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參數(shù)資料
| 型號： | X40021 |
| 廠商： | Intersil Corporation |
| 英文描述： | DIODE, STUD 95A 1200V |
| 中文描述： | 雙電壓監(jiān)視器集成CPU監(jiān)控和系統(tǒng)電池開關 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大小： | 346K |
| 代理商： | X40021 |
1
FN8112.0
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
X40020, 40021
Dual Voltage Monitor with Integrated CPU
Supervisor and System Battery Switch
FEATURES
Dual voltage detection and reset assertion
—Three standard reset threshold settings
(4.6V/2.9V, 4.6V/2.6V, 2.9V/1.6V)
—V
TRIP2
Programmable down to 0.9V
—Adjust low voltage reset threshold voltages
using special programming sequence
—Reset signal valid to V
CC
= 1V
—Monitor two voltages or detect power fail
Battery Switch Backup
V
OUT
: 5mA to 50mA from V
CC
; 250μA from V
BATT
Fault detection register
Selectable power-on reset timeout
(0.05s, 0.2s, 0.4s, 0.8s)
Selectable watchdog timer interval
(25ms, 200ms, 1.4s, off)
Debounced manual reset input
Low power CMOS
—25μA typical standby current, watchdog on
—6μA typical standby current, watchdog off
—1μA battery current in backup mode
400kHz 2-wire interface
2.7V to 5.5V power supply operation
Available packages
—14-lead SOIC, TSSOP
Monitor Voltages: 5V to 1.6V
Memory Security
Battery Switch Backup
V
OUT
5mA to 50mA
APPLICATIONS
Communications Equipment
—Routers, Hubs, Switches
—Disk arrays
Industrial Systems
—Process Control
—Intelligent Instrumentation
Computer Systems
—Desktop Computers
—Network Servers
X40020/21
DESCRIPTION
The X40020 combines power-on reset control, watch-
dog timer, supply voltage supervision, and secondary
supervision, and manual reset, in one package. This
combination lowers system cost, reduces board space
requirements, and increases reliability.
Applying voltage to V
CC
activates the power-on reset
circuit which holds RESET/RESET active for a period of
time. This allows the power supply and system oscilla-
tor to stabilize before the processor can execute code.
BLOCK DIAGRAM
Standard V
TRIP1
Level Standard V
TRIP2
, Level
4.6V (+/-1%)
4.6V (+/-1%)
2.9V(+/-1.7%)
See “Ordering Information” for more details
For Custom Settings, call Intersil.
Suffix
-A
-B
-C
2.9V(+/-1.7%)
2.6V (+/-2%)
1.6V (+/-3%)
V2FAIL
WDO
MR
LOWLINE
RESET
X40021
RESET
X40020
+
-
V2Logic
V
TRIP2
FaRegister
Status
Register
Data
Register
Command
Decode Test
& Control
Logic
Power-on,
Manual Reset
LoReset
Generation
V
CC
Monitor
Logic
V2MON
SDA
WP
SCL
V
CC
(V1MON)
Watchdog
and
Reset Logic
System
Battery
Switch
V
BATT
V
OUT
BATT-ON
+
-
V
TRIP1
V
OUT
V
OUT
V
OUT
Data Sheet
March 28, 2005
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| X40021V14-C | Dual Voltage Monitor with Intergrated CPU Supervisor |
| X40021V14I-A | Dual Voltage Monitor with Intergrated CPU Supervisor |
| X40021V14I-B | Dual Voltage Monitor with Intergrated CPU Supervisor |
相關代理商/技術參數(shù) |
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|---|---|
| X400-21FA | 制造商:MOFLASH SIGNALLING 功能描述:BEACON XENON HIGH OUTPUT |
| X40021S14-A | 功能描述:IC VOLTAGE MONITOR DUAL 14-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:100 系列:- 類型:簡單復位/加電復位 監(jiān)視電壓數(shù)目:1 輸出:- 復位:低有效 復位超時:最小為 100 ms 電壓 - 閥值:4.38V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:8-TSSOP 包裝:管件 |
| X40021S14-AT1 | 功能描述:IC VOLTAGE MONITOR DUAL 14-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:100 系列:- 類型:簡單復位/加電復位 監(jiān)視電壓數(shù)目:1 輸出:- 復位:低有效 復位超時:最小為 100 ms 電壓 - 閥值:4.38V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:8-TSSOP 包裝:管件 |
| X40021S14-B | 功能描述:IC VOLTAGE MONITOR DUAL 14-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:100 系列:- 類型:簡單復位/加電復位 監(jiān)視電壓數(shù)目:1 輸出:- 復位:低有效 復位超時:最小為 100 ms 電壓 - 閥值:4.38V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:8-TSSOP 包裝:管件 |
| X40021S14-BT1 | 功能描述:IC VOLTAGE MONITOR DUAL 14-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:100 系列:- 類型:簡單復位/加電復位 監(jiān)視電壓數(shù)目:1 輸出:- 復位:低有效 復位超時:最小為 100 ms 電壓 - 閥值:4.38V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:8-TSSOP 包裝:管件 |
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