Overview
The MM5452VX/NOPB is a liquid crystal display (LCD) driver integrated circuit manufactured by Texas Instruments. This component is designed to drive LCD displays, particularly those with 4½-digit 7-segment configurations. Although the MM5452VX/NOPB is no longer in production, it remains relevant for existing designs and maintenance of older systems. The MM5452 series utilizes CMOS metal gate, low threshold enhancement mode devices, offering efficient and reliable operation. It is available in a 44-pin PLCC (J-Lead) package, which is RoHS compliant.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | MM5452VX/NOPB |
| Package Type | 44-Pin PLCC (J-Lead) |
| Power Supply Operation | 3.3V, 5V, 9V |
| Number of Outputs | 32 or 33 |
| Display Capability | 4½-digit 7-segment, Alphanumeric, Bar Graph |
| Interface | Serial Data Input, TTL Compatibility |
| RoHS Compliance | Yes |
Key Features
- Serial Data Input: Allows for serial data transmission to the display.
- No Load Signal Required: Simplifies the interface by not requiring a load signal.
- DATA ENABLE: Provides control over the display data.
- Wide Power Supply Operation: Supports 3.3V, 5V, and 9V power supplies.
- TTL Compatibility: Ensures compatibility with TTL logic systems.
- Alphanumeric and Bar Graph Capability: Can drive both alphanumeric and bar graph displays.
- Cascaded Operation Capability: Allows multiple chips to be cascaded to drive more segments.
Applications
- LCD Displays: Ideal for driving 4½-digit 7-segment LCD displays in various applications.
- Instrumentation: Used in digital meters, counters, and other measurement instruments.
- Consumer Electronics: Suitable for use in consumer electronics such as calculators, clocks, and other display-based devices.
- Industrial Control Systems: Can be used in industrial control panels and monitoring systems.
Q & A
- What is the MM5452VX/NOPB used for?
The MM5452VX/NOPB is used to drive liquid crystal display (LCD) segments, particularly in 4½-digit 7-segment displays.
- What package type does the MM5452VX/NOPB come in?
The MM5452VX/NOPB comes in a 44-pin PLCC (J-Lead) package.
- Is the MM5452VX/NOPB still in production?
No, the MM5452VX/NOPB is no longer in production and is considered obsolete.
- What power supply voltages does the MM5452VX/NOPB support?
The MM5452VX/NOPB supports 3.3V, 5V, and 9V power supplies.
- Does the MM5452VX/NOPB support TTL logic?
Yes, the MM5452VX/NOPB is TTL compatible.
- Can the MM5452VX/NOPB drive alphanumeric displays?
Yes, the MM5452VX/NOPB can drive both alphanumeric and bar graph displays.
- Is the MM5452VX/NOPB RoHS compliant?
Yes, the MM5452VX/NOPB is RoHS compliant.
- How many outputs does the MM5452VX/NOPB have?
The MM5452VX/NOPB has 32 or 33 outputs.
- Can multiple MM5452VX/NOPB chips be cascaded?
Yes, multiple MM5452VX/NOPB chips can be cascaded to drive more segments.
- What type of data input does the MM5452VX/NOPB support?
The MM5452VX/NOPB supports serial data input.
