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ISL12058IRTZ View Datasheet(PDF) - Intersil

Part NameDescriptionManufacturer
ISL12058IRTZ Low Cost and Low Power I2C-Bus™ Real Time Clock/Calendar Intersil
Intersil Intersil
ISL12058IRTZ Datasheet PDF : 19 Pages
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ISL12058
SDA vs SCL Timing
tF
tHIGH
tLOW
tR
SCL
tSU:STA
SDA
(INPUT TIMING)
SDA
(OUTPUT TIMING)
tSU:DAT
tHD:STA
tHD:DAT
tAA
tDH
tSU:STO
tBUF
Symbol Table
WAVEFORM
INPUTS
Must be steady
OUTPUTS
Will be steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Don’t Care:
Changes Allowed
Will change
from LOW
to HIGH
Will change
from HIGH
to LOW
Changing:
State Not Known
N/A
Center Line is
High Impedance
EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR VDD = 3.0V
5.0V
SDA,
IRQ/FOUT
1533Ω
FOR VOL= 0.4V
AND IOL = 3mA
100pF
FIGURE 1. STANDARD OUTPUT LOAD FOR TESTING THE
DEVICE WITH VDD = 3.0V, VPULLUP = 5.0V
6
FN6756.0
June 15, 2009
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