参数资料
型号: DS1501
厂商: Maxim Integrated Products, Inc.
英文描述: Y2KC Watchdog Real Time Clock(Y2KC看门狗实时时钟)
中文描述: Y2K兼容、看门狗实时时钟
文件页数: 10/22页
文件大小: 178K
代理商: DS1501
DS1501/DS1511
071098 10/22
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.5V to +6.0V
0
°
C to 70
°
C
–55
°
C to +125
°
C
260
°
C for 10 seconds (See Note 8)
* This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
(0
°
C to 70
°
C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Logic 1 Voltage All Inputs
V
CC
= 5V
±
10%
V
CC
= 3.3V
±
10%
V
IH
2.2
V
CC
+0.3
V
1
V
IH
2.0
V
CC
+0.3
V
1
Logic 0 Voltage All Inputs
V
CC
= 5V
±
10%
V
CC
= 3.3V
±
10%
V
IL
–0.3
0.8
V
1
V
IL
–0.3
0.6
V
1
Battery Voltage
V
BAT
2.5
3.7
V
1
Auxiliary Battery Voltage
V
BAUX
2.5
3.7
V
1
DC ELECTRICAL CHARACTERISTICS
(0
°
C to 70
°
C; V
CC
= 5.0V
±
10%)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Active Supply Current
I
CC
X
15
mA
2
TTL Standby Current
(CE = V
IH
)
I
CC1
X
3
mA
2
CMOS Standby Current
(CE
V
CC
–0.2V)
I
CC2
X
3
mA
2
Battery Current, Oscillator On
I
BAT1
1.0
μ
A
Battery Current, Oscillator Off
I
BAT2
0.1
μ
A
Input Leakage Current (any input)
I
IL
–1
+1
μ
A
Output Leakage Current (any
output)
I
OL
–1
+1
μ
A
Output Logic 1 Voltage
(I
OUT
= –1.0 mA)
V
OH
2.4
V
1
Output Logic 0 Voltage
I
OUT
= 2.1 mA, DQ0–7 Outputs
10 0 mA IRQ PWR and
I
OUT
= 10.0 mA, IRQ, PWR, and
RST Outputs
V
OL1
0.4
V
1
V
OL2
0.4
V
1, 3
Power Fail Voltage
V
PF
4.25
4.37
4.50
V
1
Battery Switch Over Voltage
V
SO
V
BAT
,
V
BAUX
V
1, 4
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