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RTC

FEATURES

鈥?Real Time Clock/Calendar

鈥擳racks time in Hours, Minutes, and Seconds

鈥擠ay of the Week, Day, Month, and Year

鈥?2 Polled Alarms (Non-volatile)

鈥擲ettable on the Second, Minute, Hour, Day of

the Week, Day, or Month

鈥擱epeat Mode (periodic interrupts)

鈥?Oscillator Compensation on chip

鈥擨nternal feedback resistor and compensation

capacitors

鈥?4 position Digitally Controlled Trim Capacitor

鈥? digital frequency adjustment settings to

鹵30ppm

鈥?Battery Switch or Super Cap Input

鈥?512 x 8 Bits of EEPROM

鈥?4-Byte Page Write Mode

鈥? modes of Block Lock鈩?Protection

鈥擲ingle Byte Write Capability

鈥?High Reliability

鈥擠ata Retention: 100 years

鈥擡ndurance: 100,000 cycles per byte

鈥?2-Wire鈩?Interface interoperable with I2C*

鈥?00kHz data transfer rate

鈥?Frequency Output (SW Selectable: Off, 1Hz,

4096Hz or 32.768kHz)

鈥?Low Power CMOS

鈥?.25碌A(chǔ) Operating Current (Typical)

鈥?Small Package Options

鈥?-Lead SOIC and 8-Lead TSSOP

BLOCK DIAGRAM

OSC

Compensation

X1

Frequency

Divider

APPLICATIONS

鈥?/div>

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

Of鏗乧e Automation (Copiers, Fax)

Home Appliances

Computer Products

Other Industrial / Medical / Automotive

DESCRIPTION

The X1226 device is a Real Time Clock with clock/

calendar, two polled alarms with integrated 512x8

EEPROM, oscillator compensation, 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.

32.768kHz

X2

Oscillator

1Hz

Timer

Calendar

Logic

Time

Keeping

Registers

(SRAM)

Battery

Switch

Circuitry

V

CC

V

BACK

PHZ/IRQ

Select

Status

Registers

(SRAM)

Mask

SCL

SDA

Serial

Interface

Decoder

Control

Decode

Logic

Control/

Registers

(EEPROM)

Alarm

Compare

Alarm Regs

(EEPROM)

4K

EEPROM

ARRAY

8

*I2C is a Trademark of Philips.

REV 1.1.24 1/13/03

www.xicor.com

Characteristics subject to change without notice.

1 of 24

標(biāo)準(zhǔn)包裝
100
類別
集成電路 (IC)
家庭
時鐘/計時 - 實時時鐘
系列
-
類型
時鐘/日歷
特點
警報器，閏年
存儲容量
-
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-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝
8-SOIC
包裝
管件

X1226S8I相關(guān)型號PDF文件下載

型號

版本

描述

廠商

下載
X1226

英文版

Real Time Clock/Calendar with EEPROM

X1226
X1226

英文版

Real Time Clock/Calendar with EEPROM

INTERSIL [...

X1226
X1226

英文版

Real Time Clock/Calendar with EEPROM

XICOR [Xic...

X1226
X1227

英文版

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

X1227
X1227

英文版

Real Time Clock/Calendar/CPU Supervisor with EEPROM

X1227
X1227

英文版

Real Time Clock/Calendar/CPU Supervisor with EEPROM

XICOR [Xic...

X1227
X1227

英文版

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

INTERSIL [...

X1227
X1228

英文版

Real Time Clock/Calendar/CPU Supervisor with EEPROM

X1228
X1228

英文版

Real Time Clock/Calendar/CPU Supervisor with EEPROM

X1228
X1228

英文版

Real Time Clock/Calendar/CPU Supervisor with EEPROM

XICOR [Xic...

X1228
X1228

英文版

Real Time Clock/Calendar/CPU Supervisor with EEPROM

INTERSIL [...

X1228
X122K

英文版

CRYSTAL OSCILLATOR 12.288000MHZ

ETC

X122K
X1226S8

英文版

Real Time Clock/Calendar with EEPROM

X1226S8
X1226S8

英文版

Real Time Clock/Calendar with EEPROM

XICOR [Xic...

X1226S8
X1226S8

英文版

Real Time Clock/Calendar with EEPROM

INTERSIL [...

X1226S8
X1226V8

英文版

Real Time Clock/Calendar with EEPROM

X1226V8
X1226V8

英文版

Real Time Clock/Calendar with EEPROM

INTERSIL [...

X1226V8
X1226V8

英文版

Real Time Clock/Calendar with EEPROM

XICOR [Xic...

X1226V8
X1227S8

英文版

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

X1227S8
X1227S8

英文版

Real Time Clock/Calendar/CPU Supervisor with EEPROM

X1227S8

X1226S8I Datasheet

PDF預(yù)覽

X1226S8I 產(chǎn)品屬性

X1226S8I相關(guān)型號PDF文件下載

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