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PCF8523T-1中文资料PDF规格书
PCF8523T-1规格书详情
General description
The PCF8523 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption. Data is transferred serially via an I2C-bus with a maximum data rate of 1000 kbit/s. Alarm and timer functions are available with the possibility to generate a wake-up signal on an interrupt pin. An offset register allows fine-tuning of the clock. The PCF8523 has a backup battery switch-over circuit, which detects power failures and automatically switches to the battery supply when a power failure occurs.
Features and benefits
■ Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
■ Resolution: seconds to years
■ Clock operating voltage: 1.0 V to 5.5 V
■ Low backup current: typical 150 nA at VDD = 3.0 V and Tamb = 25°C
■ 2 line bidirectional 1 MHz Fast-mode Plus (Fm+) I2C interface, read D1h, write D0h2
■ Battery backup input pin and switch-over circuit
■ Freely programmable timer and alarm with interrupt capability
■ Selectable integrated oscillator load capacitors for CL = 7 pF or CL = 12.5 pF
■ Internal Power-On Reset (POR)
■ Open-drain interrupt or clock output pins
■ Programmable offset register for frequency adjustment
Applications
■ Time keeping application
■ Battery powered devices
■ Metering
产品属性
- 型号:
PCF8523T-1
- 制造商:
PHILIPS
- 制造商全称:
NXP Semiconductors
- 功能描述:
Real-Time Clock(RTC) and calendar
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
NXP(恩智浦) |
23+ |
NA/ |
7350 |
现货供应,当天可交货!免费送样,原厂技术支持!!! |
询价 | ||
NXP/恩智浦 |
23+ |
NA/ |
94 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
NXP |
2020+ |
QFN |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
NXP/恩智浦 |
23+ |
SMD |
5000 |
只做原装 深圳公司现货 十年信誉 |
询价 | ||
NXP/恩智浦 |
23+ |
QFN |
3000 |
十七年VIP会员,诚信经营,一手货源,原装正品可零售! |
询价 | ||
nxp/NXP Semiconductors/恩智浦/ |
21+ |
QFN |
5700 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
NXP |
20+ |
SMD |
11520 |
特价全新原装公司现货 |
询价 | ||
NXP(恩智浦) |
23+ |
NA |
6000 |
原厂原装现货订货价格优势终端BOM表可配单提供样品 |
询价 | ||
NXP/恩智浦 |
1948+ |
QFN |
6852 |
只做原装正品现货!或订货假一赔十! |
询价 | ||
NXP |
24+ |
SMT |
6000 |
原装正品现货,一手资源,全新出品 |
询价 |