
Typical Operating Circuit
+5V Regulator
V
CC
PFI
MR
(RESET)
WDI
WDO
PFO
V
CC
(RESET)
I/O LINE
NMI
INTERRUPT
Unregulated DC
R
1
R
2
μP
ASM705
ASM706
(ASM813L)
RESET
RESET
General Description
The ASM705 / 706 / 707 / 708 and AS813L are cost effective
CMOS supervisor circuits that monitor power-supply and
battery voltage level, and μP/μC 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 4.65V (ASM705/707/813L) or 4.40V
(ASM706/708). For 3V 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 1.25V threshold, useful in low
battery detection and for monitoring non-5V 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
4.65V threshold (ASM705/707/813L)
4.40V threshold (ASM706/708)
Debounced manual reset input
Voltage monitor
1.25V threshold
Battery monitor / Auxiliary supply monitor
Watchdog timer (ASM705/706/813L)
200ms 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 hendheld equipment
Automative Systems
Safety Systems
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ASM705EUAF-T | Low Power uP Supervisor Circuits |
| ASM705CUA | Low Power UP Supervisor Circuits |
| ASM705CUA-T | Low Power uP Supervisor Circuits |
| ASM705CUAF | Low Power uP Supervisor Circuits |
| ASM705CUAF-T | Low Power uP Supervisor Circuits |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASM705EUAF-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power uP Supervisor Circuits |
| ASM705EUA-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power uP Supervisor Circuits |
| ASM706 | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3/3.3/4.0 V uP Supervisor Circuits |
| ASM706CPA | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power uP Supervisor Circuits |
| ASM706CPAF | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power uP Supervisor Circuits |
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