256k NV SRAM with Phantom Clock

DESCRIPTION The DS1631, DS1631A, and DS1731 digital thermometers provide 9, 10, 11, or 12-bit temperature readings over a -55°C to +125°C range. The DS1631 and DS1631A thermometer accuracy is ±0.5°C from 0°C to +70°C with 3.0V ≤ VDD ≤ 5.5V, and the DS1731 accuracy is ±1°C from -10°C to +85°C wi

文件：288.2 Kbytes 頁數(shù)：19 Pages

DALLAS

NV SRAM with Phantom Clock

文件：446.22 Kbytes 頁數(shù)：16 Pages

ARTSCHIP

256k NV SRAM，帶有隱含時(shí)鐘

具有隱含時(shí)鐘的DS1244 256k、NV SRAM為全靜態(tài)非易失RAM (NV SRAM) (按照8位、32k字排列)，內(nèi)置實(shí)時(shí)時(shí)鐘。DS1244自帶鋰電池及控制電路，控制電路連續(xù)監(jiān)視VCC是否超出容差范圍，一旦超出容差，鋰電池便自動(dòng)切換至供電狀態(tài)，寫保護(hù)將無條件使能、以防存儲(chǔ)器和實(shí)時(shí)時(shí)鐘數(shù)據(jù)被破壞。\n 隱含時(shí)鐘提供百分之一秒、秒、分、時(shí)、星期、日、月、年等時(shí)間信息。對(duì)少于31天的月份，月終日期可自動(dòng)調(diào)節(jié)，包括對(duì)閏年的修正。隱含時(shí)鐘格式可配置為24小時(shí)制或配合AM/PM指示的12小時(shí)制。 \n? 實(shí)時(shí)時(shí)鐘(RTC)保持跟蹤百分之一秒、秒、分、時(shí)、星期、日、月和年 \n? 32k x 8 NV SRAM可直接替代易失靜態(tài)RAM或EEPROM \n? 內(nèi)置鋰電池維持日歷運(yùn)行并保存RAM數(shù)據(jù) \n? 時(shí)鐘功能對(duì)RAM操作完全透明 \n? 月和年決定每個(gè)月的天數(shù)，有效期至2100年 \n? 10%工作范圍 \n? 工作溫度范圍：0°C至+70°C \n? 無外部電源時(shí)可保存數(shù)據(jù)10年以上 \n? 第一次上電前，鋰電池與電路斷開、維持保鮮狀態(tài) \n? 提供DIP模塊 \n? 標(biāo)準(zhǔn)28引腳JEDEC引腳排列 \n? PowerCap模板 \n? 表面貼裝可直接與帶有電池和晶振的Po;

ADI

亞德諾

Low-Power, 24-Bit ANALOG-TO-DIGITAL CONVERTER

文件：292.95 Kbytes 頁數(shù)：17 Pages

BURR-BROWN

256K NV SRAM with Phantom Clock

DESCRIPTION The DS1244Y 256K NV SRAM with Phantom Clock is a fully static nonvolatile RAM (organized as 32,768 words by 8 bits) with a built–in real time clock. The DS1244Y has a self–contained lithium energy source and control circuitry which constantly monitors VCC for an out–of–tolerance condi

文件：94.08 Kbytes 頁數(shù)：12 Pages

DALLAS

PowerCap with Crystal

GENERAL DESCRIPTION The DS9034PCX PowerCap is designed to be a lithium power source for nonvolatile timekeeping RAMs in Dallas Semiconductor’s directly surface-mountable PowerCap Module (PCM) package. After a PowerCap module board has been soldered in place and cleaned, the DS9034PCX PowerCap is

文件：114.12 Kbytes 頁數(shù)：5 Pages

MAXIM

美信