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參數(shù)資料
| 型號： | DS1742 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Y2KC Nonvolatile Timekeeping RAM(Y2KC非易失性計時RAM) |
| 文件頁數(shù)： | 5/13頁 |
| 文件大?。?/td> | 95K |
| 代理商： | DS1742 |
DS1742
061998 5/13
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.3V to +6.0V
0
°
C to 70
°
C
–20
°
C to +70
°
C
260
°
C for 10 seconds (See Note 7)
* 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)
NOTES
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Logic 1 Voltage All Inputs
V
CC
= 5V
±
10%
V
IH
2.2
V
CC
+0.3V
V
1
V
CC
= 3.3V
±
10%
V
IH
2.0
V
CC
+0.3V
V
1
Logic 0 Voltage All Inputs
V
CC
= 5V
±
10%
V
IL
–0.3
0.8
V
1
V
CC
= 3.3V
±
10%
V
IL
–0.3
0.6
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
15
50
mA
2, 3
TTL Standby Current
(CE = V
IH
)
I
CC1
1
3
mA
2, 3
CMOS Standby Current
(CE
≥
V
CC
–0.2V)
I
CC2
1
3
mA
2, 3
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
1
Output Logic 0 Voltage
(I
OUT
= +2.1 mA)
V
OL
0.4
1
Write Protection Voltage
V
PF
4.25
4.37
4.50
V
1
Battery Switch Over Voltage
V
SO
V
BAT
1, 4
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| DS1742-100+ | 功能描述:實時時鐘 Timekeeping NV RAM 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 |
| DS1742-100IND | 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 |
| DS1742-100IND+ | 功能描述:實時時鐘 Timekeeping NV RAM 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 |
| DS1742-70 | 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 |
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