ISL12029 Intersil Corporation, ISL12029 Datasheet - Page 5

• Manufacturer Part Number: ISL12029
• Description: Real Time Clock/Calendar
• Manufacturer: Intersil Corporation

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Watchdog Timer/Low Voltage Reset Parameters
Serial Interface (I
DC/AC Characteristics
EEPROM SPECIFICATIONS
TIMING CHARACTERISTICS
Hysteresis SDA and SCL Input Buffer
SYMBOL
SYMBOL
V
V
t
PURST
RVALID
t
t
RESET
t
t
t
f
t
WDO
V
LOW
RPD
RSP
V
RST
V
I
SCL
t
BUF
t
I
LO
AA
IN
OL
LI
IH
IL
V
Power Up Reset Time-Out Delay
Minimum VDD for Valid RESET
Output
ISL12029-4.5A Reset Voltage Level
ISL12029 Reset Voltage Level
ISL12029-3 Reset Voltage Level
ISL12029-2.7A Reset Voltage Level
ISL12029-2.7 Reset Voltage Level
Watchdog Timer Period
Watchdog Timer Reset Time-Out
Delay
I
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
Clock LOW Time
2
DD
C Interface Minimum Restart Time
Detect to RESET LOW
2
C) Specifications
PARAMETER
PARAMETER
5
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
a STOP condition, to SDA
crossing 70% of V
following START condition.
Measured at the 30% of V
crossing.
OL
32.768kHz crystal between X1
and X2
32.768kHz crystal between X1
and X2
Temperature ≤75°C
IN
IN
DD
= 4mA
= 5.5V
= 5.5V
, until SDA exits the 30% to
DD
CONDITIONS
CONDITIONS
window.
ISL12029
DD
DD
DD
DD
during the
mode)
mode)
mode)
DD
DD
during
0.05 x V
>2,000,000
0.7 x V
1300
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
4.64
4.38
3.09
2.92
2.63
1.75
TYP
500
250
750
250
250
0.1
0.1
V
0.3 x V
DD
1.801
MAX
MAX
4.69
3.14
2.97
2.68
4.43
400
775
275
275
400
900
0.4
10
10
50
+ 0.3
DD
UNITS
Cycles
UNITS
Years
kHz
ms
ms
ms
ms
µA
µA
ns
µs
ns
ns
ns
ns
V
V
V
V
V
V
V
V
V
V
s
April 17, 2006
NOTES
NOTES
FN6206.4
7