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參數(shù)資料
| 型號(hào)： | DS1243Y-120+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC NVSRAM 64KBIT 120NS 28DIP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 12 |
| 類型： | Phantom 計(jì)時(shí)芯片 |
| 特點(diǎn)： | 閏年 |
| 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： | 4.5 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 28-DIP 模塊（0.600"，15.24mm） |
| 供應(yīng)商設(shè)備封裝： | 28-EDIP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1432 (CN2011-ZH PDF) |
DS1243Y
6 of 14
PHANTOM CLOCK REGISTER DEFINITION Figure 2
AM-PM/12/24 MODE
Bit 7 of the hours register is defined as the 12- or 24-hour mode select bit. When high, the 12-hour mode
is selected. In the 12-hour mode, bit 5 is the AM/PM bit with logic high being PM. In the 24-hour mode,
bit 5 is the 20-hour bit (20–23 hours).
OSCILLATOR AND RESET BITS
Bits 4 and 5 of the day register are used to control the RESET and oscillator functions. Bit 4 controls the
RESET
(pin 1). When the RESET bit is set to logic 1, the RESET input pin is ignored. When the RESET
bit is set to logic 0, a low input on the RESET pin will cause the Phantom Clock to abort data transfer
without changing data in the watch registers. Bit 5 controls the oscillator. When set to logic 1, the
oscillator is off. When set to logic 0, the oscillator turns on and the watch becomes operational. These
bits are shipped from the factory set to a logic 1, oscillator off.
ZERO BITS
Registers 1, 2, 3, 4, 5, and 6 contain one or more bits that always read logic 0. When writing these
locations, either a logic 1 or 0 is acceptable.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1243Y120+ | 制造商:Maxim Integrated Products 功能描述: |
| DS1243Y-120+ | 功能描述:實(shí)時(shí)時(shí)鐘 64k 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 |
| DS1243Y-120+ | 制造商:Maxim Integrated Products 功能描述:IC |
| DS1243Y-150 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:64K NV SRAM with Phantom Clock |
| DS1243Y4120 | 制造商:Maxim Integrated Products 功能描述: |
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