参数资料
型号: ISL1220
厂商: Intersil Corporation
英文描述: Low Power RTC with 8 Bytes of Battery Backed SRAM and Separate FOUT(具有电池供电的8位SRAM和独立输出的低功率RTC)
中文描述: 低功耗RTC与8电池供电SRAM和独立的FOUT(具有电池供电的8位的SRAM和独立输出的低功率实时时钟字节)
文件页数: 3/20页
文件大小: 328K
代理商: ISL1220
3
FN6315.0
June 22, 2006
Absolute Maximum Ratings
Thermal Information
Voltage on V
DD
, V
BAT
, SCL, SDA, and IRQ, F
OUT
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
ESD Rating (Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . .>175V
Output Current Sink (F
OUT
, IRQ . . . . . . . . . . . . . . . . . . . . . . . . 3mA
Thermal Resistance (Typical, Note 1)
10 Ld MSOP Package . . . . . . . . . . . . . . . . . . . . . . .
Moisture Sensitivity (see Technical Brief TB363). . . . . . . . . . Level 2
Maximum Junction Temperature (Plastic Package). . . . . . . . .150°C
θ
JA
(°C/W)
120
Recommended
Operating Conditions
Ambient
Temperature . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 85°C
V
DD
Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
V
BAT
Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8V to 5.5V
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.
NOTE:
1.
θ
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
DC Operating Characteristics – RTC
Temperature = -40°C to +85°C, unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
(Note 5)
MAX
UNITS
NOTES
V
DD
V
BAT
I
DD1
Main Power Supply
2.7
5.5
V
Battery Supply Voltage
1.8
5.5
V
Supply Current
V
DD
= 5V
V
DD
= 3V
V
DD
= 5V
V
DD
= 5V, LPMODE = 1
V
BAT
= 3V
V
DD
= 5.5V, V
BAT
= 1.8V
2
6
μA
2, 3
1.2
4
μA
I
DD2
I
DD3
I
BAT
I
BATLKG
I
LI
I
LO
V
TRIP
V
TRIPHYS
V
BATHYS
IRQ, F
OUT
V
OL
Supply Current with I
2
C Active
40
120
μA
2, 3
Supply Current (Low Power Mode)
1.4
5
μA
2, 7
Battery Supply Current
400
950
nA
2
Battery Input Leakage
100
nA
Input Leakage Current on SCL
100
nA
I/O Leakage Current on SDA
100
nA
V
BAT
Mode Threshold
V
TRIP
Hysteresis
V
BAT
Hysteresis
1.6
2.2
2.64
V
10
35
60
mV
10
50
100
mV
Output Low Voltage
V
DD
= 5V, I
OL
= 3mA
V
DD
= 2.7V, I
OL
= 1mA
V
DD
= 5.5V
V
OUT
= 5.5V
0.4
V
0.4
V
I
LO
Output Leakage Current
100
400
nA
Power-Down Timing
Temperature = -40°C to +85°C, unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
(Note 5)
MAX
UNITS
NOTES
V
DD SR-
V
DD
Negative Slewrate
10
V/ms
4
Serial Interface Specifications
Over the recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(Note 5)
MAX
UNITS
NOTES
SERIAL INTERFACE SPECS
V
IL
SDA and SCL Input Buffer LOW
Voltage
-0.3
0.3 x
V
DD
V
ISL1220
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