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參數(shù)資料
| 型號： | DS1744WP-120 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Timer or RTC |
| 英文描述： | REAL TIME CLOCK, DMA34 |
| 封裝： | POWERCAP MODULE BOARD-34 |
| 文件頁數(shù)： | 16/18頁 |
| 文件大?。?/td> | 221K |
| 代理商： | DS1744WP-120 |
DS1744/DS1744P
7 of 18
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
–0.3V to +6.0V
Operating Temperature
0
°C to 70°C
Storage Temperature
–20
°C to +70°C
Soldering Temperature
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 condition 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
VIH
2.2
VCC+0.3V
V
1
Logic 1 Voltage All Inputs
VCC = 5V
±10%
VCC = 3.3V
±10%
VIH
2.0
VCC+0.3V
V
1
VIL
-0.3
0.8
V
1
Logic 0 Voltage All Inputs
VCC = 5V
±10%
VCC = 3.3V
±10%
VIL
-0.3
0.6
V
1
DC ELECTRICAL CHARACTERISTICS
(0
°C to 70°C; V
CC
= 5.0V
±=10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Active Supply Current
Icc
X
75
mA
2,3
TTL Standby Current
(CE = VIH)
Icc1
X
6
mA
2,3
CMOS Standby Current
(CE
≥V
CC-0.2V)
Icc2
X
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
1
Output Logic 0 Voltage
(IOUT = +2.1 mA)
VOL
0.4
1
Write Protection Voltage
VPF
4.25
4.37
4.50
V
1
Battery Switch Over Voltage
VSO
VBAT
1,4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1744P-70 | 0 TIMER(S), REAL TIME CLOCK, DMA28 |
| DS1744W-120 | 0 TIMER(S), REAL TIME CLOCK, DMA28 |
| DS1744P | REAL TIME CLOCK, DMA34 |
| DS1744 | REAL TIME CLOCK, DMA28 |
| DS1746-70 | 0 TIMER(S), REAL TIME CLOCK, DIP32 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1744WP-120+ | 功能描述:實(shí)時(shí)時(shí)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(shí)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 |
| DS1744WP-120IND | 功能描述:實(shí)時(shí)時(shí)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(shí)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 |
| DS1744WP-120IND+ | 功能描述:實(shí)時(shí)時(shí)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(shí)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 |
| DS1745Y-150 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (Battery Based) |
| DS1745Y-150-IND | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (Battery Based) |
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