Datasheet > X1228_06

X1228_06

更新时间： 2024-09-15 03:54:19

品牌	Logo	应用领域
英特矽尔 - INTERSIL		监控可编程只读存储器电动程控只读存储器电可擦编程只读存储器时钟
页数	文件大小	规格书
29页	421K
描述
Real Time Clock/Calendar/CPU Supervisor with EEPROM

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X1228_06 数据手册

X1228

™

4K (512 x 8), 2-Wire RTC

Data Sheet

May 18, 2006

FN8100.4

• 2-Wire™ Interface Interoperable with I²C*

—400kHz Data Transfer Rate

• Frequency Output (SW Selectable: Off, 1Hz,

4096Hz, or 32.768kHz)

• Low Power CMOS

—1.25µA Operating Current (Typical)

• Small Package Options

—14 Ld SOIC and 14 Ld TSSOP

• Repetitive Alarms

• Temperature Compensation

• Pb-Free Plus Anneal Available (RoHS Compliant)

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

APPLICATIONS

• Utility Meters

• HVAC Equipment

• Audio/Video Components

• Set Top Box/Television

• Modems

• CPU Supervisor Functions

• 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

—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

• Other Industrial/Medical/Automotive

BLOCK DIAGRAM

OSC Compensation

Select

Timer

Calendar

Logic

Battery

Switch

Circuitry

Time

Keeping

Registers

V_CC

Frequency

Divider

1Hz

Oscillator

32.768kHz

V_BACK

(SRAM)

PHZ/IRQ

Status

Control/

Control

Decode

Logic

Compare

Serial

Interface

Decoder

Registers

SCL

SDA

Registers

Alarm

(EEPROM)

(SRAM)

Alarm Regs

(EEPROM)

EEPROM

ARRAY

Watchdog

Timer

Low Voltage

Reset

RESET

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.

All other trademarks mentioned are the property of their respective owners.

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与X1228_06相关器件

型号	品牌	获取价格	描述	数据表
X1228S14	XICOR	获取价格	Real Time Clock/Calendar/CPU Supervisor with EEPROM
X1228S14	INTERSIL	获取价格	Real Time Clock/Calendar/CPU Supervisor with EEPROM
X1228S14-2.7	XICOR	获取价格	Real Time Clock/Calendar/CPU Supervisor with EEPROM
X1228S14-2.7	INTERSIL	获取价格	Real Time Clock/Calendar/CPU Supervisor with EEPROM
X1228S14-2.7A	XICOR	获取价格	Real Time Clock/Calendar/CPU Supervisor with EEPROM
X1228S14-2.7A	INTERSIL	获取价格	Real Time Clock/Calendar/CPU Supervisor with EEPROM
X1228S14-2.7AT1	RENESAS	获取价格	1 TIMER(S), REAL TIME CLOCK, PDSO14, PLASTIC, SOIC-14
X1228S14-2.7T1	INTERSIL	获取价格	Real Time Clock/Calendar/CPU Supervisor with EEPROM
X1228S14-4.5A	XICOR	获取价格	Real Time Clock/Calendar/CPU Supervisor with EEPROM
X1228S14-4.5A	INTERSIL	获取价格	Real Time Clock/Calendar/CPU Supervisor with EEPROM

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