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參數(shù)資料
| 型號： | DS1554 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 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> | 278K |
| 代理商： | DS1554 |
DS1554
10 of 20
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
-.3V to +6.0V
Storage Temperature
-55
°C to +125°C
Soldering Temperature
260°C for 10 seconds (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
40
75
mA
2, 3
TTL Standby Current ( CE =VIH )
ICC1
3
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1554-100 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:256K NV Y2KC Timekeeping RAM |
| DS1554-70 | 功能描述:實時時鐘 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 |
| DS1554-70+ | 功能描述:實時時鐘 256kB 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 |
| DS1554-70IND | 功能描述:實時時鐘 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 |
| DS1554-70IND+ | 功能描述:實時時鐘 256kB 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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