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參數(shù)資料
| 型號： | ISL12027IV27AZ |
| 廠商： | Intersil |
| 文件頁數(shù)： | 1/28頁 |
| 文件大小： | 0K |
| 描述： | IC RTC/CALENDAR EEPROM 8-TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Solutions for Industrial Control Applications |
| 標(biāo)準(zhǔn)包裝： | 960 |
| 類型： | 時鐘/日歷 |
| 特點： | 警報器，閏年，監(jiān)控器，監(jiān)視計時器 |
| 時間格式： | HH:MM:SS（12/24 小時） |
| 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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ISL12027, ISL12027A
Real Time Clock/Calendar with EEPROM
The ISL12027 device is a low power real time clock with
timing and crystal compensation, clock/calender, power-fail
indicator, two periodic or polled alarms, intelligent battery
backup switching, CPU Supervisor and integrated 512x8-bit
EEPROM, in 16 Byte per page format.
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.
The ISL12027 and ISL12027A Power Control Settings are
different. The ISL12027 uses the Legacy Mode Setting, and
the ISL12027A uses the Standard Mode Setting.
Applications that have VBAT > VDD will require only the
ISL12027A. Please refer to“Power Control Operation” on
page 15 for more details. Also, please refer to “I2C
Communications During Battery Backup and LVR Operation”
on page 24 for important details.
Features
Real Time Clock/Calendar
- Tracks Time in Hours, Minutes and Seconds
- Day of the Week, Day, Month and Year
Two Non-Volatile Alarms
- Settable on the Second, Minute, Hour, Day of the Week,
Day, or Month
- Repeat Mode (Periodic Interrupts)
Automatic Backup to Battery or SuperCap
On-Chip Oscillator Compensation
- Internal Feedback Resistor and Compensation
Capacitors
- 64 Position Digitally Controlled Trim Capacitor
- 6 Digital Frequency Adjustment Settings to ±30ppm
512x8-Bits of EEPROM
- 16-Byte Page Write Mode (32 total pages)
- 8 Modes of BlockLock Protection
- Single Byte Write Capability
High Reliability
- Data Retention: 50 years
- Endurance: >2,000,000 Cycles Per Byte
I2C-bus Interface
- 400kHz Data Transfer Rate
800nA Battery Supply Current
Package Options
- 8 Ld SOIC and 8 Ld TSSOP Packages
Pb-Free (RoHS Compliant)
Applications
Utility Meters
HVAC Equipment
Audio/Video Components
Modems
Network Routers, Hubs, Switches, Bridges
Cellular Infrastructure Equipment
Fixed Broadband Wireless Equipment
Pagers/PDA
POS Equipment
Test Meters/Fixtures
Office Automation (Copiers, Fax)
Home Appliances
Computer Products
Other Industrial/Medical/Automotive
Pinouts
ISL12027, ISL12027A
(8 LD TSSOP)
TOP VIEW
ISL12027, ISL12027A
(8 LD SOIC)
TOP VIEW
X1
X2
VBAT
VDD
RESET
SCL
SDA
GND
1
2
3
4
7
8
6
5
X1
X2
VBAT
VDD
RESET
SCL
SDA
GND
1
2
3
4
7
8
6
5
Data Sheet
FN8232.8
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
I2C-bus is a trademark of NXP B.V.
, BlockLock is a trademark of Intersil Corporation or one of its subsidiaries
Copyright Intersil Americas Inc. 2005, 2006, 2010. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
August 12, 2010
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| ISL12027IV27AZ-T | 功能描述:實時時鐘 REAL TIME CLK/CLNDR W/EEPROM 2 92VSET 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 時間格式:HH:MM:SS RTC 存儲容量: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 |
| ISL12027IV27Z | 功能描述:實時時鐘 REAL TIME CLK/CLNDR W/EEPROM 2 7VSET 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 時間格式:HH:MM:SS RTC 存儲容量: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 |
| ISL12027IV27Z-T | 功能描述:實時時鐘 REAL TIME CLK/CLNDR W/EEPROM 2 7VSET 8 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 時間格式:HH:MM:SS RTC 存儲容量: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 |
| ISL12027IV30AZ | 功能描述:實時時鐘 REAL TIME CLK/CLNDR W/EEPROM 3 09VSET 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 時間格式:HH:MM:SS RTC 存儲容量: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 |
| ISL12027IV30AZ-T | 功能描述:實時時鐘 REAL TIME CLK/CLNDR W/EEPROM 3 09VSET 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 時間格式:HH:MM:SS RTC 存儲容量: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 |
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