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參數(shù)資料
| 型號(hào)： | X4283V8I |
| 英文描述： | TRANSISTOR,IGBT POWER MODULE,INDEPENDENT,1.7kV V(BR)CES,440A I(C) RoHS Compliant: Yes |
| 中文描述： | CPU監(jiān)控與128K的EEPROM的 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 412K |
| 代理商： | X4283V8I |
REV 1.17 11/27/00
Characteristics subject to change without notice.
1 of 22
www.xicor.com
Preliminary Information
128K
X4283/85
16K x 8 Bit
CPU Supervisor with 128K EEPROM
FEATURES
Selectable watchdog timer
Low V
CC
detection and reset assertion
—Four standard reset threshold voltages
—Adjust low V
CC
reset threshold voltage using
special programming sequence
—Reset signal valid to V
Low power CMOS
—<20μA max standby current, watchdog on
—<1μA standby current, watchdog OFF
—3mA active current
128Kbits of EEPROM
—64 byte page write mode
—Self-timed write cycle
—5ms write cycle time (typical)
Built-in inadvertent write protection
—Power-up/power-down protection circuitry
—Protect 0, 1/4, 1/2, all or 64, 128, 256 or 512
bytes of EEPROM array with programmable
Block Lock
protection
400kHz 2-wire interface
2.7V to 5.5V power supply operation
Available packages
—8-lead SOIC
—8-lead TSSOP
CC
= 1V
DESCRIPTION
The X4283/85 combines four popular functions,
Power-on Reset Control, Watchdog Timer, Supply Volt-
age Supervision, and Block Lock protect serial
EEPROM memory in one package. This combination
lowers system cost, reduces board space require-
ments, and increases reliability.
Applying power to the device activates the power on
reset circuit which holds RESET/RESET active for a
period of time. This allows the power supply and oscilla-
tor to stabilize before the processor can execute code.
The Watchdog Timer provides an independent protec-
tion mechanism for microcontrollers. When the micro-
controller fails to restart a timer within a selectable
time out interval, the device activates the RESET/
RESET signal. The user selects the interval from three
preset values. Once selected, the interval does not
change, even after cycling the power.
The device’s low V
user’s system from low voltage conditions, resetting
the system when V
CC
falls below the set minimum V
trip point. RESET/RESET is asserted until V
to proper operating level and stabilizes. Four industry
CC
detection circuitry protects the
CC
CC
returns
BLOCK DIAGRAM
Watchdog
Timer Reset
Data
Register
Command
Decode &
Control
Logic
SDA
SCL
V
CC
Reset &
Watchdog
Timebase
Power on and
Low Voltage
Generation
V
TRIP
+
-
RESET (X4283)
RESET (X4285)
Reset
Status
Register
EEPROM Array
Protect Logic
Watchdog Transition
Detector
WP
V
CC
Threshold
Reset logic
B
8
S0
S1
相關(guān)PDF資料 |
PDF描述 |
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| X4283V8I-4.5A | IGBT MODULE, DUAL, 1700V; Transistor type:IGBT; Voltage, Vces:1700V; Current, Ic continuous a max:430A; Voltage, Vce sat max:2.4V; Case style:SEMITRANS 3; Centres, fixing:93mm; Current, Ic av:430A; Current, Ic continuous b max:310A; RoHS Compliant: Yes |
| X4285 | IGBT MODULE, DUAL 600VIGBT MODULE, DUAL 600V; Transistor type:IGBT; Case style:SEMITRANS2; Voltage, Vceo:600V; Voltage, Vce sat max:2.5V; Current, Ic continuous a max:70A; Current, Icm pulsed:70A; Time, rise:40ns; Centres, |
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| X4285AM | CPU Supervisor with 128K EEPROM |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X4283V8I-2.7 | 功能描述:IC SUPERVISOR CPU 128K EE 8TSSOP 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(jiǎn)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 |
| X4283V8I-2.7A | 功能描述:IC SUPERVISOR CPU 128K EE 8TSSOP 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(jiǎn)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 |
| X4283V8I-4.5A | 功能描述:IC SUPERVISOR CPU 128K EE 8TSSOP 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(jiǎn)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 |
| X4283V8IZ-2.7 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CPU Supervisor with 128K EEPROM |
| X4283V8IZ-2.7A | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CPU Supervisor with 128K EEPROM |
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