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| 型號(hào)： | ISL12022IBZ |
| 廠商： | Intersil |
| 文件頁(yè)數(shù)： | 1/29頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC RTC/CALENDAR TEMP SNSR 8-SOIC |
| 應(yīng)用說(shuō)明： | Addressing Power Issues in Real Time Clock Appls |
| 產(chǎn)品培訓(xùn)模塊： | Solutions for Industrial Control Applications |
| 標(biāo)準(zhǔn)包裝： | 98 |
| 類(lèi)型： | 時(shí)鐘/日歷 |
| 特點(diǎn)： | 警報(bào)器，夏令時(shí)，閏年，SRAM |
| 存儲(chǔ)容量： | 128B |
| 時(shí)間格式： | HH:MM:SS（12/24 小時(shí)） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | I²C，2 線串口 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 電壓 - 電源，電池： | 1.8 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁(yè)面： | 1245 (CN2011-ZH PDF) |
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CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas Inc. 2008, 2009, 2011. All Rights Reserved
Intersil (and design) and Battery Reseal are trademarks owned by Intersil Corporation or one of its subsidiaries.
I2C Bus is a trademark owned by NXP Semiconductors Netherlands, B.V. All other trademarks mentioned are the property of their respective owners.
Low Power RTC with Battery-Backed SRAM and
Embedded Temp Compensation ±5ppm with Auto
Daylight Saving
ISL12022
The ISL12022 device is a low power real time clock with an
embedded Temp sensor for oscillator compensation,
clock/calendar, power fail, low battery monitor, brownout
indicator, single periodic or polled alarms, intelligent
battery-backup switching, Battery Reseal function and
128 bytes of battery-backed user SRAM.
The oscillator uses an external, low-cost 32.768kHz crystal.
The real time clock tracks time with separate registers for
hours, minutes, and seconds. The device has calendar
registers for date, month, year and day of the week. The
calendar is accurate through 2099, with automatic leap year
correction.
Daylight Savings time adjustment is done automatically, using
parameters entered by the user. Power fail and battery
monitors offer user-selectable trip levels. A time stamp
function records the time and date of switchover from VDD to
VBAT power, and also from VBAT to VDD power.
Applications
Utility Meters
POS Equipment
Medical Devices
Security Systems
Vending Machines
White Goods
Printers and Copiers
Features
Real Time Clock/Calendar
- Tracks Time in Hours, Minutes and Seconds
- Day of the Week, Day, Month and Year
On-chip Oscillator Compensation Over the Operating
Temperature Range
- ±5ppm Over -40°C to +85°C
10-bit Digital Temperature Sensor Output
- ±2°C Accuracy
Customer Programmable Day Light Saving Time
15 Selectable Frequency Outputs
1 Alarm
- Settable to the Second, Minute, Hour, Day of the Week,
Day, or Month
- Single Event or Pulse Interrupt Mode
Battery Reseal Function to Extend Battery Shelf Life
Automatic Backup to Battery or Super Capacitor
-Operation to VBAT = 1.8V
- 1.0A Battery Supply Current
Battery Status Monitor
- 2 User Programmable Levels
- Seven Selectable Voltages for Each Level
Power Status Brownout Monitor
- Six Selectable Trip Levels, from 2.295V to 4.675V
Oscillator Failure Detection
Time Stamp for First VDD to VBAT, and Last VBAT to VDD
128 Bytes Battery-Backed User SRAM
I2C Bus
- 400kHz Clock Frequency
1A Typical Battery Current
Pb-Free (RoHS Compliant)
FIGURE 1. TYPICAL APPLICATION CIRCUIT
DBAT
CBAT
CIN
BAT43W
0.1F
VDD = 2.7V
TO 5.5V
VBAT = 1.8V
TO 3.2V
JBAT
ISL12022
VDD
GND
VBAT
+
November 22, 2011
FN6659.3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| ISL12022IBZ-T | 功能描述:實(shí)時(shí)時(shí)鐘 REAL TIME CLK/CLNDR W/TEMP COMP 8 L RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| ISL12022IBZ-T7A | 功能描述:實(shí)時(shí)時(shí)鐘 REAL TIME CLK/CLNDR W/TEMP COMP 8 L RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| ISL12022M | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature Compensation, and Auto Daylight Saving |
| ISL12022M_09 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature Compensation, and Auto Daylight Saving |
| ISL12022M_10 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Low Power RTC with Battery Backed SRAM,Integrated ±5ppm Temperature Compensation and Auto Daylight Saving |
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