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參數(shù)資料
| 型號(hào)： | DS1747-70IND+ |
| 廠(chǎng)商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 7/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC RTC RAM Y2K 5V 70NS 32-EDIP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 11 |
| 類(lèi)型： | 時(shí)鐘/日歷 |
| 特點(diǎn)： | 閏年，NVSRAM，Y2K |
| 存儲(chǔ)容量： | 512KB |
| 時(shí)間格式： | HH:MM:SS（24 小時(shí)） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | 并聯(lián) |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 通孔 |
| 封裝/外殼： | 32-DIP 模塊（0.600"，15.24mm） |
| 供應(yīng)商設(shè)備封裝： | 32-EDIP |
| 包裝： | 管件 |
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DS1747/DS1747P Y2K-Compliant, Nonvolatile Timekeeping RAMs
15 of 16
AC TEST CONDITIONS
Output Load: 50 pF + 1TTL Gate
Input Pulse Levels: 0 to 3.0V
Timing Measurement Reference Levels:
Input: 1.5V
Output: 1.5V
Input Pulse Rise and Fall Times: 5ns
NOTES:
1) Voltages are referenced to ground.
2) Typical values are at +25°C and nominal supplies.
3) Outputs are open.
4) Battery switchover occurs at the lower of either the battery terminal voltage or VPF.
5) Data-retention time is at +25°C.
6) Each DS1747 has a built-in switch that disconnects the lithium source until the user first applies VCC.
The expected tDR is defined for DIP modules and assembled PowerCap modules as accumulative time
in the absence of VCC starting from the time power is first applied by the user.
7) RTC encapsulated DIP (EDIP) modules can be successfully processed through conventional wave-
soldering techniques as long as temperatures as long as temperature exposure to the lithium energy
source contained within does not exceed +85°C. Post-solder cleaning with water-washing techniques
is acceptable, provided that ultra-sonic vibration is not used.
See the PowerCap package outline drawing for details regarding the PowerCap package.
8) tAH1, tDH1 are measured from WE going high.
9) tAH2, tDH2 are measured from CE going high.
10) tWC = 200ns.
PACKAGE INFORMATION
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note
that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix
character, but the drawing pertains to the package regardless of RoHS status.
PACKAGE TYPE
PACKAGE CODE
OUTLINE NO.
LAND PATTERN NO.
32 EDIP
MDT32+4
—
34 PWRCP
PC2+1
—
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| DS1746-70+ | IC RTC RAM Y2K 5V 70NS 32-EDIP |
| DS1251W-120IND+ | IC NVSRAM 4MBIT 120NS 32DIP |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1747-70IND+ | 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(xiàn)接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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 |
| DS1747-70IND-W | 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(xiàn)接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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 |
| DS1747-DS1747P | 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:Y2K-Compliant, Nonvolatile Timekeeping RAMs |
| DS1747P | 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:Y2K-Compliant, Nonvolatile Timekeeping RAMs |
| DS1747P/YP/WP | 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:PowerCap with Crystal |
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