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NTE1409 & NTE1409N Integrated Circuit Electronic Channel Selector
Description: The NTE1409 is an electronic channel selector integrated circuit in a 24-Lead DIP type package capable of selecting up to 16 channels. The output terminals are design to permit direct driving of LEDs or neon tubes. It consists of a Clock Oscillator circuit, a Channel Up and Down circuit, a Channel skip circuit, a 4 bit Up and Down Counter circuit, a 1-16 Decoder circuit and a 16 channel Output Buffer circuit. Features: D LED Direct Drive D Low Power Consumption D Up to 16 Channel Selections D Internal Schmitt Trigger Circuit D Power ON Initial Channel Set D TV, Radio, etc. Channel Selection Use. D Can be Used with NTE1758 Direct Address Remote Control System Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Input Current to Channel Selection Circuit, IK1-11, IK20-24 . . . . . . . . . . . . . . . . . . . . . . -5mA to 50mA Input Current to Control Circuit, IC15-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -5mA to 10mA Input Current to Control Circuit, IC13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -5mA to 20mA Output Voltage to Channel Selection Circuit (VCC = 12V), VK1-11, VK20-24 . . . . . . . . . -0.5V to 50V Output Voltage to Control Circuit (VCC = 12V), V13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 14.4V Input Voltage to Control Circuit (VCC = 12V), V17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to VCC Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350mW Operating Temperature Range, Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +125C Recommended Operating Conditions: (TA = +25C unless otherwise specified)
Parameter Supply Voltage Channel Selection Input Current Clock Oscillation Frequency Symbol VCC IK fOSC Test Conditions Min 9.6 - - Typ 12.0 15 2 Max 14.4 - 10 Unit V mA kHz
Electrical Characteristics: (TA = +25C 3C unless otherwise specified)
Parameter Supply Current Channel Selection Saturation Channel Selection Leakage Current AFT Defeat Output Voltage AFT Defeat Leakage Current Channel Input High Threshold Voltage Channel Input Low Threshold Voltage Channel Input Leakage Current Key Input Current Key Input Leakage Current Skip Input Current Skip Input Leakage Current OSC Input Current OSC Input Leakage Current OSC Frequency Symbol IDD VOL(K) IOH(K) VOL(D) IOH(D) VTH(CH) VTL(CH) ICH(CH) IIH(KI) IIL(KI) IIH(SK) IIL(SK) IIH(OSC) IIL(OSC) fOSC VCC = 14.4V, VIL = 0V VCC = 9.6V VCC = 14.4V, VIL = 0V VCC = 9.6V VCC = 14.4V, VIL = 0V VCC = 9.6V, VIH = 4V VCC = 14.4V, VIL = 1V VCC = 12V, R = 68k, C = 0.022F Test Conditions VCC = 12V VCC = 9.6V, IOL = 15mA VCC = 14.4V, VOH = 35V VCC = 9.6V, IOL = 12mA VCC = 14.4V, VOH = 14.4V VCC = 12V, RJ = 15k Min 7 - - - - 3.5 1.5 -5 200 -10 50 -5 1.5 - 1.5 Typ 15 - - - - - - - - - - - - - - Max 22 150 10 6 10 7.0 2.5 - - - - - 3.0 10 2.5 Unit mA mV A V A V V A A A A A mA A kHz
Pin Connection Diagram
K11 1 K10 2 K9 3 K8 4 K7 5 K6 6 K5 7 K4 8 K3 9 K2 10 K1 11 GND 12
24 23 22 21 20 19 18 17 16 15 14 13
K12 K13 K14 K15 K16 SKP KIN OSC CHU CHD VCC DEF
NTE1409
24
13
1
12
1.300 (33.02) Max .225 (5.73) Max
.520 (13.2)
.100 (2.54) 1.100 (27.94)
.126 (3.22) Min
.600 (15.24)
NTE1409N
24
13
1
12
.862 (21.9) Max .165 (4.2)
.259 (6.57)
.070 (1.78) .770 (19.5)
.115 (2.9)
.326 (8.28)

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