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ISL12020MIRZ-T View Datasheet(PDF) - Intersil

Part NameDescriptionManufacturer
ISL12020MIRZ-T Low Power RTC with Battery Backed SRAM,Integrated ±5ppm Temperature Compensation and Auto Daylight Saving Intersil
Intersil Intersil
ISL12020MIRZ-T Datasheet PDF : 32 Pages
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ISL12020M
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
EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR VDD = 5V
5.0V
SDA
AND
IRQ/FOUT
1533Ω
FOR VOL= 0.4V
AND IOL = 3mA
100pF
FIGURE 1. STANDARD OUTPUT LOAD FOR TESTING
THE DEVICE WITH VDD = 5.0V
Symbol Table
WAVEFORM INPUTS
Must be steady
OUTPUTS
Will be steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Will change
from LOW
to HIGH
Will change
from HIGH
to LOW
Don’t Care:
Changing:
Changes Allowed State Not Known
N/A
Center Line is
High Impedance
Typical Performance Curves Temperature is +25°C unless otherwise specified.
1050
1600
1000
1400
950
1200
VBAT = 5.5V
900
850
800
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
VBAT VOLTAGE (V)
FIGURE 2. IBAT vs VBAT
1000
VBAT = 3.0V
800
VBAT = 1.8V
600
-40
-20
0
20
40
60
80
TEMPERATURE (°C)
FIGURE 3. IBAT vs TEMPERATURE
8
FN6667.4
February 11, 2010
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