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參數(shù)資料
| 型號(hào)： | DS1248W-120IND |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC NVSRAM 1MBIT 120NS 32DIP |
| 標(biāo)準(zhǔn)包裝： | 11 |
| 類型： | Phantom 計(jì)時(shí)芯片 |
| 特點(diǎn)： | NVSRAM |
| 存儲(chǔ)容量： | 128KB |
| 時(shí)間格式： | HH:MM:SS:hh（12/24 小時(shí)） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | 并聯(lián) |
| 電源電壓： | 2.97 V ~ 3.63 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 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 |
DS1248/DS1248P 1024K NV SRAM with Phantom Clock
2 of 19
ORDERING INFORMATION
PART
TEMP RANGE
VCC RANGE PIN-PACKAGE
DS1248Y-70+
0°C to +70°C
5V ±10%
32 EDIP
DS1248Y-70IND+
-40°C to +85°C
5V ±10%
32 EDIP
DS1248YP-70+
0°C to +70°C
5V ±10%
34 PowerCap*
DS1248W-120+
0°C to +70°C
3.3V ±10%
32 EDIP
DS1248W-120IND+
-40°C to +85°C
3.3V ±10%
32 EDIP
DS1248WP-120+
0°C to +70°C
3.3V ±10%
34 PowerCap*
DS1248WP-120IND+
-40°C to +85°C
3.3V ±10%
34 PowerCap*
+ Denotes a lead(Pb)-free/RoHS-compliant package.
* DS9034PCX+ or DS9034I-PCX+ (PowerCap) required. Must be ordered separately.
DETAILED DESCRIPTION
The DS1248 1024K NV SRAM with phantom clock is a fully static, nonvolatile RAM (organized as
128K words by 8 bits) with a built-in real-time clock. The DS1248 has a self-contained lithium energy
source and control circuitry, which constantly monitors VCC for an out-of-tolerance condition. When such
a condition occurs, the lithium energy source is automatically switched on and writes protection is
unconditionally enabled to prevent garbled data in both the memory and real-time clock.
PACKAGES
The DS1248 is available in two packages: 32-pin DIP and 34-pin PowerCap module. The 32-pin DIP
style module integrates the crystal, lithium energy source, and silicon in one package. The 34-pin
PowerCap module board is designed with contacts for connection to a separate PowerCap (DS9034PCX)
that contains the crystal and battery. This design allows the PowerCap to be mounted on top of the
DS1248P after completion of the surface mount process. Mounting the PowerCap after the surface mount
process prevents damage to the crystal and battery because of the high temperatures required for solder
reflow. The PowerCap is keyed to prevent reverse insertion. The PowerCap module board and PowerCap
are ordered separately and shipped in separate containers.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1248W-120IND+ | 功能描述:實(shí)時(shí)時(shí)鐘 1024k NV SRAM w/Phantom Clock 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(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 |
| DS1248WP-120 | 功能描述:IC NVSRAM 1MBIT 120NS 34PCM RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 實(shí)時(shí)時(shí)鐘 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:時(shí)鐘/日歷 特點(diǎn):警報(bào)器，閏年，SRAM 存儲(chǔ)容量:- 時(shí)間格式:HH:MM:SS（12/24 小時(shí)） 數(shù)據(jù)格式:YY-MM-DD-dd 接口:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源，電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件 |
| DS1248WP-120+ | 功能描述:實(shí)時(shí)時(shí)鐘 1024k NV SRAM w/Phantom Clock 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(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 |
| DS1248WP120IND | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:1024k NV SRAM with Phantom Clock |
| DS1248WP-120IND | 功能描述:IC NVSRAM 1MBIT 120NS 34PCM RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 實(shí)時(shí)時(shí)鐘 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:時(shí)鐘/日歷 特點(diǎn):警報(bào)器，閏年，SRAM 存儲(chǔ)容量:- 時(shí)間格式:HH:MM:SS（12/24 小時(shí)） 數(shù)據(jù)格式:YY-MM-DD-dd 接口:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源，電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件 |
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