Datasheet > D167233

D167233

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
美信 - MAXIM		计数器
页数	文件大小	规格书
15页	515K
描述
I2C 32-Bit Binary Counter RTC

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D167233 数据手册

DS1672

I²C 32-Bit Binary Counter RTC

www.maxim-ic.com

GENERAL DESCRIPTION

FEATURES

The DS1672 incorporates a 32-bit counter and ꢀ 32-Bit Counter

ꢀ I²C^*Serial Interface

power-monitoring functions. The 32-bit counter

is designed to count seconds and can be used to

derive time-of-day, week, month, month, and

year by using a software algorithm. A precision,

ꢀ Automatic Power-Fail Detect and Switch

Circuitry

ꢀ Power-Fail Reset Output

temperature-compensated

reference

and

comparator circuit monitors the status of V_CC.

When an out-of-tolerance condition occurs, an

internal power-fail signal is generated that forces

the reset to the active state. When V_CCreturns to

an in-tolerance condition, the reset signal is kept

in the active state for a period of time to allow

the power supply and processor to stabilize.

ꢀ Low-Voltage Oscillator Operation

(1.3V min)

ꢀ Trickle-Charge Capability

ꢀ Underwriters Laboratory (UL) Recognized

ꢀ -40°C to +85°C Operating Temperature

Range

TYPICAL OPERATING CIRCUIT

PIN CONFIGURATION

TOP VIEW

V_CC

DS1672₇

RST

SCL

SDA

V_BACKUP

GND

DIP

µSOP

*Purchase of I²C components from Maxim Integrated Products,

Inc., or one of its sublicensed Associated Companies, conveys a

license under the Philips I²C Patent Rights to use these

components in an I²C system, provided that the system conforms

to the I²C Standard Specification defined by Philips.

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REV: 031406

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