Datasheet > PCA8802CX8/B/1

PCA8802CX8/B/1

更新时间： 2024-02-18 17:47:08

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
42页	562K
描述
SPECIALTY ANALOG CIRCUIT, PBGA8, 1.19 X 1.14 MM, 0.29 MM HEIGHT, LEAD FREE, WLCSP-8

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PCA8802CX8/B/1 技术参数

生命周期：	Obsolete	零件包装代码：	BGA
包装说明：	VFBGA,	针数：	8
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.82	其他特性：	SEATED HGT-NOM
模拟集成电路 - 其他类型：	ANALOG CIRCUIT	JESD-30 代码：	R-PBGA-B8
长度：	1.19 mm	功能数量：	1
端子数量：	8	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	VFBGA	封装形状：	RECTANGULAR
封装形式：	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	认证状态：	Not Qualified
座面最大高度：	0.29 mm	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	1.6 V	标称供电电压 (Vsup)：	3 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子形式：	BALL
端子节距：	0.45 mm	端子位置：	BOTTOM
宽度：	1.14 mm	Base Number Matches：	1

PCA8802

Smartcard RTC; ultra low power oscillator with integrated

counter for initiating one time password generation

Rev. 5 — 5 March 2013

Product data sheet

1. General description

The PCA8802 is a CMOS integrated circuit for battery operation, typically supplied by

button cells or flexible polymer batteries. Incorporated is a 32.768 kHz quartz crystal

oscillator circuit including the two load capacitors. The circuit is optimized for a quartz with

6 pF load capacitance specification. Higher values can also be used with the addition of

external load capacitors.

The main function of the oscillator is to generate a ¹⁄₃₂Hz clock signal which is used to

increment a 24 bit binary counter. The counter can be read over the serial interface and

can also be set to any desired value. Control over the divider chain also allows for

accurate starting of the counter. Incrementing of the counter value during read is

prevented by freezing of the counter during access.

An interrupt signal is also available and is triggered coincident with the counter updating.

This signal can be used as a wake-up for a microcontroller.

2. Features and benefits

 32.768 kHz quartz oscillator, amplitude regulated with excellent frequency stability and

high immunity to leakage currents

 Two integrated quartz crystal oscillator capacitors

 Very low current consumption: typically 130 nA

 Two-wire serial interface (I²C-bus)

 Integrated 24-bit counter with auto increment every 32 seconds

 Interrupt output for processor wake-up

 Stop function for accurate time setting and current saving during shelf life

 User test modes for accelerated application testing and development

3. Applications

 One time password function generators

 Ultra low-power time keeper circuit

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