MC6875

® MOTOROLA Specifications and Applications Information M6800 CLOCK GENERATOR Intended to supply the non-overlapping t/>1 and t/>2 clock signals required by the microprocessor, this clock generator is compatible with 1.0, 1.5, and 2.0 MHz versions of the MC6800. Both the oscillator and high capacitance driver elements are included along with numerous other logic accessory functions for easy system expansion. Schottky technology is employed for high speed and PNP-buffered inputs are employed for NMOS compatibility. A single +5 V power supply, and a crystal or RC network for frequency determination are required. Typical MPU System with Bus Extenders GND +5 V c:::J 4 x fo MPU T MC6875 MC6875A M6800 TWO-PHASE CLOCK GENERATOR/DRIVER SCHOTTKY MONOLITHIC INTEGRATED CIRCl)IT LSUFFIX CERAMIC PACKAGE CASE 620-02 ADDRESS AND CONTROL BUS DATA BUS PIN CONNECTIONS X1 X2 Ext In 4 x fo 2 x fo Memory Ready Bus q,2 Ground 3 4 5 6 7 B 16 VCC i5 MPUq,1 14 Reset Output 13 MPU q,2 12 Power-On Reset 11 DMA/Ref Grant 10 DMA/Ref Req 9 Memory Clock 3·637 ORDERING INFORMATION IDevice Temperature Range MC6875L I MC6875AL I Oto +700 C -55 to +1250 C I Paek..e I Ceramic Dip ICeramic Dip II MC6875, MC6875A ABSOLUTE MAXIMUM RATINGS (Unless otherwise noted TA = 250 C.l Rating Symbol Value Power Supply Voltage Input Voltage Operating Ambient Temperature Range MC6875L MC6875AL VCC VI TA +7.0 +5.5 oto +70 ·55 to +125 Unit Vdc Vdc °c Storage Temperature Range Tstg -65 to +150 °c ...