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參數(shù)資料
型號(hào): X1228S14I-2.7A
廠商: INTERSIL CORP
元件分類: XO, clock
英文描述: SM12 12V TRANSIENT VOLT SUPPRESSOR SOT23
中文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO14
封裝: PLASTIC, SOIC-14
文件頁(yè)數(shù): 1/31頁(yè)
文件大小: 569K
代理商: X1228S14I-2.7A
REV 1.3 3/24/04
Characteristics subject to change without notice.
1 of 31
www.xicor.com
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
—1.25μA Operating Current (Typical)
Small Package Options
—14-Lead SOIC and 14-Lead TSSOP
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
X1228
BLOCK DIAGRAM
X1
X2
Oscillator
Frequency
Divider
Timer
Calendar
Logic
8
Control/
Registers
(EEPROM)
1Hz
Time
Keeping
Registers
(SRAM)
Alarm Regs
(EEPROM)
Compare
M
RESET
Control
Decode
Logic
Alarm
SCL
SDA
Serial
Interface
Decoder
4K
EEPROM
ARRAY
Watchdog
Timer
Low Voltage
Reset
Registers
Status
(SRAM)
Select
PHZ/IRQ
V
CC
V
BACK
32.768kHz
Battery
Switch
Circuitry
OSC Compensation
*I2C is a Trademark of Philips.
New Features
Repetitive Alarms &
Temperature Compensation
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參數(shù)描述
X1228S14I-4.5A 功能描述:IC RTC/CAL/CPU SUP EE 14-SOIC RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 實(shí)時(shí)時(shí)鐘 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:時(shí)鐘/日歷 特點(diǎn):警報(bào)器,閏年,SRAM 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:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源,電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件
X1228S14IZ 功能描述:IC RTC/CAL/SUP/ALRM 4K EE 14SOIC RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 實(shí)時(shí)時(shí)鐘 系列:- 標(biāo)準(zhǔn)包裝:2,500 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:帶卷 (TR)
X1228S14IZ-2.7 功能描述:IC RTC/CAL/SUP/ALARM 4K-EE14SOIC RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 實(shí)時(shí)時(shí)鐘 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:時(shí)鐘/日歷 特點(diǎn):警報(bào)器,閏年,SRAM 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:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源,電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件
X1228S14IZ-2.7A 功能描述:IC RTC/CAL/CPU SUP EE 14-SOIC RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 實(shí)時(shí)時(shí)鐘 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:時(shí)鐘/日歷 特點(diǎn):警報(bào)器,閏年,SRAM 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:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源,電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件
X1228S14IZ-4.5A 功能描述:IC RTC/CAL/CPU SUP EE 14-SOIC RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 實(shí)時(shí)時(shí)鐘 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:時(shí)鐘/日歷 特點(diǎn):警報(bào)器,閏年,SRAM 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:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源,電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件
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