參數(shù)資料
型號: ISL12028AIB27Z-T
廠商: INTERSIL CORP
元件分類: 時鐘/數(shù)據(jù)恢復及定時提取
英文描述: REAL TIME CLOCK, PDSO14
封裝: ROHS COMPLIANT, PLASTIC, MS-012AB, SOIC-14
文件頁數(shù): 25/29頁
文件大?。?/td> 579K
代理商: ISL12028AIB27Z-T
5
FN8233.8
August 9, 2010
RESET OUTPUT
ILO
Output Leakage Current
VDD = 5.5V
VOUT = 5.5V
100
400
nA
VOL
Output Low Voltage
VDD = 5.5V
IOL = 3mA
0.4
V
VDD = 2.7V
IOL = 1mA
0.4
V
Electrical Specifications
Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
(Note 16)
TYP
MAX
(Note 16)
UNIT
NOTES
Watchdog Timer/Low Voltage Reset Parameters Boldface limits apply over the operating temperature range, -40°C to +85°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
(Note 16)
TYP
(Note 5)
MAX
(Note 16)
UNITS
NOTES
tRPD
VDD Detect to RESET LOW
500
ns
tPURST
Power-Up Reset Time-Out Delay
100
250
400
ms
VRVALID
Minimum VDD for Valid RESET
Output
1.0
V
VRESET
ISL12028-4.5A Reset Voltage
Level
4.59
4.64
4.69
V
ISL12028 Reset Voltage Level
4.33
4.38
4.43
V
ISL12028-3 Reset Voltage Level
3.04
3.09
3.14
V
ISL12028-2.7A Reset Voltage
Level
2.87
2.92
2.97
V
ISL12028-2.7 Reset Voltage Level
2.58
2.63
2.68
V
tWDO
Watchdog Timer Period
32.768kHz crystal between X1 and
X2
1.70
1.75
1.801
s
725
750
775
ms
225
250
275
ms
tRST
Watchdog Timer Reset Time-Out
Delay
32.768kHz crystal between X1 and
X2
225
250
275
ms
tRSP
I2C Interface Minimum Restart
Time
1.2
s
EEPROM SPECIFICATIONS
EEPROM Endurance
>2,000,000
Cycles
EEPROM Retention
Temperature
≤ +75°C
50
Years
Serial Interface (I2C) Specifications Boldface limits apply over the operating temperature range, -40°C to +85°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
(Note 16)
TYP
MAX
(Note 16)
UNITS
NOTES
VIL
SDA, and SCL Input Buffer LOW
Voltage
SBIB = 1 (Under VDD mode)
-0.3
0.3 x VDD
V
VIH
SDA, and SCL Input Buffer HIGH
Voltage
SBIB = 1 (Under VDD mode)
0.7 x VDD
VDD + 0.3
V
Hysteresis SDA and SCL Input Buffer
Hysteresis
SBIB = 1 (Under VDD mode)
0.05 x VDD
V
VOL
SDA Output Buffer LOW Voltage
IOL = 4mA
0
0.4
V
ILI
Input Leakage Current on SCL
VIN = 5.5V
0.1
10
A
ILO
I/O Leakage Current on SDA
VIN = 5.5V
0.1
10
A
TIMING CHARACTERISTICS
fSCL
SCL Frequency
400
kHz
tIN
Pulse width Suppression Time at
SDA and SCL Inputs
Any pulse narrower than the max spec
is suppressed.
50
ns
ISL12028, ISL12028A
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