| 型號 | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
Y2K兼容、非易失時鐘RAM The DS1743 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) and 8k x 8 nonvolatile static RAM. User access to all registers within the DS1743 is accomplished with a bytewide interface as shown in Figure 1 in the full data sheet. The RTC information and control bits resi \n? Integrated NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit, and Lithium Energy Source \n? Clock Registers are Accessed Identically to the Static RAM. These Registers Reside in the Eight Top RAM Locations. \n? Century Byte Register \n? Totally Nonvolatile with Over 10 Years of Opera; | ADI 亞德諾 | ADI | ||
Y2K兼容、非易失時鐘RAM The DS1743 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) and 8k x 8 nonvolatile static RAM. User access to all registers within the DS1743 is accomplished with a bytewide interface as shown in Figure 1 in the full data sheet. The RTC information and control bits resi \n? Integrated NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit, and Lithium Energy Source \n? Clock Registers are Accessed Identically to the Static RAM. These Registers Reside in the Eight Top RAM Locations. \n? Century Byte Register \n? Totally Nonvolatile with Over 10 Years of Opera; | ADI 亞德諾 | ADI | ||
Y2K兼容、非易失時鐘RAM DS1744是功能完備、2000年兼容(Y2KC)的實時時鐘/日歷(RTC)和32k x 8 NV SRAM。用戶可通過如完整數(shù)據(jù)資料中的圖1所示的單字節(jié)寬度的接口對DS1744內(nèi)部的所有寄存器進行訪問。RTC信息和控制位占用RAM中最高的8個地址。RTC寄存器包含世紀、年、月、日、星期、小時、分和秒數(shù)據(jù),采用24小時BCD格式。器件可自動對每個月份及閏年進行日期校正。RTC時鐘寄存器采用雙緩沖,可避免在時鐘更新周期內(nèi)訪問不正確的數(shù)據(jù)。雙緩沖系統(tǒng)還可以防止訪問時間寄存器時導致倒數(shù)計時無法減少而引起的時間丟失。DS1744還包含電源失效電路,用于當VCC電源超出容差時,禁止選通器件。由于低VCC ? 集成的NV SRAM、實時時鐘、晶體、電源失效控制電路和鋰電池\n? 訪問時鐘寄存器方式與靜態(tài)RAM完全相同,這些寄存器位于RAM中最高的8個地址\n? 世紀字節(jié)寄存器;Y2K兼容\n? 完全的非易失性,可在缺少電源的條件下工作10年以上\n? BCD編碼的世紀、年、月、日、星期、小時、分和秒數(shù)據(jù),可自動進行閏年補償至2100年\n? 電池電壓指示標志\n? 電源失效寫保護,允許±10%的VCC電源容差\n? 鋰電池處于開路的保鮮模式,直至首次電源加電\n? 僅對于DIP模塊\n? 標準的JEDEC字節(jié)寬度32k x 8靜態(tài)RAM引腳排列\(zhòng)n\n\n? 僅對于PowerCap模板\; | ADI 亞德諾 | ADI | ||
Package:24-DIP 模塊(0.600",15.24mm);包裝:管件 類別:集成電路(IC) 實時時鐘 描述:IC RTC CLK/CALENDAR PAR 24-EDIP | AD 亞德諾 | AD | ||
Package:24-DIP 模塊(0.600",15.24mm);包裝:管件 類別:集成電路(IC) 實時時鐘 描述:IC RTC CLK/CALENDAR PAR 24-EDIP | AD 亞德諾 | AD | ||
Package:24-DIP 模塊(0.600",15.24mm);包裝:管件 類別:集成電路(IC) 實時時鐘 描述:IC RTC CLK/CALENDAR PAR 24-EDIP | AD 亞德諾 | AD |
技術參數(shù)
- VSUPPLY(V):
3.3
- Date/ Time Format (hh = sec/100):
YYYY-MM-DD/ HH
- Features:
Battery + Crystal
- Memory Type:
NV SRAM
- Memory Size(Bytes):
32K
- Time of Day Alarms:
0
- Functions:
RTC
- RoHS Available:
See Data Sheet
- Package/ Pins:
MOD/28
- Smallest Available Pckg. (max w/pins)(mm2):
596.9
- Oper. Temp.(°C):
0 to +70
- Budgetary Price (See Notes):
$17.03 @1k
| 供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
DALLAS |
25+ |
TSOP |
471 |
⊙⊙新加坡大量現(xiàn)貨庫存,深圳常備現(xiàn)貨!歡迎查詢!⊙ |
詢價 | ||
DALLAS |
10+ |
SOP |
7800 |
全新原裝正品,現(xiàn)貨銷售 |
詢價 | ||
DALLAS |
23+ |
TQFP |
2870 |
絕對全新原裝!現(xiàn)貨!特價!請放心訂購! |
詢價 | ||
DALLAS |
24+ |
DIP |
25 |
原裝現(xiàn)貨假一罰十 |
詢價 | ||
DAL |
24+/25+ |
71 |
原裝正品現(xiàn)貨庫存價優(yōu) |
詢價 | |||
23+ |
12000 |
全新原裝的現(xiàn)貨 |
詢價 | ||||
MAXIM |
13+ |
PCM-34 |
1369 |
原裝分銷 |
詢價 | ||
DALLAS |
25+ |
DIP18 |
18000 |
原廠直接發(fā)貨進口原裝 |
詢價 | ||
DAL |
05+ |
原廠原裝 |
65 |
只做全新原裝真實現(xiàn)貨供應 |
詢價 | ||
DALLAS |
24+ |
SMD |
151 |
新 |
詢價 |
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