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參數(shù)資料
| 型號： | X1228V14Z-4.5A |
| 廠商： | Intersil |
| 文件頁數(shù)： | 1/29頁 |
| 文件大小： | 0K |
| 描述： | IC RTC/CAL/CPU SUP EE 14-TSSOP |
| 標(biāo)準(zhǔn)包裝： | 95 |
| 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： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-TSSOP |
| 包裝： | 管件 |
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1
FN8100.4
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.
Copyright Intersil Americas Inc. 2005, 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
X1228
4K (512 x 8), 2-Wire RTC
Real Time Clock/Calendar/CPU
Supervisor with EEPROM
FEATURES
Real Time Clock/Calendar
— Tracks Time in Hours, Minutes, and Seconds
— 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 Settings 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
512 x 8 Bits of EEPROM
— 64-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,
4096Hz, or 32.768kHz)
Low Power CMOS
— 1.25A Operating Current (Typical)
Small Package Options
— 14 Ld SOIC and 14 Ld TSSOP
Repetitive Alarms
Temperature Compensation
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
sk
RESET
Control
Decode
Logic
Alarm
(EEPROM)
SCL
SDA
Serial
Interface
Decoder
4K
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
May 18, 2006
NOT
RECO
MME
NDED
FOR
NEW
DESI
GNS
SEE
ISL12
028
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