STK1744中文資料ETC數(shù)據(jù)手冊PDF規(guī)格書
STK1744規(guī)格書詳情
[Simtek]
DESCRIPTION
The Simtek STK1744 DIP module houses 256Kb of nonvolatile static RAM, a real-time clock (RTC) with crystal and a high-value capacitor to support systems that require high reliability and ease of manufacturing. READ and WRITE access to all RTC functions and the memory is the same as a conventional x 8 SRAM. The highest eight addresses of the RAM support clock registers for centuries, years, months, dates, days, hours, minutes and seconds.
FEATURES
? Data Integrity of Simtek nvSRAM Combined with Full-Featured Real-Time Clock
? Stand-Alone Nonvolatile Memory and TimeKeeping Solution—No Other Parts Required
? No Batteries to Fail
? Fast 25ns, 35ns and 45ns Access Times
? Software- and AutoStore?-Controlled Nonvolatile Cycles
? Year 2000 Compliant with Leap Year Compensation
? 24-Hour BCD Format
? 100-Year Data Retention over Full Industrial Temperature Range
? Full 30-Day RTC Operation on Each Power Loss
? Single 5V ± 10 Power Supply
| 供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
UTG |
23+ |
SOT-89 |
11200 |
原廠授權(quán)一級代理、全球訂貨優(yōu)勢渠道、可提供一站式BO |
詢價 | ||
24+ |
N/A |
56000 |
一級代理-主營優(yōu)勢-實惠價格-不悔選擇 |
詢價 | |||
SIMTEK |
24+ |
QFP |
6500 |
獨立分銷商 公司只做原裝 誠心經(jīng)營 免費試樣正品保證 |
詢價 | ||
Simtek |
21+ |
25000 |
原廠原包 深圳現(xiàn)貨 主打品牌 假一賠百 可開票! |
詢價 | |||
Cypress |
23+ |
48SSOP |
8000 |
只做原裝現(xiàn)貨 |
詢價 | ||
Cypress |
23+ |
48-SSOP |
1389 |
專業(yè)分銷產(chǎn)品!原裝正品!價格優(yōu)勢! |
詢價 | ||
SIMTEK |
24+ |
QFP |
35200 |
一級代理/放心采購 |
詢價 | ||
ST |
SOT223 |
93480 |
集團化配單-有更多數(shù)量-免費送樣-原包裝正品現(xiàn)貨-正規(guī) |
詢價 | |||
Cypress |
22+ |
48SSOP |
9000 |
原廠渠道,現(xiàn)貨配單 |
詢價 | ||
Simtek |
21+ |
NA |
11200 |
正品專賣,進口原裝深圳現(xiàn)貨 |
詢價 |
