ISL12028 Intersil Corporation, ISL12028 Datasheet - Page 5

• Manufacturer Part Number: ISL12028
• Manufacturer: Intersil Corporation

Serial Interface (I
Watchdog Timer/Low Voltage Reset Parameters
TIMING CHARACTERISTICS
EEPROM SPECIFICATIONS
Hysteresis SDA and SCL Input Buffer
SYMBOL
SYMBOL
V
V
t
PURST
RVALID
t
RESET
t
t
t
t
f
WDO
V
V
RPD
V
I
SCL
t
BUF
RST
RSP
t
I
LO
AA
OL
IN
LI
IH
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
SCL Falling Edge to SDA Output
Data Valid
Time the bus must be free before
the start of a new transmission
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
2
DD
C Interface Minimum Restart
Detect to RESET LOW
2
C) Specifications
PARAMETER
PARAMETER
DD
for Valid RESET
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
of V
SDA crossing 70% of V
STOP condition, to SDA crossing
70% of V
START condition.
32.768kHz crystal between X1 and
X2
32.768kHz crystal between X1 and
X2
Temperature ≤75°C
OL
IN
IN
DD
= 4mA
= 5.5V
= 5.5V
DD
, until SDA exits the 30% to 70%
window.
DD
CONDITIONS
CONDITIONS
during the following
ISL12028
DD
DD
DD
mode)
mode)
mode)
DD
during a
>2,000,000
0.05 x V
0.7 x V
2.58
MIN
4.59
4.33
3.04
2.87
1.70
1300
100
725
225
225
1.0
1.2
MIN
-0.3
50
0
DD
DD
(Note 5)
TYP
4.64
4.38
3.09
2.92
2.63
1.75
500
250
750
250
250
TYP
0.1
0.1
0.3 x V
V
DD
1.801
MAX
4.69
4.43
3.14
2.97
2.68
MAX
400
775
275
275
400
900
0.4
10
10
50
+ 0.3
DD
UNITS
Cycles
Years
UNITS
ms
ms
ms
ms
kHz
ns
µs
µA
µA
V
V
V
V
V
V
ns
ns
ns
s
V
V
V
V
April 17, 2006
NOTES
NOTES
FN8233.3
7