Product Summary
The AY0438-I/P is a CMOS integrated device that drives a liquid crystal display, usually under microprocessor control. The part acts as a smart peripheral that drives up to 32 LCD segments. It needs only three control lines due to its serial input construction. The AY0438-I/P latches the data to be displayed and relieves the microprocessor from the task of generating the required waveforms. The AY0438-I/P can drive any standard or custom parallel drive LCD display, whether it be field effect or dynamic scattering; 7-, 9-, 14- or 16-segment characters; decimals. The applications of the AY0438-I/P include Industrial displays, Consumer product displays, Telecom product displays, Automotive dashboard displays.
Parametrics
AY0438-I/P absolute maximum ratings: (1)VDD: -0.3 to 12V; (2)Inputs: VCC to VDD+0.3V; (3)LCD input: -0.3 to VDD+0.3V; (4)Power dissipation: 250mW; (5)storage temperature: -65 to 125℃; (6)operating temperature industrial: -40 to 85℃.
Features
AY0438-I/P features: (1)Drives up to 32 LCD segments of arbitrary configuration; (2)CMOS process for: wide supply voltage range, low- power operation, high-noise immunity, wide temperature range; (3)CMOS and TTL-compatible inputs; (4)Electrostatic discharge protection on all pins; (5)Cascadable; (6)On-chip oscillator; (7)Requires only three control lines.
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