ISL12020MIRZ Intersil, ISL12020MIRZ Datasheet - Page 8

• Manufacturer Part Number: ISL12020MIRZ
• Description: IC RTC/CALENDAR TEMP SNSR 20-DFN
• Manufacturer: Intersil
• Type: Clock/Calendarr

Specifications of ISL12020MIRZ

• Memory Size: 1K (128 x 8)
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SDA vs SCL Timing
Typical Performance Curves
FIGURE 1. STANDARD OUTPUT LOAD FOR TESTING
(OUTPUT TIMING)
EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR V
(INPUT TIMING)
1050
1000
950
900
850
800
1.8
IRQ/F
SCL
THE DEVICE WITH V
AND
SDA
t
OUT
2.3
SU:STA
SDA
FIGURE 2. I
SDA
2.8
V
BAT
5.0V
3.3
t
8
BAT
HD:STA
VOLTAGE (V)
100pF
1533Ω
vs V
3.8
t
DD
F
t
BAT
= 5.0V
SU:DAT
FOR V
AND I
4.3
OL
OL
4.8
DD
= 0.4V
= 3mA
t
HIGH
= 5V
ISL12020M
5.3
Temperature is +25°C unless otherwise specified.
t
LOW
t
Symbol Table
HD:DAT
WAVEFORM
1600
1400
1200
1000
800
600
-40
t
R
FIGURE 3. I
t
AA
-20
t
INPUTS
Must be steady
May change
from LO W
to HIGH
May change
from HIGH
to LOW
Don’t Care:
Changes Allowed
N/A
DH
TEMPERATURE (°C)
BAT
0
V
BAT
vs TEMPERATURE
V
BAT
20
= 5.5V
t
BUF
= 3.0V
t
OUTPUTS
Will be steady
Will change
from LOW
to HIGH
Will change
from HIGH
to LOW
Changing:
State Not Known
Center Line is
High Impedance
V
40
SU:STO
BAT
February 11, 2010
= 1.8V
60
FN6667.4
80