LCD row/column driver for dot matrix graphic displays

GENERAL DESCRIPTION The PCF8578 is a low power CMOS LCD row/column driver, designed to drive dot matrix graphic displays at multiplex rates of 1 : 8, 1 : 16, 1 : 24 or 1 : 32. The device has 40 outputs, of which 24 are programmable, configurable as 32⁄8, 24⁄16, 16⁄24 or 8⁄32 rows/columns. The PCF

Real-time Clock IC

OVERVIEW The SM8578BV is a serial interface, real-time clock IC that uses a 32.768 kHz crystal oscillator for its refer ence timing. It comprises second-counter to year-counter clock and calendar circuits that feature automatic leap-year adjustment, alarm and timer interrupt functions, as well as

Real-time Clock IC

OVERVIEW The SM8578BV is a serial interface, real-time clock IC that uses a 32.768 kHz crystal oscillator for its refer ence timing. It comprises second-counter to year-counter clock and calendar circuits that feature automatic leap-year adjustment, alarm and timer interrupt functions, as well as

Dual common-mode rejection differential line receiver

文件：55.41 Kbytes Page：13 Pages

Dual common-mode rejection differential line receiver

文件：55.41 Kbytes Page：13 Pages