YMZ705

The YMZ705 is an automatic play LSI with synthesizer equivalent to two YM2149 and ADPCM playback function. The features of YMZ705 can be summarized as (1)with its sequencer function, YMZ705 is able to playback maximum eight voices at the same time from voice data of up to 64 songs stored in the external memory; (2)an external memory up to 8 mbytes can be connected to YMZ705 for storing music data and ADPPCM data; (3)for both SSG and ADPCM, the data can be controlled directly by CPU.

The absolute maximum ratings of the YMZ705 are:(1)power supply voltage: -0.5 to 7.0V; (2)input voltage: -0.5 to VDD+0.5V; (3)output voltage: -0.5 to VDD+0.5V; (4)operating ambient temperature: 0 to 70; (5)storage temperature: -50 to 125.

The following is about the electrical characteristics of YMZ705: (1)input highlevel voltage: 3.5V min and VDD+0.3V max; (2)input lowlevel voltage: -0.3V min and 0.8V max; (3)input highlevel voltage: 2.2V min and VDD+0.3V max; (4)input lowlevel voltage: -0.3V min and 0.8V max; (5)input leak current: -10A min and 10A max; (6)pull-up registance: 30k min and 300k max.