參數(shù)資料
型號: X40431
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Dual Voltage Monitor with Intergrated CPU Supervisor
中文描述: 雙電壓監(jiān)視器集成CPU監(jiān)控
文件頁數(shù): 1/26頁
文件大?。?/td> 142K
代理商: X40431
REV 1.3.16 7/13/02
Characteristics subject to change without notice.
1 of 26
www.xicor.com
Monitor Voltages: 5V to 0.9V
Memory Security
Independent Core Voltage Monitor
New Features
4Kbit EEPROM
X40430/X40431/X40434/X40435
Triple Voltage Monitor with Integrated CPU Supervisor
FEATURES
Triple voltage detection and reset assertion
—Standard reset threshold settings. See selec-
tion table on page 2.
—Adjust low voltage reset threshold voltages
using special programming sequence
—Reset signal valid to V
—Monitor three separate voltages
Fault detection register
Selectable power on reset timeout
(0.05s, 0.2s, 0.4s, 0.8s)
Selectable watchdog timer interval
(25ms, 200ms, 1.4s or off)
Debounced manual reset input
Low power CMOS
—25μA typical standby current, watchdog on
—6μA typical standby current, watchdog off
4Kbits of EEPROM
—16 byte page write mode
—5ms write cycle time (typical)
Built-in inadvertent write protection
—Power-up/power-down protection circuitry
—Block lock protect 0, or 1/2, of EEPROM
400kHz 2-wire interface
2.7V to 5.5V power supply operation
Available packages
—14-lead SOIC, TSSOP
CC
= 1V
APPLICATIONS
Communication Equipment
—Routers, Hubs, Switches
—Disk Arrays, Network Storage
Industrial Systems
—Process Control
—Intelligent Instrumentation
Computer Systems
—Computers
—Network Servers
DESCRIPTION
The X40430/31/34/35 combines power-on reset control,
watchdog timer, supply voltage supervision, second and
third voltage supervision, manual reset, and Block Lock
protect serial EEPROM in one package. This
combination lowers system cost, reduces board space
requirements, and increases reliability.
Applying voltage to V
circuit which holds RESET/RESET active for a period of
time. This allows the power supply and system oscillator
to stabilize before the processor can execute code.
CC
activates the power on reset
Low V
from low voltage conditions, resetting the system when
V
CC
falls below the minimum V
RESET is active until V
CC
returns to proper operating
CC
detection circuitry protects the user’s system
TRIP1
point. RESET/
BLOCK DIAGRAM
V3FAIL
V2FAIL
WDO
MR
LOWLINE
RESET
X40431/35
XRESET
V3 Monitor
Logic
V2 Monitor
Logic
Fault Detection
Register
Status
Register
EEPROM
Array
Data
Register
Command
Decode Test
& Control
Logic
Power on,
Manual Reset
Low Voltage
Reset
Generation
V
CC
Monitor
Logic
V3MON
V2MON
SDA
WP
SCL
V
CC
(V1MON)
+
-
+
-
Watchdog
and
Reset Logic
V
TRIP3
+
-
V
TRIP2
V
TRIP1
*X40430/31=
X40434/35 =V
CC
V
or
V2MON*
V2MON
Preliminary Datasheet
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
X40431S14-A 功能描述:IC VOLT MON TRPL EEPROM 14-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:- 復(fù)位:低有效 復(fù)位超時(shí):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(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件
X40431S14-AT1 功能描述:IC VOLT MON TRPL EEPROM 14-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:- 復(fù)位:低有效 復(fù)位超時(shí):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(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件
X40431S14-B 功能描述:IC VOLT MON TRPL EEPROM 14-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:- 復(fù)位:低有效 復(fù)位超時(shí):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(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件
X40431S14-BT1 功能描述:IC VOLT MON TRPL EEPROM 14-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:- 復(fù)位:低有效 復(fù)位超時(shí):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(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件
X40431S14-C 功能描述:IC VOLT MON TRPL EEPROM 14-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:- 復(fù)位:低有效 復(fù)位超時(shí):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(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件