TMS9918ANL datasheet by Texas Instruments

TMS9918ANL Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the TMS9918ANL?
  The recommended operating voltage range for the TMS9918ANL is 4.5V to 5.5V.
• How do I properly terminate the video output of the TMS9918ANL?
  The video output of the TMS9918ANL should be terminated with a 75Ω resistor to ensure proper signal integrity and to prevent signal reflections.
• What is the maximum clock frequency that the TMS9918ANL can operate at?
  The TMS9918ANL can operate at a maximum clock frequency of 10.738635 MHz.
• How do I configure the TMS9918ANL for PAL or NTSC mode?
  The TMS9918ANL can be configured for PAL or NTSC mode by setting the appropriate values on the MODE pins (pins 34-37). Consult the datasheet for specific configuration details.
• What is the purpose of the COLUB and COLLB pins on the TMS9918ANL?
  The COLUB and COLLB pins are used to select the color palette for the video output. COLUB selects the upper 4 bits of the color palette, while COLLB selects the lower 4 bits.