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參數資料
| 型號： | DS1744WP-120IND+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 15/16頁 |
| 文件大小： | 0K |
| 描述： | IC RTC RAM Y2K 3.3V 120NS 34-PCM |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 40 |
| 類型： | 時鐘/日歷 |
| 特點： | 閏年，NVSRAM，Y2K |
| 存儲容量： | 32KB |
| 時間格式： | HH:MM:SS（24 小時） |
| 數據格式： | YY-MM-DD-dd |
| 接口： | 并聯(lián) |
| 電源電壓： | 2.97 V ~ 3.63 V |
| 電壓 - 電源，電池： | 3V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 34-PowerCap? 模塊 |
| 供應商設備封裝： | 34-PowerCap 模塊 |
| 包裝： | 管件 |
DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs
8 of 16
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground
5.5V Version…………………………..………………………………..…………………………...-0.3V to +6.0V
3.3V Version………………………………………………………………………………………...-0.3V to +4.6V
Storage Temperature Range
EDIP..........................……………………..………………………………………………………...-40°C to +85°C
PowerCap..................……………………..……………………………………………………….-55°C to +125°C
Lead Temperature (soldering, 10s)……….................................................................………………………………..+260°C
Note: EDIP is hand or wave-soldered only.
Soldering Temperature (reflow, PowerCap).................................................................................................................+260°C
This is a stress rating only and functional operation of the device at these or any other condition beyond those indicated in the operation sections of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect reliability.
OPERATING RANGE
RANGE
TEMP RANGE
VCC
Commercial
0°C to +70°C, Noncondensing
3.3V ±10% or 5V±10%
Industrial
-40°C to +85°C, Noncondesnsing
3.3V ±10% or 5V±10%
RECOMMENDED DC OPERATING CONDITIONS
(TA = Over the operating range)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Logic 1 Voltage (All Inputs)
VCC = 5V ±10%
VCC = 3.3V ±10%
VIH
2.2
VCC + 0.3V
V
1
VIH
2.0
VCC + 0.3V
V
1
Logic 0 Voltage (All Inputs)
VCC = 5V ±10%
VCC = 3.3V ±10%
VIL
-0.3
0.8
V
1
VIL
-0.3
0.6
V
1
DC ELECTRICAL CHARACTERISTICS
(VCC = 5.0V ±10%, TA = Over the operating range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Active Supply Current
ICC
75
mA
2, 3, 10
TTL Standby Current
( CE = VIH)
ICC1
6
mA
2, 3
CMOS Standby Current
( CE ≥ VCC - 0.2V)
Icc2
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 = -1.0mA)
VOH
2.4
1
Output Logic 0 Voltage
(IOUT = +2.1mA)
VOL
0.4
1
Write Protection Voltage
VPF
4.25
4.50
V
1
Battery Switchover Voltage
VSO
VBAT
1, 4
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1744WP-120IND+ | 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) |
| DS1745Y-200 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (Battery Based) |
| DS1745Y-200-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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