4-Bit Single-Chip Microcomputer(For Data Bank Use)

DESCRIPTION The SM3508 is a CMOS 4-bit single-chip microcomputer for databank incorporating data memory RAM, LCD driver (the output is adjustable in 16 steps for various contrast), key/switch input circuit, 8-bit parallel I/O port, 2 output ports and buzzer output circuit. The chip also has mem

REV FAIRVIEW MICROWAVE INC. ALLEN, TX 75013 WWW.FAIRVIEWMICROWAVE.COM SHEET

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4-Bit Single Chip Microcomputers (For Data Bank Use)

HIGH CURRENT SILICON BRIDGE RECTIFIERS(VOLTAGE - 50 to 800 Volts CURRENT - 10 to 35 Amperes)

VOLTAGE - 50 to 800 Volts CURRENT - 10 to 35 Amperes FEATURES ● Electrically Isolated Metal Case for Maximum Heat Dissipation ● Surge Overload Ratings to 400 Amperes ● These bridges are on the U/L Recognized Products List for currents of 10, 25 and 35 amperes MECHANICAL DATA

HIGH CURRENT SILICON BRIDGE RECTIFIER(VOLTAGE - 50 to 800 Volts CURRENT - 35 Amperes)

VOLTAGE 50 to 1000 Volts CURRENT 35 Amperes FEATURES • Plastic material has Underwriters Laboratory Flammability Classification 94V-O • The plastic package has Underwriters Laboratory Flammability Classification 94V-O. • Pb free product are available : 99 Sn above can meet Rohs env

HIGH CURRENT SILICON BRIDGE RECTIFIER(VOLTAGE - 50 to 1000 Volts CURRENT - 35 Amperes)

VOLTAGE - 50 to 1000 Volts CURRENT - 35 Amperes FEATURES • Plastic material has Underwriters Laboratory Flammability Classification 94V-O • The plastic package has Underwriters Laboratory Flammability Classification 94V-O. • Surge overload ratings to 400 Amperes .

IN-LINE HIGH CURRENT SILICON BRIDGE RECTIFIERS(VOLTAGE - 50 to 800 Volts CURRENT - 15 to 35 Amperes)

VOLTAGE - 50 to 800 Volts CURRENT - 15 to 35 Amperes FEATURES ● Plastic Case With Heatsink For Heat Dissipation ● Surge Overload Ratings to 400 Amperes ● The plastic package has Underwriters Laboratory Flammability Classification 94V-O

Video control combination circuit with automatic cut-off control

GENERAL DESCRIPTION The TDA3508 is an integrated circuit which performs video control functions in a PAL/SECAM decoder for negative colour difference signals −(R−Y) and −(B−Y). The required input signals are luminance and colour difference and a 3-level sandcastle pulse for control purposes. Line