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參數(shù)資料
| 型號： | ASM706CUA |
| 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： | MICRO, SOP-8 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 274K |
| 代理商： | ASM706CUA |
ASM706 P/ R/ S/ T/ J
ASM708 R/ S/ T/ J
3 of 16
Notice: The information in this document is subject to change without notice
3/3.3/4.0 V μP Supervisor Circuits
October 2003
rev 1.0
Pin Description
Pin Number
Name
Function
ASM706P
ASM706R/S/T/J
ASM708R/S/T/J
DIP/
SO
MicroSO
DIP/
SO
MicroSO
DIP/
SO
MicroSO
1
3
1
3
1
3
MR
Manual reset input. The active LOW input triggers
a reset pulse. It is pulled HIGH by a 20k
pull-up
resistor. It is compatible with TTL/CMOS signals
when V
CC
= 5V. It can be shorted to ground
through a mechanical switch. Leave folating or
connect to V
CC
if the function is not used.
2
4
2
4
2
4
V
CC
Monitored power supply input.
3
5
3
5
3
5
GND
Ground.
4
6
4
6
4
6
PFI
Power-fail input voltage monitor. With PFI less
than 1.25V, PFO goes LOW. Connect PFI to
Ground when not in use.
5
7
5
7
5
7
PFO
Power-fail output. The output is active LOW and
sinks current when PFI is less than 1.25V. If not
used, leave the pin unconnected.
6
8
6
8
-
-
WDI
Watchdog input. WDI controls the internal watch-
dog timer. A HIGH or LOW signal for 1.6sec at
WDI allows the internal timer to run-out, setting
WDO low. A rising or falling edge must occur at
WDI within 1.6 seconds or WDO goes LOW. The
watchdog function is disabled by floating WDI. The
internal watchdog timer clears when: RESET is
asserted; WDI is three-stated ; or WDI sees a ris-
ing or falling edge.
-
-
-
-
6
8
NC
Not Connected
-
-
7
1
7
1
RESET
Active LOW reset output. Pulses LOW for 200ms
when triggered, and stays LOW whenever V
CC
is
below the reset threshold. RESET remains LOW
for 200ms after V
CC
rises above the reset thresh-
old or MR goes from HIGH to LOW. A watchdog
timeout will not trigger RESET unless WDO is con-
nected to MR.
相關PDF資料 |
PDF描述 |
|---|---|
| ASM706EPA | Low Power UP Supervisor Circuits |
| ASM706EPA-T | Low Power uP Supervisor Circuits |
| ASM706EPAF | Low Power uP Supervisor Circuits |
| ASM706EPAF-T | Low Power uP Supervisor Circuits |
| ASM706ESA | Low Power UP Supervisor Circuits |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ASM706CUAF | 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:Low Power μP Supervisor Circuits |
| ASM706CUAF-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power uP Supervisor Circuits |
| ASM706CUA-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power uP Supervisor Circuits |
| ASM706EPA | 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:Low Power μP Supervisor Circuits |
| ASM706EPAF | 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:Low Power μP Supervisor Circuits |
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