Purchase ML9090A-01, In-stock ML9090A-01 From SeekIC.
Part Number: ML9090A-01
Description: The ML9090A-01 and ML9090A-02 are LCD drivers that contain internal RAM and a key scan function. They are best suited f...
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ML9090A-01
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DataSheet
General Description
ML9090A-01 General Description
The ML9090A-01 and ML9090A-02 are LCD drivers that contain internal RAM and a key scan function. They are best suited for car audio displays.
Since 1-bit data of the display data RAM corresponds to the light-on or light-off of 1-dot of the LCD panel (a bit map system), a flexible display is possible.
A single chip can implement a graphic display system of a m aximum of 80 × 18 dots (80 × 10 dots for the ML9090A-01, 80 × 18 dots for the ML9090A-02).
Since containing voltage multipliers, the ML9090A-01 and ML9090A-02 require no power supply circuit to drive the LCD.
Since the internal 5 × 5 scan circuit has eliminated the needs of key scanning by the CPU, the ports of the CPU can be efficiently used.
ML9090A-01 Maximum Ratings
| Parameter | Symbol | Condition | Rating | Unit | Applicable Pins |
| Power Supply Voltage | VDD | Ta = 25°C | 0.3 to +7.0 | V | VDD |
| Bias Voltage | VBI | Ta = 25°C | 0.3 to +18.0 | V | VC1, VC2, VS1, VS2, V2,V3A, V3B |
| Voltage Multiplier ReferenceVoltage |
VIN | Ta = 25°C*1 | 0.3 to +9.0 | V | VIN |
| Ta = 25°C*2 | 0.3 to +6.0 | ||||
| Input Voltage | VI | Ta = 25°C | 0.3 to VDD +0.3 | V | CS, CP, DI/O,OSC1, RESET, DT,TEST, C0 to C4 |
| Output Current | IO | Ta = 25°C | -20 | mA | PA0, PB5 to PB7 |
| Ta = 25°C | -3 | mA | PB0 to PB4 | ||
| Power Dissipation | PD | Ta = 85°C | 190 | mW | |
| Storage Temperature | Tstg | 55 to +150 | °C |
*1: When the voltage doubler is used.
*2: When the voltage tripler is used.
ML9090A-01 Features
• Logic voltage: 2.7 to 5.5 V
• LCD drive voltage: 6 to 16 V (positive voltage)
• 80 segment outputs, 10 common outputs for ML9090A-01 and 18 common outputs for ML9090A-02
• Built-in bit-mapped RAM (ML9090A-01: 80 * 10 = 800 bits, ML9090A-02: 80 * 18 = 1440 bits)
• 4-pin serial interface with CPU: CS, CP, DI/O, KREQ
• Built-in LCD drive bias resistors
• Built-in voltage doubler or tripler circuit
• Built-in 5 * 5 key scanner
• Port A output : 1 pin, output current: 15 mA: (may be used for LED driving)
• Port B output : 8 pins
Output current (available for the ML9090A-01 only)
2 mA : 5 pins
15 mA : 3 pins
• Temperature range: 40 to +85°C
• Package: 128-pin plastic QFP (QFP128-P-1420-0.50-K) (Product name: ML9090A-01GA)
(Product name: ML9090A-02GA)
• LCD drive voltage: 6 to 16 V (positive voltage)
• 80 segment outputs, 10 common outputs for ML9090A-01 and 18 common outputs for ML9090A-02
• Built-in bit-mapped RAM (ML9090A-01: 80 * 10 = 800 bits, ML9090A-02: 80 * 18 = 1440 bits)
• 4-pin serial interface with CPU: CS, CP, DI/O, KREQ
• Built-in LCD drive bias resistors
• Built-in voltage doubler or tripler circuit
• Built-in 5 * 5 key scanner
• Port A output : 1 pin, output current: 15 mA: (may be used for LED driving)
• Port B output : 8 pins
Output current (available for the ML9090A-01 only)
2 mA : 5 pins
15 mA : 3 pins
• Temperature range: 40 to +85°C
• Package: 128-pin plastic QFP (QFP128-P-1420-0.50-K) (Product name: ML9090A-01GA)
(Product name: ML9090A-02GA)
ML9090A-01 Connection Diagram
ML9040
PDF/DataSheet Download
- Datasheet: ML9040
- File Size: 445436 KB
- Manufacturer: OKI [OKI electronic componets]
- Click here to Download
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ML9090A-01 Relative Products
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The ML9090-01 and ML9090-02 are LCD drivers that contain internal RAM and a key scan function. They are best suited for car audio displays.Since 1-bit data of the display RAM corresponds to the light-on or light-off of 1-dot of the LCD panel (a bit map syste...
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The ML9090-01 and ML9090-02 are LCD drivers that contain internal RAM and a key scan function. They are best suited for car audio displays.Since 1-bit data of the display RAM of ML9090-01 corresponds to the light-on or light-off of 1-dot of the LCD panel (a ...
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