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HT8950 Datasheet(PDF) 3 Page - Holtek Semiconductor Inc |
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HT8950 Datasheet(HTML) 3 Page - Holtek Semiconductor Inc |
3 / 11 page Pad Coordinates Unit: µm Pad No. XY Pad No. XY 1 –957.0 720.5 10 732.0 –774.0 2 –957.0 423.5 11 984.0 –675.0 3 –957.0 210.0 12 956.5 –400.0 4 –957.0 –87.0 13 956.5 374.5 5 –957.0 –299.5 14 956.5 671.5 6 –957.0 –596.5 15 530.5 765.5 7 –962.0 –815.0 16 345.50 765.5 8 –161.5 –747.5 17 –33.50 765.5 9 200.5 –747.5 18 –287.50 765.5 Chip size: 2350 × 2080 (µm)2 ∗ The IC substrate should be connected to VSS in the PCB layout artwork. Pin Description (18 Pin Version) Pin No. Pin Name I/O Internal Connection Description 1 SW0 I Pull-High Function setting pin (for electronic setting) 2 SW1 I Pull-High Function setting pin (for electronic setting) 3 SW2 I Pull-High Function setting pin (for electronic setting) 4 VSS I — Negative power supply (GND) 5 AO O — Internal amplifier output 6 AIN I — Internal amplifier input (inverted) 7 VDD O — Positive power supply 8LAMP O NMOS Open Drain Lamp output (brightness changes with voice volume) 9 AUDIO O PMOS Open Drain Audio output 10 Vref I — Internal amplifier reference voltage 11 TS I — For IC test only 12 Fvib O — Vibrato frequency control 13 OSC2 O — Oscillator output 14 OSC1 I — Oscillator input 15 VIB I Pull-High Switch to Vibrato mode (toggle) HT8950 3 5th May ’98 |
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