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| NTE1849 Integrated Circuit Frequency Synthesizer for TV Tuning Systems Description: The NTE1849 is a CMOS frequency synthesizer for TV tuning systems consisting of a 13-bit programmable divider, 12-bit divider and phase comparator circuits. Absolute Maximum Ratings: (VSS = 0V, TA = +25C unless otherwise specified) Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +9V Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to VDD +0.3V Output Voltage, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to VDD +0.3V Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +100C Operating Conditions: (VSS = 0V, TA = 0 to +70C unless otherwise specified) Parameter Supply Voltage Symbol VDD Test Conditions Min 6.5 Typ 7.0 Max 7.5 Unit V Electrical Characteristics: (VDD = 7V, VSS = 0V, TA = 0 to +70C unless otherwise specified) Parameter Supply Current Total Power Dissipation Input Terminal (LFI) Maximum Input Signal Frequency Input Voltage Swing Input Current Input Terminal (PI0 to PI3, LDI) "H" Level Input Voltage "L" Level Input Voltage Input Current VIH VIL II(2) VI = VSS to VDD 3.4 VSS -10 - - - VDD 0.8 +10 V V A fi(max) Vi II(1) Input Sine Wave, Free Running LFI VI = VSS to VDD 15.6 0.7 -50 - - - - - +50 MHz Vp-p A Symbol IDD Ptot Test Conditions TA = +25C, VDD = 7V, +25 C, without load Min - - Typ - - Max 15 105 Unit mA mW Electrical Characteristics (Cont'd): (VDD = 7V, VSS = 0V, TA = 0 to +70C unless otherwise specified) Parameter Output Terminal (PDO) "H" Level Output Current "L" Level Output Current Output Leakage Current OutputTerminal (TMO) "H" Level Output Voltage "L" Level Output Voltage Output Terminal (CKO) "H" Level Output Voltage "L" Level Output Voltage Oscillator Terminal (QI, QO) Oscillation Frequency Capacitance Input Capacitance Output Capacitance CI CO VI = 2V VO = 2V - - 5 7 - - pF pF fOSC - 3.58 - MHz VOH(2) VOL(2) IOH = -0.4mA IOL = 0.16mA 6.0 - - - - 0.4 V V VOH(1) VOL(1) IOH = -0.05mA IOL = 0.1mA 6.0 - - - - 0.4 V V IOH(1) IOL(1) ILeak VO = 5V VO = 2V VO = 1/2 VDD -0.8 0.8 -0.03 - - - - - +0.03 mA mA A Symbol Test Conditions Min Typ Max Unit Pin Connection Diagram 16 9 VDD 1 16 VSS 15 LFI 14 PI3 13 PI2 12 PI1 11 PI0 10 SCO 9 RCO .245 (6.22) Min .100 (2.54) .700 (17.7) 1 8 .260 (6.6) Max QI 2 QO 3 CKO 4 LDI 5 TMO 6 N.C. 7 PDO 8 .785 (19.9) Max .200 (5.08) Max .300 (7.62) |
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