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The S6B0719 is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 105 common and 160 segment driver circuits. This chip is connected directly to a microprocessor, accepts serial or 8- bit parallel display data and stores in an on-chip display data RAM of 105 x 160 bits. It provides a highly flexible display section due to 1-to-1 correspondence between on-chip display data RAM bits and LCD panel pixels. And it performs display data RAM read/write operation with no external-operating clock to minimize power consumption. In addition, because it contains power supply circuits necessary to drive liquid crystal, it is possible to make a display system with the fewest components.
S6B0719 Maximum Ratings
Parameter
Symbol
Rating
Unit
Supply voltage range
VDD
- 0.3 ~ + 7.0
V
V0, VOUT
+ 0.3 ~ + 17.0
V
V1, V2, V3, V4
+ 0.3 ~ V0
V
External reference voltage
VEXT
+ 0.3 ~ VDD
Input voltage range
VIN
- 0.3 ~ VDD + 0.3
V
Operating temperature range
TOPR
- 40 ~ + 85
Storage temperature range
TSTR
- 55 ~ + 125
NOTES: 1. VDD, V0, VOUT, V1 to V4, VEXT and VCI are based on Vss = 0V. 2. Voltage VOUT V0 V1 V2 V3 V4 VSS must always be satisfied. 3. If supply voltage exceeds its absolute maximum range, this LSI may be damaged permanently. It is desirable to use this LSI under electrical characteristic conditions during general operation. Otherwise, this LSI may malfunction or reduced LSI reliability may result.
S6B0719 Features
`Driver Output Circuits - 105 common outputs / 160 segment outputs - Various partial display - Partial window moving & data scrolling `On-chip Display Data RAM - Capacity: 105 x 160 = 16,800 bits - Bit data "1": a dot of display is illuminated - Bit data "0": a dot of display is not illuminated `Microprocessor Interface - 8-bit parallel bi-directional interface with 6800-series or 8080-series - Serial interface (only write operation) available `On-chip Low Power Analog Circuit - On-chip oscillator circuit - Voltage converter (x3, x4, x5 or x6) - Voltage regulator (temperature coefficient: -0.05%/°C or external input) - On-chip electronic contrast control function (64 steps) - Voltage follower (LCD bias: 1/4 to 1/11) `Operating Voltage Range - Supply voltage (VDD): 2.4 to 3.6 V - LCD driving voltage (VLCD = V0 - VSS): 4.0 to 15.0 V `Low Power Consumption - TBD A Typ. (VDD = 3V, x6 boosting, V0 = 13V, Internal power supply ON and display OFF) - TBD A Max. (during power save [standby] mode ) `Package Type - Gold bumped chip or TCP