ISL12025 Intersil Corporation, ISL12025 Datasheet - Page 4

• Manufacturer Part Number: ISL12025
• Description: Real-Time Clock/Calendar
• Manufacturer: Intersil Corporation

Watchdog Timer/Low Voltage Reset Parameters
Serial Interface (I
EEPROM SPECIFICATIONS
TIMING CHARACTERISTICS
SYMBOL
Hysteresis SDA and SCL Input Buffer
SYMBOL
V
V
t
PURST
RVALID
t
RESET
t
t
t
WDO
f
t
RPD
RSP
V
RST
V
I
SCL
t
BUF
V
t
I
LO
AA
OL
IN
LI
IH
IL
V
Power-up Reset Time-Out Delay
Minimum V
Output
ISL12025-4.5A Reset Voltage
Level
ISL12025 Reset Voltage Level
ISL12025-3 Reset Voltage Level
ISL12025-2.7A Reset Voltage
Level
ISL12025-2.7 Reset Voltage Level
Watchdog Timer Period
Watchdog Timer Reset Time-Out
Delay
I
Time
EEPROM Endurance
EEPROM Retention
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
SCL Falling Edge to SDA Output
Data Valid
Time the Bus Must Be Free before
the Start of a New Transmission
2
DD
C Interface Minimum Restart
Detect to RESET LOW
PARAMETER
2
PARAMETER
DD
C) Specifications
for Valid RESET
4
32.768kHz crystal between X1 and
X2
32.768kHz crystal between X1 and
X2
Temperature ≤75°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.
SCL falling edge crossing 30% of
V
70% of V
SDA crossing 70% of V
STOP condition, to SDA crossing
70% of V
START condition.
OL
IN
IN
DD
= 4mA
= 5.5V
= 5.5V
, until SDA exits the 30% to
DD
DD
CONDITIONS
CONDITIONS
window.
during the following
ISL12025
DD
DD
DD
mode)
mode)
mode)
DD
during a
0.05 x V
0.7 x V
2,000,000
1300
MIN
-0.3
4.59
4.33
3.04
2.87
2.58
1.70
MIN
100
725
225
225
1.0
1.2
50
0
DD
DD
(Note 5)
TYP
TYP
4.64
4.38
3.09
2.92
2.63
1.75
0.1
0.1
500
250
750
250
250
0.3 x V
V
DD
MAX
1.801
MAX
400
900
4.69
4.43
3.14
2.97
2.68
0.4
400
775
275
275
10
10
50
+ 0.3
DD
UNITS
UNITS
Cycles
Years
kHz
μA
μA
ns
ns
ns
ms
ms
ms
ms
ns
μs
V
V
V
V
V
V
V
V
V
V
s
October 18, 2006
NOTES
NOTES
FN6371.1
9