LC74401E

The LC74401E is designed as one kind of memory controllers for TV set and VCR PIP systems. Since these LSIs include three D/A converter circuits, a component PIP system can be constructed by combining one of these LSIs with memory and an AD converter such as the LC7480.

It has many features. (1)Horizontal resolution 600 TV lines. (2)Three DA converters are incorporated in the PIP memory controller block. (3)High image quality is supported by vertical filter function frame memory processing. (4)I2C bus controlled. (5)Built-in PLL circuit (requires an external LPF). (6)Supports NTSC, PAL, and multiple (NTSC-PAL) formats. (7)Operating supply voltage 5V +/-10%. And so on.

Some absolute maximum ratings have been concluded into several points as follow. (1)Its maximum supply voltage would be from -0.3V to 7.0V. (2)Its input voltage would be from -0.3V to Vdd+0.3V. (3)Its output voltage would be from -0.3V to Vdd+0.3V. (4)Its allowable power dissipation would be 350mW. (5)Its operating temperature range would be from -10°C to 70°C. (6)Its storage temperature range would be from -55°C to 125°C. It should be noted that stresses above those listed in absolute maximum ratings may cause permanent damage to device.

Also some electrical characteristics are concluded as follow. (1)Its output high level voltage would be min Vdd-1V. (2)Its output low level voltage would be max 1.0V. (3)Its operating current drain would be typ 25mA for the DVss pin and would be typ 21mA for the AVss pin and would be typ 2mA for Vss-M pin and would be typ 2mA for the Vss-S pin. (4)Its input leakage current would be min -1uA and max +1uA. (5)Its output leakage current would be min -1uA and max +1uA. (6)Its DA converter output resistance would be typ 150ohms. (7)Its vertical synchronization signal pulse width would be min 1us. (8)Its rise time would be max 50ns. (9)Its fall time would be max 50ns. And so on. If you have any question or suggestion or want to know more information please contact us for details. Thank you!