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參數(shù)資料
| 型號： | ISL1209 |
| 廠商： | Intersil Corporation |
| 英文描述： | Low Power RTC with Battery Backed SRAM and Event Detection |
| 中文描述： | 低功耗RTC與電池供電SRAM和事件檢測 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 416K |
| 代理商： | ISL1209 |
3
FN6109.1
September 27, 2005
Absolute Maximum Ratings
Voltage on V
DD
, V
BAT
, SCL, SDA, and IRQ pins
(respect to ground). . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7.0V
Voltage on X1 and X2 pins
(respect to ground). . . . . . . . . . . .-0.5V to V
DD
+ 0.5 (V
DD
Mode)
-0.5V to V
BAT
+ 0.5 (V
BAT
Mode)
Storage Temperature. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Lead Temperature (Soldering, 10s). . . . . . . . . . . . . . . . . . . . .300°C
ESD Rating (Human Body Model). . . . . . . . . . . . . . . . . . . . . .>±2kV
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
DC Operating Characteristics – RTC
Test Conditions:V
DD
= +2.7 to +5.5V, Temperature = -40°C to +85°C, unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
(Note 4)
MAX
UNITS
NOTES
V
DD
Main Power Supply
2.7
5.5
V
V
BAT
Battery Supply Voltage
1.8
5.5
V
I
DD1
Supply Current
V
DD
= 5V
2
6
μA
1, 2
V
DD
= 3V
1.2
4
μA
I
DD2
Supply Current With I
2
C Active
V
DD
= 5V
40
120
μA
1, 2
I
DD3
Supply Current (Low Power Mode)
V
DD
= 5V, LPMODE = 1
1.4
5
μA
1
I
BAT
Battery Supply Current
V
BAT
= 3V
400
950
nA
1
I
LI
Input Leakage Current on SCL
100
nA
I
LO
I/O Leakage Current on SDA
100
nA
V
TRIP
V
BAT
Mode Threshold
1.6
2.2
2.6
V
V
TRIPHYS
V
TRIP
Hysteresis
10
30
50
mV
V
BATHYS
V
BAT
Hysteresis
15
50
100
mV
EVIN
V
IL
-0.3
0.3 x
V
DD
V
V
IH
0.7 x
V
DD
V
DD
+
0.3
V
Hysteresis
0.05 x
V
DD
V
I
EVPU
EVIN Pullup Current
V
SUP
= 3V
1.5
μA
5
IRQ/F
OUT
and EVDET
V
OL
Output Low Voltage
V
DD
= 5V, I
OL
= 3mA
0.4
V
V
DD
= 2.7V, I
OL
= 1mA
0.4
V
Power-Down Timing
Test Conditions:V
DD
= +2.7 to +5.5V, Temperature = -40°C to +85°C, unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
(Note 4)
MAX
UNITS
NOTES
V
DD SR-
V
DD
Negative Slew rate
10
V/ms
3
ISL1209
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