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HV633PG Datasheet(PDF) 1 Page - Supertex, Inc |
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HV633PG Datasheet(HTML) 1 Page - Supertex, Inc |
1 / 10 page HV633 HV633 32-Channel 128-Level Amplitude Gray-Shade Display Column Driver Features ❏ 5V CMOS inputs ❏ Up to 80V modulation voltage ❏ Capable of 128 levels of gray shading ❏ 24MHz data throughput rate ❏ 32 outputs per device (can be cascaded) ❏ Pin-programmable shift direction (DIR) ❏ D/A conversion cycle time is 20µs ❏ Diodes in output structure allow usage in energy recovery systems ❏ Integrated HVCMOS® technology ❏ Available in 3-sided 64-lead gullwing package General Description The HV633 is a 32-channel driver IC for gray shade display use. It is designed to produce varying output voltages between 3 and 80 volts. This amplitude modulation at the output is facilitated by an external ramp voltage V R. See Theory of Operation for detailed explanation. This device consists of a dual 16-bit shift registers, 32 data latches and comparators, and control logic to preform 128 levels of gray shading. There are 7 bits of data inputs. Data is shifted through the shift registers at both edges of the clock, resulting a data transfer rate of twice of the shift clock frequency. When the DIR pin is high, CSI/CSO is the input/output for the chip select pulse. When DIR is low, CSI/CSO is the output/input for the chip select pulse. The DIR = HIGH also allows the HV633 to shift data in the counter- clockwise direction when viewed from the top of the package. When the DIR pin is low, data is shifted in the clockwise direction. The output circuitry allows the energy which is stored in the output capacitance to be returned to V PP through the body diode of the output transistor. Ordering Information Package Option Device 64-Lead 3-sided Plastic Gullwing HV633 HV633PG Absolute Maximum Ratings Supply voltage, V DD 1 -0.5V to +7.5V Supply voltage, VPP 1 -0.5V to +90V Logic input levels1 -0.5 to V DD + 0.5V Ground current 2 1.5A Continuous total power dissipation3 1W Operating temperature range -40 °C to +70°C Storage temperature range -65 °C to +150°C Lead temperature 1.6mm (1/16 inch) 260 °C from case for 10 seconds Notes: 1. All voltages are referenced to GND. 2. Duty cycle is limited by the total power dissipated in the package. 3. For operation above 25 °C ambient derate linearly to 70°C at 22.2mW/°C. 08/08/01 Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the Supertex website: http://www.supertex.com. For complete liability information on all Supertex products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website. Internal/Preliminary |
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