AB18X5-RTC datasheet(25/37 Pages) ABRACON

tên linh kiện	AB18X5-RTC

Giải thích chi tiết về linh kiện	Baseline timekeeping features

PDF	37 Pages

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nhà sản xuất	ABRACON [Abracon Corporation]

Trang chủ	https://abracon.com

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25 / 37 page

AB18X5 Real-Time Clock with Power

Management Family

Date of Issue: October 16, 2014

3.0 x 3.0 mm

Page 25 of 37

Abracon Drawing #453568

Revision: C

5.8 I

²C AC Electrical Characteristics

Figure 17 and Table 11 describe the I2C AC electrical parameters.

Figure 17. I

²C AC Parameter Definitions

 For Table 11, T

A = -40 °C to 85 °C, TYP values at 25 °C.

Table 11: I

²C AC Electrical Parameters

SYMBOL

PARAMETER

VCC

MIN

TYP

MAX

UNIT

fSCL

SCL input clock frequency

1.7V-3.6V

400

kHz

tLOW

Low period of SCL clock

1.7V-3.6V

1.3

µs

tHIGH

High period of SCL clock

1.7V-3.6V

600

tRISE

Rise time of SDA and SCL

1.7V-3.6V

300

tFALL

Fall time of SDA and SCL

1.7V-3.6V

300

tHD:STA

START condition hold time

1.7V-3.6V

600

tSU:STA

START condition setup time

1.7V-3.6V

600

tSU:DAT

SDA setup time

1.7V-3.6V

100

tHD:DAT

SDA hold time

1.7V-3.6V

tSU:STO

STOP condition setup time

1.7V-3.6V

600

tBUF

Bus free time before a new transmission

1.7V-3.6V

1.3

µs

tBUF

SCL

SDA

tHD:STA

tLOW

tRISE

SDA

tSU:STA

tHD:DAT

tHIGH

tSU:DAT

tSU:STO

tFALL

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