PT7C4302WE Pericom Semiconductor, PT7C4302WE Datasheet

PT7C4302WE

Manufacturer Part Number

PT7C4302WE

Description

SOIC 8/1 TIMER(S), REAL TIME CLOCK

Manufacturer

Pericom Semiconductor

Datasheet

1.PT7C4302WE.pdf (17 pages)

Specifications of PT7C4302WE

Pack_quantity

100

Comm_code

85423990

Lead_time

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Features

•

Table 1. Basic functions of PT7C4300

PT0322(08/09)

Item

Includes time (Hour/Minute/Second) and calendar

(Century/Year/Month/Date/Day) counter functions

Year 2000 compliant

Automatic switch-over and deselect circuitry

Time keeping voltage: 1.5V to 5.5V

Software clock calibration

56 bytes of general purpose RAM

Ultra-low battery supply current of 1µA

Low operating current of 300µA

Battery or super cap back-up

Operating temperature: -40°C to 85°C

Automatic leap year compensation

Special software programmable output

C-Bus compatible

Oscillator

Time

Programmable square wave output (Hz)

Programmable high/low level output

Communication

RAM

Battery backup

Clock calibration

Source: Crystal: 32.768kHz

Oscillator enable/disable

Oscillator fail detect

Time display

Century bit

Time count chain enable/disable

2-wire I

Function

C bus

12-hour

24-hour

Description

The PT7C4311 serial real-time clock is a low-power

clock/calendar with a programmable square-wave output.

Address and data are transferred serially via a 2-wire

bidirectional bus. The clock/calendar provides seconds,

minutes, hours, day, date, month, and year information.

The date at the end of the month is automatically

adjusted for months with fewer than 31 days, including

corrections for leap year. The clock operates in the 24-

hour format indicator.

Table 1 shows the basic functions of PT7C4311. More

details are shown in section: overview of functions.

Ordering Information

PT7C4311WE

Part Number

Real-time Clock Module (I

Lead free and Green 8-Pin SOIC

PT7C4311

512Hz

56×8

√

Package

Data Sheet

PT7C4311

C Bus)

Ver: 2

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