实时时钟模块(SPI接口)

• 内置SRAM\n - 包含128位(8位× 16)RAM.\n\n• 接口类型\n - 4线形式的串行接口。\n - *通过将DI和DO引脚连接起来，可实现3线接口类型。\n\n• 32.768kHz 频率输出功能\n - FOUT 引脚输出 (C-MOS 输出), CL=30pF\n - FOE 引脚启用输出打开/关闭控制功能。\n\n• 定时器功能\n - 定时器功能可设置的时间范围为：1/4096秒到4095分钟。\n - 在发生事件的时候，将自动记录到TF-bit，并可能通过/TIRQ引脚进行输出 （开漏输出）。\n\n• 中断功能\n - 报警中断功能，定时器中断 • 内置32.768kHz 晶体单元 (频率精度调整完毕)\n• 工作电压范围:1.6V ~ 5.5V\n• 低待机电流:0.4µA / 3V(Typ.)\n• 32.768kHz频率输出功能:带控制引脚的C-MOS 输出\n• 包括时刻、日历、警报器、定时器功能等。;

爱普生实时时钟RX-4581NB选型手册

文件：410.585 Kbytes Page：2 Pages

REAL TIME CLOCK MODULE (SPI-Bus)

文件：255.68 Kbytes Page：2 Pages

SERIAL-INTERFACE REAL TIME CLOCK MODULE

文件：296.04 Kbytes Page：2 Pages

封装/外壳：22-SMD，20 引线，扁平引线 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC RTC CLK/CALENDAR SPI 22-SON 集成电路（IC） 实时时钟

封装/外壳：22-SMD，20 引线，扁平引线 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC RTC CLK/CALENDAR SPI 22-SON 集成电路（IC） 实时时钟

6.4 VOLT ZENER VOLTAGE 5

• 1N4565A THRU 1N4584A AVAILABLE IN JANHC AND JANKC PER MIL-PRF-19500/452 • ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE • 6.4 VOLT ZENER VOLTAGE + 5 • ELECTRICALLY EQUIVALENT TO 1N4565 THRU 1N4584A • COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES, WITH THE EXCEPTION OF

Sync Separator, 50 Slice, S-H, Filter

General Description The EL4581C extracts timing information from standard negative going video sync found in NTSC, PAL, and SECAM broadcast systems. It can also be used in non standard formats and with computer graphics systems at higher scan rates, by adjusting a single external resistor. When t

Sync Separator, 50 Slice, S-H, Filter

General Description The EL4581C extracts timing information from standard negative going video sync found in NTSC, PAL, and SECAM broadcast systems. It can also be used in non standard formats and with computer graphics systems at higher scan rates, by adjusting a single external resistor. When t

Preamplifier Power Amplifier for 3V Headphone Stereos

Overview The LA4581MB is an auto reverse-supported preamplifier + power amplifier IC that is intended for use in 3V headphone stereos. Features • Preamplifier muting and preamplifier output on/off can be implemented with one pin. This IC can easily be used to construct a set with a radio. • Th

Preamplifier Power Amplifier for 3V Headphone Stereos

Overview The LA4581MB is an auto reverse-supported preamplifier + power amplifier IC that is intended for use in 3V headphone stereos. Features • Preamplifier muting and preamplifier output on/off can be implemented with one pin. This IC can easily be used to construct a set with a radio. • Th