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Multifunction LCD Segment Driver - BU9798KV

ROHM's multi-function segment driver is optimal for LCD segment driver from 100 to 200 segments approximately. Integrating RAM for display in IC contributes to reducing CPU load, power consumption and less peripheral equipment, realizing power saving design. It features compatibility to the LED deriver, RAM luminance function and GPO as a added function as well.

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Part Number Status Package Unit Quantity Minimum Package Quantity Packing Type Constitution Materials List RoHS
BU9798KV-E2 Active VQFP64 1000 1000 Taping inquiry Yes
 
Specifications:
Segment Element 196
Duty Static, 1/3, 1/4
Bias Static, 1/3
Elements of MUX 1:1 49
Elements of MUX 1:3 147
Elements of MUX 1:4 196
Interface [line serial] 3
Interface Voltage (Min.)[V] 1.8
Interface Voltage (Max.)[V] 3.6
GPO [port] 31
LED Driver [port] 3
Operating Temperature (Min.)[°C] -30
Operating Temperature (Max.)[°C] 75
Features:
  • ・Built-in Oscillator circuit
    ・Support Split Supply for Logic (VDD) and LCD (VLCD)
    ・Support two output mode SEG/GPO
    ・Support PWM source select, external clock or internal clock
        (8bit・・・BU97930MUV/BU97931FV)
        (12bit/8bit・・・BU9798KV/GUW)
    ・Low power consumption
    ・Support standby mode
    ・Built-in Power-on Reset circuit
    ・No external component
    ・Support blink function (BU9798KV/GUW, BU97930MUV/BU97931FV)
        (Blink frequency 1.6, 2.0, 2.6, 4.0Hz selectable)
 
 
 
 
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