Watchdog Clock with NV RAM Control

DESCRIPTION The DS1558 is a full-function, year 2000-compliant (Y2KC), real-time clock/calendar with an RTC alarm, watchdog timer, power-on reset, battery monitor, and NV SRAM controller. User access to all registers within the DS1558 is accomplished with a byte-wide interface as shown in Figure

Watchdog Clock with NV RAM Control

DESCRIPTION The DS1558 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar with an RTC alarm, watchdog timer, power-on reset, battery monitor, and NV SRAM controller. User access to all registers within the DS1558 is accomplished with a byte-wide interface as shown in Figure

看门狗时钟，带有NV RAM控制器

DS1558为完备的、2000年兼容(Y2KC)的、实时时钟/日历(RTC)，具有RTC报警、看门狗定时器、上电复位、电池监控以及NV SRAM控制器。用户访问DS1558中所有寄存器都通过完整数据资料中的图1所示的字节宽度接口来实现。RTC寄存器包含24小时制BCD格式的世纪、年、月、日、星期、时、分、秒数据。对于每月天数及闰年的修正均自动完成。\n DS1558的RTC寄存器占用SRAM地址空间，不断地检测A0-A18地址总线。当访问任何高16位地址空间，DS1558将禁用SRAM的/CER和/OER信号，将读和写重新定向至DS1558内的RTC寄存器。DS1558所用SRAM地址空间可达 \n• 集成了实时时钟(RTC)、电源失效控制电路以及NV RAM控制器 \n• 访问时钟寄存器的方式与静态RAM相同；这些寄存器占用16个顶部RAM地址 \n• 世纪寄存器 \n• 采用小型钮扣锂电池及低漏电流的SRAM，在工作电源断电条件下，时间和数据可维持10年以上 \n• 精确的上电复位 \n• 可编程的看门狗定时器和RTC报警 \n• BCD编码的世纪、年、月、日、星期、时、分、秒，同时具有自动闰年补偿至2100年 \n• 电池电压高低指示标志 \n• 电源失效写保护允许±10% VCC电源容差;

封装/外壳：48-LQFP 包装：管件 描述：IC RTC CLK/CALENDAR PAR 48-LQFP 集成电路（IC） 实时时钟

Watchdog Clock with NV RAM Control

DESCRIPTION The DS1558 is a full-function, year 2000-compliant (Y2KC), real-time clock/calendar with an RTC alarm, watchdog timer, power-on reset, battery monitor, and NV SRAM controller. User access to all registers within the DS1558 is accomplished with a byte-wide interface as shown in Figure

Watchdog Clock with NV RAM Control

DESCRIPTION The DS1558 is a full-function, year 2000-compliant (Y2KC), real-time clock/calendar with an RTC alarm, watchdog timer, power-on reset, battery monitor, and NV SRAM controller. User access to all registers within the DS1558 is accomplished with a byte-wide interface as shown in Figure

Watchdog Clock with NV RAM Control

DESCRIPTION The DS1558 is a full-function, year 2000-compliant (Y2KC), real-time clock/calendar with an RTC alarm, watchdog timer, power-on reset, battery monitor, and NV SRAM controller. User access to all registers within the DS1558 is accomplished with a byte-wide interface as shown in Figure

封装/外壳：48-LQFP 包装：管件 描述：IC RTC CLK/CALENDAR PAR 48-LQFP 集成电路（IC） 实时时钟

General purpose operational amplifier

DESCRIPTION The MC1458 is a high-performance operational amplifier with high open-loop gain, internal compensation, high common-mode range and exceptional temperature stability. The MC1458 is short-circuit protected. The MC1458/SA1458/MC1558 consists of a pair of 741 operational amplifiers on a s

2 x 22 W or 4 x 11 W single-ended car radio power amplifier

GENERAL DESCRIPTION The TDA1558Q is a monolithic integrated class-B output amplifier in a 17-lead single-in-line (SIL) plastic power package. The device contains 4 x 11 W single-ended or 2 x 22 W BTL amplifiers and has been primarily developed for car radio applications. FEATURES • Requ

Dual Operational Amplifier

文件：124.93 Kbytes Page：6 Pages

Dual Operational Amplifier

文件：124.93 Kbytes Page：6 Pages

Dual Operational Amplifier

文件：124.93 Kbytes Page：6 Pages