ISL12059IBZ datasheet(5/11 Pages) INTERSIL

Part #	ISL12059IBZ

Description	Low Cost and Low Power I2C Bus??Real Time Clock/Calendar

Download	11 Pages

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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5 / 11 page

5

FN6757.0

June 15, 2009

SDA vs SCL Timing

Symbol Table

tSU:STO

tDH

tHIGH

tSU:STA

tHD:STA

tHD:DAT

tSU:DAT

SCL

SDA

(INPUT TIMING)

SDA

(OUTPUT TIMING)

tF

tLOW

tBUF

tAA

tR

WAVEFORM

INPUTS

OUTPUTS

Must be steady

Will be steady

May change

from LOW

to HIGH

Will change

from LOW

to HIGH

May change

from HIGH

to LOW

Will change

from HIGH

to LOW

Don’t Care:

Changes Allowed

Changing:

State Not Known

N/A

Center Line is

High Impedance

FIGURE 1. STANDARD OUTPUT LOAD FOR TESTING THE

DEVICE WITH VDD = 3.0V, VPULLUP = 5.0V

SDA,

FT/OUT

1533

Ω

100pF

5.0V

FOR VOL= 0.4V

AND IOL = 3mA

EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR VDD = 3.0V

ISL12059

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ISL12059IBZ Datasheet(PDF) 5 Page - Intersil Corporation

ISL12059IBZ Datasheet(HTML) 5 Page - Intersil Corporation

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