Datasheet > RS5C372A-E2-F

RS5C372A-E2-F

更新时间： 2024-01-23 17:18:12

品牌	Logo	应用领域
理光 - RICOH		时钟光电二极管外围集成电路
页数	文件大小	规格书
54页	527K
描述
Real Time Clock, 0 Timer(s), CMOS, PDSO8, SSOP-8

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技术参数
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RS5C372A-E2-F 技术参数

是否Rohs认证：	符合	生命周期：	Active
零件包装代码：	SOIC	包装说明：	SOP,
针数：	8	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.66	Is Samacsys：	N
其他特性：	SECOND DIGIT ADJUSTMENT BY 30 SECONDS	最大时钟频率：	0.4 MHz
信息访问方法：	I2C	JESD-30 代码：	R-PDSO-G8
湿度敏感等级：	1	端子数量：	8
计时器数量：		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：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	最大供电电压：	6 V
最小供电电压：	2 V	标称供电电压：	3 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子位置：	DUAL	uPs/uCs/外围集成电路类型：	TIMER, REAL TIME CLOCK
Base Number Matches：	1

RS5C372A-E2-F 数据手册

RS5C372A/B

I²C bus SERIAL INTERFACE REAL-TIME CLOCK IC

NO.EA-044-100928

OUTLINE

The RS5C372A is a CMOS type real-time clock which is connected to the CPU via 2-wires and capable of

serial transmission of clock and calendar data to the CPU.

The RS5C372A can generate various periodic interrupt clock pulses lasting for long period (one month), and

alarm interrupt can be made by days of the week, hours, and minutes by two incorporated systems. Since an

oscillation circuit is driven at a constant voltage, it undergoes fluctuations of few voltage and consequently offers

low current consumption (Typ. 0.5μA at 3V). It also provides an oscillator halt sensing function applicable for data

validation at power-on and other occasions and 32-kHz clock output for an external micro computer. (Nch. open

drain output) The product also incorporates a time trimming circuit that adjusts the clock with higher precision

by adjusting any errors in crystal oscillator frequencies based on signals from the CPU. The crystal oscillator

may be selected from 32.768kHz or 32.000kHz types. Integrated into an ultra compact and ultra thin 8 pin SSOP

package, the RS5C372A is the optimum choice for equipment requiring small sized and low power consuming

products.

FEATURES

•

Time keeping voltage: 1.3V to 6.0V

Lowest supply current: 0.5μA Typ. (0.9μA Max.) : 3V (25°C)

(1.0μA Max.) : 3V (−40 to +85°C)

•

Connected to the CPU via only 2−wires (I²C bus Interface, Max.400kHz, address 7bit)

A clock counter (counting hours, minutes, and seconds) and a calendar counter (counting leap years, years,

months, and days of the week) in BCD codes

•

Interrupt to the CPU (period of one month to one second, interrupt flag, interrupt halt

INTRA INTRB

)

function)(

INTRA INTRB

)

•

Two systems of alarm functions (days of the week, hours, and minutes) (

Oscillation halt sensing to judge internal data validity

Clock output of 32.768kHz (32.000kHz) (output controllable via a register) ⋅⋅⋅ (Nch. open drain output)

Second digit adjustment by ±30 seconds

Automatic leap year recognition up to the year 2099

12-hour or 24-hour time display selectable

Oscillation stabilizing capacity (C^G, CD) incorporated

High precision time trimming circuit

Oscillator of 32.768kHz or 32.000kHz may be used

CMOS logic

Package: 8pin SSOP

12 3 4 5 6 7...54

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与RS5C372A-E2-F相关器件

型号	品牌	描述	获取价格	数据表
RS5C372A-F	RICOH	Real Time Clock, 0 Timer(s), CMOS, PDSO8, SSOP-8	获取价格
RS5C372B	RICOH	I2C-bus Serial Interface Real Time Clock (8pin SSOP)	获取价格
RS5C372B-E1	RICOH	I2C-bus Serial Interface Real Time Clock (8pin SSOP)	获取价格
RS5C372B-E2	RICOH	I2C-bus Serial Interface Real Time Clock (8pin SSOP)	获取价格
RS5C373A	ETC	Real-Time Clock	获取价格
RS5C4F-C	DIALIGHT	StreetSense? RS Series LED Roadway Sign Light	获取价格

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