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RTC

Data Sheet

October 17, 2005

FN8100.2

Real Time Clock/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?Frequency Output (SW Selectable: Off, 1Hz,

4096Hz, or 32.768kHz)

鈥?Low Power CMOS

鈥?1.25碌A(chǔ) Operating Current (Typical)

鈥?Small Package Options

鈥?14 Ld SOIC and 14 Ld TSSOP

鈥?Repetitive Alarms

鈥?Temperature Compensation

鈥?Pb-Free Plus Anneal Available (RoHS Compliant)

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

Office Automation (Copiers, Fax)

Home Appliances

Computer Products

Other Industrial/Medical/Automotive

BLOCK DIAGRAM

OSC Compensation

X1

32.768kHz

X2

Oscillator

Frequency

Divider

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

RESET

Watchdog

Timer

Low Voltage

Reset

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.

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

標(biāo)準(zhǔn)包裝
95
類別
集成電路 (IC)
家庭
時(shí)鐘/計(jì)時(shí) - 實(shí)時(shí)時(shí)鐘
系列
-
類型
時(shí)鐘/日歷
特點(diǎn)
警報(bào)器，閏年，監(jiān)控器，監(jiān)視計(jì)時(shí)器
存儲(chǔ)容量
-
時(shí)間格式
HH:MM:SS（12/24 小時(shí)）
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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