- 您現在的位置：買賣IC網 > PDF目錄367816 > PCF2128T1 (NXP Semiconductors N.V.) Integrated RTC / TCXO / Crystal PDF資料下載
參數資料
| 型號： | PCF2128T1 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Integrated RTC / TCXO / Crystal |
| 中文描述： | 集成RTC /溫補/水晶 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 199K |
| 代理商： | PCF2128T1 |
1.
General description
The PCF2128 is a ready to run CMOS real time clock/calendar with an integrated
temperature compensated crystal oscillator (TCXO). In timekeeping applications the high
accuracy of the PCF2128 allows it to be used as a replacement for costly and higher
powered long wave receivers or GPS receivers. A programmable battery switch-over
circuit enables an uninterruptible power supply and consequently continuous timekeeping.
The PCF2128 additionally features 512 bytes of general purpose RAM, a programmable
watchdog, a time stamp facility and a voltage monitoring facility. Programming is possible
using either an SPI or an I
2
C-bus interface.
2.
Features
PCF2128
Integrated RTC / TCXO / Crystal
Rev. 00.03 — 4 June 2007
Preliminary [short] data sheet
Integration of a 32.768 kHz quartz
crystal in the same package as the RTC
temperature compensated crystal
oscillator (TCXO) with integrated
capacitors.
accuracy:
typically 3 ppm from
20
°
C to
+
70
°
C,
typically 5 ppm from
40
°
C to
+
85
°
C
provides year, month, day, weekday,
hours, minutes and seconds
programmable alarm function with
interrupt capability
programmable countdown timer with
interrupt capability
programmable watchdog timer with
interrupt and reset capability
512 bytes of general purpose static
RAM
1 second or 1 minute interrupt output
oscillator stop detection
two line bi-directional 1 MHz fast mode
plus I
2
C interface
timestamp input
power-on reset
3 line SPI interface with separate data
input and output (maximum speed
6.5 Mbits/s)
programmable square wave output pin
timestamp function with interrupt
capability
battery backup input pin and switch-over
circuitry
extra power fail detection with input and
output pins
battery low detection
I
2
C-bus slave address: read A3H and
write A2H
clock operating voltage: <tbd> to 5.5 V
low backup current; typical 0.95
μ
A at
V
DD
= 3.0 V and T
amb
= 25
°
C
selectable I
2
C and SPI interface
battery backed output voltage pin
相關PDF資料 |
PDF描述 |
|---|---|
| PCF35N08 | Multi-Color LED; LED Color:Yellow/Green; Luminous Intensity:16mcd; Viewing Angle:120 ; Forward Current:30mA; Forward Voltage:2.1V; Operating Temperature Range:-55 C to ? C; Color:Yellow/Green; Input Current:20mA RoHS Compliant: No |
| PCF5001 | POCSAG Paging Decoder |
| PCF5001H | POCSAG Paging Decoder |
| PCF5001T | POCSAG Paging Decoder |
| PCF50603 | Controller for power supply and battery management |
相關代理商/技術參數 |
參數描述 |
|---|---|
| PCF2129(A) | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Smart, simple solutions for the 12 most common design concerns |
| PCF2129A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated RTC, TCXO and quartz crystal |
| PCF2129A_10 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated RTC, TCXO and quartz crystal |
| PCF2129AT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated RTC, TCXO and quartz crystal |
| PCF2129AT/1,512 | 功能描述:實時時鐘 Accu 實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
發布緊急采購，3分鐘左右您將得到回復。