ISL12028IBAZ-T Intersil, ISL12028IBAZ-T Datasheet - Page 5

• Manufacturer Part Number: ISL12028IBAZ-T
• Description: IC RTC/CALENDAR EEPROM 14-SOIC
• Manufacturer: Intersil
• Type: Clock/Calendar/Supervisor/EEPROMr

Specifications of ISL12028IBAZ-T

• 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

Serial Interface (I
Electrical Specifications
Watchdog Timer/Low Voltage Reset Parameters
TIMING CHARACTERISTICS
RESET OUTPUT
EEPROM SPECIFICATIONS
Hysteresis SDA and SCL Input Buffer
SYMBOL
SYMBOL
SYMBOL
V
V
t
PURST
RVALID
t
f
RESET
V
t
t
t
WDO
V
V
V
I
SCL
RPD
RST
RSP
t
I
I
LO
IN
LO
OL
LI
IH
OL
IL
SDA, and SCL Input Buffer LOW
Voltage
SDA, and SCL Input Buffer HIGH
Voltage
Hysteresis
SDA Output Buffer LOW Voltage
Input Leakage Current on SCL
I/O Leakage Current on SDA
SCL Frequency
Pulse width Suppression Time at
SDA and SCL Inputs
V
Power-Up Reset Time-Out Delay
Minimum V
Output
ISL12028-4.5A Reset Voltage
Level
ISL12028 Reset Voltage Level
ISL12028-3 Reset Voltage Level
ISL12028-2.7A Reset Voltage
Level
ISL12028-2.7 Reset Voltage Level
Watchdog Timer Period
Watchdog Timer Reset Time-Out
Delay
I
Time
EEPROM Endurance
EEPROM Retention
Output Leakage Current
Output Low Voltage
2
DD
C Interface Minimum Restart
Detect to RESET LOW
2
C) Specifications
PARAMETER
PARAMETER
PARAMETER
DD
for Valid RESET
5
Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
Boldface limits apply over the operating temperature range, -40°C to +85°C.
SBIB = 1 (Under V
SBIB = 1 (Under V
SBIB = 1 (Under V
I
V
V
Any pulse narrower than the max spec
is suppressed.
V
V
V
I
V
I
32.768kHz crystal between X1 and
X2
32.768kHz crystal between X1 and
X2
Temperature ≤ +75°C
OL
OL
OL
IN
IN
DD
OUT
DD
DD
= 4mA
= 5.5V
= 5.5V
= 3mA
= 1mA
= 5.5V
= 5.5V
= 2.7V
ISL12028, ISL12028A
= 5.5V
CONDITIONS
CONDITIONS
CONDITIONS
Boldface limits apply over the operating temperature range, -40°C to +85°C.
DD
DD
DD
mode)
mode)
mode)
>2,000,000
(Note 16)
(Note 16)
0.05 x VDD
0.7 x VDD
(Note 16)
MIN
MIN
4.59
4.33
3.04
2.87
2.58
1.70
100
725
225
225
1.0
1.2
50
MIN
-0.3
0
(Note 5)
TYP
100
TYP
4.64
4.38
3.09
2.92
2.63
1.75
500
250
750
250
250
TYP
0.1
0.1
(Note 16)
(Note 16)
VDD + 0.3
0.3 x VDD
(Note 16)
MAX
1.801
MAX
400
4.69
4.43
3.14
2.97
2.68
0.4
0.4
400
775
275
275
MAX
400
0.4
10
10
50
UNITS
Cycles
UNIT
Years
UNITS
nA
ms
ms
ms
ms
V
V
ns
µs
kHz
V
V
V
V
V
V
µA
µA
s
ns
November 30, 2010
V
V
V
V
NOTES
NOTES
NOTES
FN8233.9
13