CSS68HC68W1 Datasheet | CSS

css Custom Silicon Solutions, Inc. April 2003 CMOS Serial Digital Pulse Width Modulator Features - Direct Replacement for Intersil CDP68HC68W1 - Programmable Frequency and Duty Cycle Output - Serial Bus Input; patible with Motorola/Intersil SPI Bus, Simple Shift-Register Type Interface - 8 Lead PDIP Package - Schmitt Trigger Clock Inputs - 4V to 6V Operation, -40°C to 85°C Temperature Range - 8 MHz Clock Input Frequency Description The CSS68HC68W1 modulates an input clock to provide a variable frequency and variable duty-cycle output signal. Three 8-bit registers (pulse width, frequency and control) are accessed via a 3 line serial interface. Pinout (PDIP) TOP VIEW CLK 1 CS 2 VT 3 VSS 4 8 VDD 7 PWM 6 SCK 5 DATA Block Diagram INPUT CLK MODULATOR LOGIC - STAGE RIPPLE COUNTER - STAGE RIPPLE COUNTER PULSE - WIDTH DATA REGISTER RESET LOAD LOAD FREQUENCY DATA REGISTER DATA SCK CS - STAGE SHIFT...