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參數(shù)資料
| 型號： | X40620V8-3.1 |
| 英文描述： | 8MHZ, TQFP, IND TEMP(MCU AVR) |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 401K |
| 代理商： | X40620V8-3.1 |
REV 1.24 11/27/00
Characteristics subject to change without notice.
1 of 22
www.xicor.com
Preliminary Information
16K
X4163/5
2K x 8 Bit
CPU Supervisor with 16K 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
16Kbits 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
400kHz 2-wire interface
2.7V to 5.5V power supply operation
Available Packages
—8-lead SOIC
—8-lead TSSOP
CC
= 1V
DESCRIPTION
The X4163/5 combines four popular functions, Power-on
Reset Control, Watchdog Timer, Supply Voltage
Supervision, and Serial EEPROM Memory in one
package. This combination lowers system cost,
reduces board space requirements, and increases reli-
ability.
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
point. RESET/RESET is asserted until V
proper operating level and stabilizes. Four industry stan-
dard V
TRIP
thresholds are available, however, Xicor’s
unique circuits allow the threshold to be reprogrammed
to meet custom requirements or to fine-tune the thresh-
old for applications requiring higher precision.
CC
detection circuitry protects the
CC
trip
CC
returns to
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 (X4163)
RESET (X4165)
Reset
Status
Register
EEPROM Array
Protect Logic
Watchdog Transition
Detector
WP
V
CC
Threshold
Reset logic
B
2
S0
S1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X40620V8-3.1A | 8MHZ, MLF, IND TEMP, GREEN(MCU AVR) |
| X40620V8E-2.9 | Analog IC |
| X40620V8E-3.1 | Analog IC |
| X40620V8E-3.1A | Analog IC |
| X40620 | RTC Module With CPU Supervisor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X40620V8E-2.9 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| X40620V8E-3.1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| X40620V8E-3.1A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| X40626 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Dual Voltage CPU Supervisor with 64K Serial EEPROM |
| X40626S14 | 功能描述:IC SUPERVISOR CPU DUAL 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: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 |
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