MC44BS374T1A Maximum Ratings
MC44BS374T1A Features
• Integrated on-chip programmable UHF oscillator
• No external varicaps diodes / inductor or tuned components
• Extremely low external components count
• Channel 21-69 UHF operation
• VHF range possible by internal dividers (30MHz-450MHz)
• Boosted TV output level (82 dBuV typical) for the MC44BS374T1A
• TV output level of 75 dBuV typical for the MC44BS374T1
• High speed read and write I2C-bus compatible (800kHz)
• I2C-bus 5V and 3.3V compatible
• Fixed video modulation depth (82% typical)
• Peak White Clip disabled by bus
• Programmable picture/sound carrier ratio (12 dB and 16 dB)
• Integrated on-chip programmable sound subcarrier oscillator (4.5, 5.5, 6.0 and 6.5 MHz) - No external varicaps
• On-chip video test pattern generator with sound test signal (1kHz)
• Low-power programmable modulator standby mode
• Transient output inhibit during PLL Lock-up at power-ON
• Logical Output Port controlled by bus
• Start-up on channel '71' (871.25 MHz)
• ESD protection, minimum 4 kV
MC44BS374T1A Connection Diagram
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