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X1227V8IZ-4.5A Datasheet

  • X1227V8IZ-4.5A

  • 2-Wire RTC Real TimeClock/Calendar/CPU Supervisor with EEPRO...

  • 28頁

  • INTERSIL   INTERSIL

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廬
X1227
Data Sheet
September 15, 2005
FN8099.1
PRELIMINARY
2-Wire
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RTC Real TimeClock/Calendar/
CPU Supervisor with EEPROM
FEATURES
鈥?Real Time Clock/Calendar
鈥?Tracks time in Hours, Minutes, and Seconds
鈥?Day of the Week, Day, Month, and Year
鈥?2 Polled Alarms (Non-volatile)
鈥?Settable on the Second, Minute, Hour, Day of the
Week, Day, or Month
鈥?Repeat Mode (periodic interrupts)
鈥?Oscillator Compensation on chip
鈥?Internal feedback resistor and compensation
capacitors
鈥?64 position Digitally Controlled Trim Capacitor
鈥?6 digital frequency adjustment settings to 鹵30ppm
鈥?CPU Supervisor Functions
鈥?Power-on Reset, Low Voltage Sense
鈥?Watchdog Timer (SW Selectable: 0.25s, 0.75s,
1.75s, off)
鈥?Battery Switch or Super Cap Input
鈥?512 x 8 Bits of EEPROM
鈥?64-Byte Page Write Mode
鈥?8 modes of Block Lock鈩?Protection
鈥?Single Byte Write Capability
鈥?High Reliability
鈥?Data Retention: 100 years
鈥?Endurance: 100,000 cycles per byte
鈥?2-Wire鈩?Interface interoperable with I2C*
鈥?400kHz data transfer rate
鈥?Low Power CMOS
鈥?1.25碌A(chǔ) Operating Current (Typical)
鈥?Small Package Options
鈥?8-Lead SOIC and 8-Lead TSSOP
鈥?Repetitive Alarms
鈥?Temperature Compensation
鈥?Pb-Free Plus Anneal Available (RoHS Compliant)
APPLICATIONS
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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
DESCRIPTION
The X1227 device is a Real Time Clock with
clock/calendar, two polled alarms with integrated 512x8
EEPROM, oscillator compensation, CPU Supervisor
(POR/LVS and WDT) and battery backup switch.
The oscillator uses an external, low-cost 32.768kHz
crystal. All compensation and trim components are
integrated on the chip. This eliminates several external
discrete components and a trim capacitor, saving
board area and component cost.
BLOCK DIAGRAM
OSC
Compensation
X1
Timer
Calendar
Logic
Time
Keeping
Registers
(SRAM)
Battery
Switch
Circuitry
V
CC
V
BACK
32.768kHz
X2
Oscillator
Frequency
Divider
1Hz
SCL
SDA
8
RESET
Watchdog
Timer
Low Voltage
Reset
Mask
Serial
Interface
Decoder
Control
Decode
Logic
Control/
Registers
(EEPROM)
Status
Registers
(SRAM)
Alarm
Compare
Alarm Regs
(EEPROM)
4K
EEPROM
ARRAY
1
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. All Rights Reserved
*I2C is a Trademark of Philips. All other trademarks mentioned are the property of their respective owners.

X1227V8IZ-4.5A 產(chǎn)品屬性

  • 100

  • 集成電路 (IC)

  • 時鐘/計(jì)時 - 實(shí)時時鐘

  • -

  • 時鐘/日歷

  • 警報器，閏年，監(jiān)控器，監(jiān)視計(jì)時器

  • -

  • HH:MM:SS（12/24 小時）

  • YY-MM-DD-dd

  • I²C，2 線串口

  • 4.5 V ~ 5.5 V

  • 1.8 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 8-TSSOP（0.173"，4.40mm 寬）

  • 8-TSSOP

  • 管件

X1227V8IZ-4.5A相關(guān)型號PDF文件下載

  • 型號
    版本
    描述
    廠商
    下載
  • 英文版
    Real Time Clock/Calendar with EEPROM
    XICOR
  • 英文版
    Real Time Clock/Calendar with EEPROM
    INTERSIL [...
  • 英文版
    Real Time Clock/Calendar with EEPROM
    XICOR [Xic...
  • 英文版
    2-Wire RTC Real TimeClock/Calendar/CPU Supervisor with EEPRO...
    INTERSIL
  • 英文版
    Real Time Clock/Calendar/CPU Supervisor with EEPROM
    XICOR
  • 英文版
    Real Time Clock/Calendar/CPU Supervisor with EEPROM
    XICOR [Xic...
  • 英文版
    2-Wire RTC Real TimeClock/Calendar/CPU Supervisor with EEPRO...
    INTERSIL [...
  • 英文版
    Real Time Clock/Calendar/CPU Supervisor with EEPROM
    INTERSIL
  • 英文版
    Real Time Clock/Calendar/CPU Supervisor with EEPROM
    XICOR
  • 英文版
    Real Time Clock/Calendar/CPU Supervisor with EEPROM
    XICOR [Xic...
  • 英文版
    Real Time Clock/Calendar/CPU Supervisor with EEPROM
    INTERSIL [...
  • 英文版
    CRYSTAL OSCILLATOR 12.288000MHZ
    ETC
  • 英文版
    Real Time Clock/Calendar with EEPROM
    XICOR
  • 英文版
    Real Time Clock/Calendar with EEPROM
    XICOR [Xic...
  • 英文版
    Real Time Clock/Calendar with EEPROM
    INTERSIL [...
  • 英文版
    Real Time Clock/Calendar with EEPROM
    XICOR
  • 英文版
    Real Time Clock/Calendar with EEPROM
    INTERSIL [...
  • 英文版
    Real Time Clock/Calendar with EEPROM
    XICOR [Xic...
  • 英文版
    2-Wire RTC Real TimeClock/Calendar/CPU Supervisor with EEPRO...
    INTERSIL
  • 英文版
    Real Time Clock/Calendar/CPU Supervisor with EEPROM
    XICOR

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