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ISL12059 Datasheet(PDF) 5 Page - Renesas Technology Corp

Part No. ISL12059
Description  Low Cost and Low Power I2C Bus Real Time Clock/Calendar Low Power and Low Cost RTC
Download  11 Pages
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Maker  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
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ISL12059 Datasheet(HTML) 5 Page - Renesas Technology Corp

 
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ISL12059
FN6757 Rev 0.00
Page 5 of 11
Jun 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
100pF
5.0V
FOR VOL= 0.4V
AND IOL = 3mA
EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR VDD = 3.0V


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