NTE1402 Integtrated Circuit Electronic Channel Selector Description The NTE1402 is an integrated circuit in a 24–Lead DIP type package designed for electronic tuner by the preset volume method. Features D Simplifies Selection Circuit up to 16 Channels D Incorporating Clock Oscillator, Input Control, UP–DOWN Counter and Decoder Circuit D Remote Control Electronic Channel Selection Available (UP–DOWN Bidirectional) D Clock Oscillation Frequency Variable by External Components : 0.7 to 2.5KHZ D AFC Defeat Pulse Output Terminal D Initial Channel at the Time of Power ON can be Set at Any Channel by the Adjustment of External Components D Jump Over Channel Selection Available D Selection Output Terminal Voltage: 40V Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.2V Circuit Voltage VK–12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 to 50V V13–12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 to 14.4V V14–12, V17–12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 to 8V Circuit Current IK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5 to 30mA I13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5 to 25mA I14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5 to 100mA I15, I16, I17, I18, I19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5 to 10mA Power Dissipation (TA = +75°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Condition Min Typ Max Unit Output Saturation Voltage (Tuning) VOL(K) VCC = 4.8V, IOL = 5mA – – 0.15 V Output Leak Current (Tuning) IOH(K) VCC = 7.2V, VOH = 35V – – 5 µA Output On Voltage (DEF) VOL(D) VCC = 4.8V, IOL = 12mA – – 6 V Output Leak Current (DEF) IOH(D) VCC = 7.2V, VOH = 14.4V – – 5 µA Input Current Low Level (CHD, CHU) IIL(CH) VCC = 7.2V, VIL = 0V –5 – – µA Input Current High Level (CHD, CHU) IIH(CH) VCC = 4.8V, Note 2 50 – – µA Input Current Low Level (KIN) IIL(KI) VCC = 7.2V, VIL = 0V –10 – – µA Input Current High Level (KIN) IIH(KI) VCC = 4.8V, Note 3 200 – – µA Input Current Low Level (SKP) IIL(SK) VCC = 7.2V, VIL = 0V –5 – – µA Input Current High Level (SKP) IIH(SK) VCC = 4.8V, Note 4 50 – – µA Input Current Low Level (OSC) IIL(OS) VCC = 7.2V, VIL = 1.0V – – 5 µA Input Current High Level (OSC) IIH(OS) VCC = 4.8V, VIH = 4V 1.5 – 3.0 mA fOSC VCC = 6V 1.5 2.0 2.5 kHZ Itot VCC = 6V 52 66 80 mA Oscillation Frequency (Clock) Total Circuit Current Note Note Note Note 1. 2. 3. 4. Operating supply voltage range is VCC (opr) = 4.8V to 7.2V. DEF Pin13 shall be “L” level (3.0V or more) DEF Pin13 shall be “L” level (1.0V or less) DEF Pin13 shall be “H” level (3.0V or more) Pin Connection Diagram Channel Selection Output (11) 1 Channel Selection Output (10) 2 Channel Selection Output (9) 3 24 Channel Selection Output (12) 23 Channel Selection Output (13) 22 Channel Selection Output (14) Channel Selection Output (8) 4 Channel Selection Output (7) 5 21 Channel Selection Output (15) 20 Channel Selection Output (16) Channel Selection Output (6) 6 Channel Selection Output (5) 7 19 Skip Input 18 Key Input Channel Selection Output (4) 8 Channel Selection Output (3) 9 Channel Selection Output (2) 10 17 OSC Filter 16 Channel Up Input 15 Channel Down Input Channel Selection Output (1) 11 GND 12 14 VCC 13 AFT Defeat Input 24 13 1 12 1.300 (33.02) Max .520 (13.2) .225 (5.73) Max .100 (2.54) 1.100 (27.94) .126 (3.22) Min .600 (15.24)