ISL12028IB27Z Intersil, ISL12028IB27Z Datasheet - Page 8
ISL12028IB27Z
Manufacturer Part Number
ISL12028IB27Z
Description
IC RTC W/EEPROM 2.7V 14SOIC
Manufacturer
Intersil
Type
Clock/Calendar/Supervisor/EEPROMr
Datasheet
1.ISL12028IV27Z-T.pdf
(29 pages)
Specifications of ISL12028IB27Z
Memory Size
4K (512 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
14-SOIC (3.9mm Width), 14-SOL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Typical Performance Curves
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-45 -35 -25 -15 -5
1.8
1.8
FIGURE 7. I
2.3
FIGURE 5. I
2.3
FIGURE 9. I
2.8
2.8
TEMPERATURE (°C)
DD3
V
BAT
DD
5
3.3
3.3
SCL, SDA PULL-UPS = V
BSW = 0 OR 1
vs TEMPERATURE
= 5.5V
vs V
8
V
15
V
DD3
BAT
SCL, SDA PULL-UPS = 0V
DD
BSW = 0 OR 1
BAT,
3.8
25
3.8
(V)
vs V
(V)
V
DD
SBIB = 0
35
DD
= 3.3V
4.3
4.3
45
Temperature is +25°C unless otherwise specified.
55
4.8
4.8
BAT
ISL12028, ISL12028A
65
75
5.3
5.3
85
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-20
-40
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
80
60
40
20
-45 -35 -25 -15
0
-32 -28 -24 -20 -16 -12 -8 -4
1.8
FIGURE 10. ΔF
FIGURE 8. I
2.3
FIGURE 6. I
2.8
-5
SCL, SDA PULL-UPS = 0V
TEMPERATURE (°C)
BAT
BAT
5
OUT
3.3
ATR SETTING
BSW = 0 OR 1
vs TEMPERATURE
vs V
15
V
BAT
vs ATR SETTING
0
25
BAT,
3.8
(V)
4
V
35
SBIB = 1
BAT
8 12 16 20 24 28
4.3
45
= 3.0V
55
November 30, 2010
4.8
65
75
FN8233.9
5.3
85