參數(shù)資料
型號: DS1556
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Timer or RTC
英文描述: REAL TIME CLOCK, DMA32
封裝: PLASTIC, MODULE, DIP-32
文件頁數(shù): 2/20頁
文件大?。?/td> 282K
代理商: DS1556
DS1556
10 of 20
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
-.3V to +6.0V
Storage Temperature
-40
°C to +85°C
Soldering Temperature
See J-STD-020A Specification
(DIP Package) (See Note 8)
See IPC/JEDEC Standard J-STD-020A for
Surface Mount Devices
* 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.
OPERATING RANGE
Range
Temperature
VCC
Commercial
0°C to +70°C
3.3V
± 10% or 5V ± 10%
RECOMMENDED DC OPERATING CONDITIONS
(Over the Operating Range)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Logic 1 Voltage All Inputs
VCC = 5V
±10%
VIH
2.2
VCC +0.3V
V
1
VCC = 3.3V
±10%
VIH
2.0
VCC +0.3V
V
1
Logic 0 Voltage All Inputs
VCC = 5V
±10%
VIL
-0.3
0.8
1
VCC = 3.3V
±10%
VIL
-0.3
0.6
1
DC ELECTRICAL CHARACTERISTICS
(Over the Operating Range; VCC = 5.0V
±10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Active Supply Current
ICC
30
85
mA
2, 3
TTL Standby Current ( CE =VIH )
ICC1
4
6
mA
2, 3
CMOS Standby Current
( CE
≥=V
CC - 0.2V)
ICC2
2
4
mA
2, 3
Input Leakage Current (any input)
IIL
-1
+1
A
Output Leakage Current (any
output)
IOL
-1
+1
A
Output Logic 1 Voltage
(IOUT = -1.0 mA)
VOH
2.4
V
1
Output Logic 0 Voltage
(IOUT = 2.1 mA, DQ0-7 Outputs)
VOL1
0.4
V
1
(IOUT = 7.0 mA, IRQ /FT and RST
outputs)
VOL2
0.4
V
1, 5
Write Protection Voltage
VPF
4.25
4.50
V
1
Battery Switch Over Voltage
VSO
VBAT
V
1, 4
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DS1556-70+ 功能描述:實時時鐘 1M NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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