参数资料
型号: X1288V14I-2.7A
厂商: Intersil
文件页数: 1/27页
文件大小: 0K
描述: IC RTC/CAL/CPU SUP EE 14-TSSOP
标准包装: 95
类型: 时钟/日历
特点: 警报器,闰年,监控器,监视计时器
时间格式: HH:MM:SS:hh(12/24 小时)
数据格式: YY-MM-DD-dd
接口: I²C,2 线串口
电源电压: 2.7 V ~ 5.5 V
电压 - 电源,电池: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 14-TSSOP
包装: 管件
1
FN8102.3
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 is a trademark of Philips. Copyright Intersil Americas Inc. 2005, 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
X1288
2-Wire RTC Real Time
Clock/Calendar/CPU Supervisor with
EEPROM
FEATURES
Real Time Clock/Calendar
— Tracks time in Hours, Minutes, Seconds and
Hundredths of a Second
— Day of the Week, Day, Month, and Year
2 Polled Alarms (Non-volatile)
— Settable on the Second, Minute, Hour, Day of the
Week, Day, or Month
— Repeat Mode (periodic interrupts)
Oscillator Compensation on Chip
— Internal feedback resistor and compensation
capacitors
— 64 position Digitally Controlled Trim Capacitor
— 6 digital-frequency adjustment setting to
±30ppm
CPU Supervisor Functions
— Power-on Reset, Low Voltage Sense
— Watchdog Timer (SW Selectable: 0.25s, 0.75s,
1.75s, off)
Battery Switch or Super Cap Input
32K x 8 Bits of EEPROM
— 128-Byte Page Write Mode
— 8 modes of Block Lock Protection
— Single Byte Write Capability
High Reliability
—Data Retention: 100 years
—Endurance: 100,000 cycles per byte
2-Wire Interface interoperable with I2C*
— 400kHz data transfer rate
Frequency Output (SW Selectable: Off, 1Hz, 100Hz,
or 32.768kHz)
Low Power CMOS
— 1.25A Operating Current (Typical)
Small Package Options
— 16-Lead SOIC and 14-Lead TSSOP
Pb-Free Plus Anneal Available (RoHS Compliant)
APPLICATIONS
Utility Meters
HVAC Equipment
Audio/Video Components
Set Top Box/Television
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
BLOCK DIAGRAM
X1
X2
Oscillator
Frequency
Timer
Logic
Divider
Calendar
8
Control/
Registers
1Hz
Time
Keeping
Registers
Alarm Regs
Compare
Ma
s
k
RESET
Control
Decode
Logic
Alarm
(EEPROM)
SCL
SDA
Serial
Interface
Decoder
256K
EEPROM
ARRAY
Watchdog
Timer
Low Voltage
Reset
Registers
Status
(SRAM)
Select
PHZ/IRQ
VCC
VBACK
32.768kHz
(SRAM)
Battery
Circuitry
Switch
OSC
Compensation
Data Sheet
April 14, 2006
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