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Advanced PAL Comb Filter-II (APCF-II) MC141627

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Advanced PAL Comb Filter-II (APCF-II) MC141627 MOTOROLA Order this document SEMICONDUCTOR TECHNICAL DATA by MC141627/D MC141627 Product Preview Advanced PAL Comb Filter-II FT SUFFIX (APCF-II) QFP PACKAGE CASE 898 The Advanced PAL Comb Filter–II is a video signal processor for VCRs, 48 1 LDPs, and TVs. It separates the Luminance Y and Chrominance C signal from the NTSC/PAL composite signal by using digital signal processing techniques ORDERING INFORMATION which minimize dot–crawl and cross–color. The built–in 4xFSC PLL circuit MC141627FT Quad Flat Package (QFP) allows a subcarrier signal input, which generates 4xFSC clock for video signal processing. This filter allows a video signal input of an extended frequency bandwidth by using a 4xFSC clock. The built–in vertical enhancer circuit reduces noise and dot crawl on the Luminance Y signal. The built–in A/D and D/A converters allow easy connection to analog video circuits. • Built–In High Speed 8–Bit A/D Converter • Four Line Memories (4540 Bytes) • Advanced Comb–II Process • Built–In Vertical Enhancer • Vertical Dot Reduction Process • Two Built–In High Speed 8–Bit D/A Converters • Built–In 4xFSC PLL Circuit • Built–In Clamp Circuit • Digital Interface Mode • On–Chip Reference Voltage for A/D Converter PIN ASSIGNMENT D5 D6 D7 C0 C1 D4 C3 C2 C4 C5 C6 C7 36 25 D3 37 24 TE1 D2 TE0 D1 MODE1 D0 MODE0 BYPASS CLK(AD) VH GND(D) GND(D) NC VCC(D) CLC FSC CLout N/M Vin PAL/NTSC RBT RTP Comb/BPF 48 13 1 12 out out CC bias Y C PCO BIAS I FILIN OV CC(DA) CC(AD) V REF(DA) V GND(AD) GND(DA) NC = NO CONNECTION This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice. REV 0.1 8/96 MOTOROLA Motorola, Inc. 1996 MC141627 1 BLOCK DIAGRAM NOISE LEVEL 2 (D5) LEVEL NOISE 3 (D6) LEVEL NOISE 4 (D7) LEVEL NOISE 1 (C0) LEVEL WHITE 2 (C1) LEVEL WHITE 3 (C2) LEVEL WHITE 4 (C3) LEVEL WHITE 1 (C4) LEVEL BLACK 2 (C5) LEVEL BLACK 3 (C6) LEVEL BLACK 4 (C7) LEVEL BLACK NOISE LEVEL 1 (D4) LEVEL NOISE 36 35 34 33 32 31 30 29 28 27 26 25 NC (D3) 37 24 TE1 PORT PORT NC (D2) 38 23 TE0 NC (D1) 39 MODE 22 MODE1 1H/2H 1H/2H NC (D0) 40 21 MODE0 BYPASS 41 ACF–II CLKBUF 20 CLK(AD) PROCESSING CONTROL ADAPTIVE LOGIC VH 42 VERTICAL VERTICAL DOT 19 GND(D) ENHANCER PROCESSING GND(D) 43 18 NC MEMORY MODE CONTROL VCC(D) 44 17 CLC LOGIC FSC 45 CLAMP 16 CLout N/M 46 15 V CLKBUF in PAL/NTSC 47 ADC 14 RBT CLOCK GEN DAC DAC Ibias COMB/BPF 48 13 RTP 1 2 3 4 5 6 7 8 9 10 11 12 out CC out bias Y Y PCO I BIAS C FILIN OV CC(AD) CC(DA) REF(DA) V V GND(DA) GND(AD) *( ): Digital input mode MC141627 MOTOROLA 2 ABSOLUTE MAXIMUM RATINGS* Characteristic Symbol Value Unit This device contains protection circuitry to guard against damage due to high static DC Supply Voltage (Referenced to GND) VCC – 0.5 to + 7.0 V voltages or electric fields. However, precau- tions must be taken to avoid applications of any DC Input Voltage (Referenced to GND) Vin – 1.5 to VCC + 1.5 V voltage higher than maximum rated voltages to DC Output Voltage (Referenced to GND) Vout – 0.5 to VCC + 0.5 V this high–impedance circuit. For proper opera- tion, Vin and Vout should be constrained to the DC Input Current (per Pin) Iin ± 20 mA range GND ≤ (Vin or Vout) ≤ VCC. DC Output Current (per Pin) Iout ± 25 mA Unused inputs must always be tied to an appropriate logic voltage level (e.g., either Power Dissipation PD 750 mW GND or VCC). Unused outputs must be left Storage Temperature Tstg – 65 to + 150 °C open. * Maximum Ratings are those values beyond which damage to the device may occur. Func- tional operation should be restricted to the limits in the Electrical Characteristics tables or Pin Descriptions section. GENERAL ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, TA = 25°C ± 3°C, Unless Otherwise Noted) Characteristic Symbol Min Typ Max Unit Notes Supply Voltage VCC* 4.75 5.0 5.25 V Operating Supply Current (at Normal Mode) ICC — 65 100 mA Operating Power Dissipation (at Normal Mode) PD — 325 525 mW Ambient Operating Temperature TA – 20 — 75 °C *VCC(AD), VCC(DA), VCC(D) voltage. CLOCK INPUT ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, TA = 25°C ± 3°C, Unless Otherwise Noted) Characteristic Symbol Min Typ Max Unit Notes Subcarrier Input Frequency fc — 4.43618 — MHz 1 Clock Frequency CLK — 17.734475 — MHz 2 FSC Clock Input Level Vfc 1 — — V p–p 3 High Level Input Voltage CLK(AD) VICH 3.5 — — V 4 Low Level Input Voltage CLK(AD) VICL — — 1.1 V 4 Clock Duty Cycle CLK/CLK(AD) Dty 45 50 55 % 4 NOTES: 1. Color subcarrier input [FSC = (455/2) fh] locked on the burst signal of the input video signal. AC coupling input by external capacitor. 2. The internal circuit operates by 4 times clock using FSC pin input at normal (FSC) mode. The internal circuit operates by FSC pin input clock at expected normal (FSC) mode. 3. Sine wave input. 4. CLK(AD) is available only during digital input comb filter mode. MOTOROLA MC141627 3 ADC ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, TA = 25°C ± 3°C) Characteristic Symbol Min Typ Max Unit Resolution — — — 8 Bits Integral Nonlinearity INL — ± 1.0 ± 1.5 LSB Differential Nonlinearity DNL — ± 0.5 ± 1.0 LSB Top Reference Level VTPS 2.4 2.5 2.6 V Bottom Reference Level VBTS 0.4 0.5 0.6 V Maximum Analog Input Range During Self Reference Vins 1.9 2.0 2.1 V p–p DIGITAL ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, TA = 25°C ± 3°C) Characteristic Symbol Min Typ Max Unit High Level Input Voltage MODE0, MODE1, TE0, TE1, BK, VIH 3.15 — — V VH, C0 – C7, D0 – D7 Low Level Input Voltage MODE0, MODE1, TE0, TE1, BK, VH, VIL — — 1.1 V C0 – C7, D0 – D7 Input Leakage Current MODE0, MODE1, TE0, TE1, BK, VH, Iinl — — ± 10 µA [Vin = VCC(D) or GND(D)] C0 – C7, D0 – D7 Data Setup Time (at Digital Input Comb Filter Mode) D0 – D7 tds 0 — — ns Data Hold Time (at Digital Input Comb Filter Mode) D0 – D7 tdh 20 — — ns Data Input Rise Time (at Digital Input Comb Filter Mode) D0 – D7 tr — — 10 ns Data Input Fall Time (at Digital Input Comb Filter Mode) D0 – D7 tf — — 10 ns FILTERING CHARACTERISTICS (VCC = 5.0 V, TA = 25°C ± 3°C) Characteristic Symbol Min Typ Max Unit Y/C Separation — 40 — — dB Band–Pass Filter Bandwidth (at – 3 dB) [( ): NTSC] — — ± 0.90 — MHz (± 0.75) DAC ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, TA = 25°C ± 3°C) Characteristic Symbol Min Typ Max Unit Resolution — — — 8 Bits Integral Nonlinearity INL — — ± 1 LSB Differential Nonlinearity DNL — — ± 0.5 LSB Analog Output Voltage, Yout VYO 1.1 1.2 1.3 V p–p Analog Output Voltage, Cout VCO 1.1 1.2 1.3 V p–p Full Scale Voltage, Yout VYFS 1.3 1.5 1.7 V Full Scale Voltage, Cout VCFS 1.3 1.5 1.7 V Zero Scale Voltage, Yout VYZS 0.1 0.3 0.5 V Zero Scale Voltage, Cout VCZS 0.1 0.3 0.5 V Output Impedance ZO — 100 300 Ω MC141627 MOTOROLA 4 ADC – DAC GENERAL CHARACTERISTICS (VCC = 5.0 V, TA = 25°C ± 3°C) Characteristic Symbol Min Typ Max Unit Voltage Gain — – 4.4 — dB Output Bandwidth (at – 3 dB at PAL) 6.4 7.3 — MHz Differential Gain DG — — 5 % Differential Phase DP — — 5 Deg Bias Current (at Ibias = 10 kΩ) Ibias — 135 — µA CLAMP CIRCUIT CHARACTERISTICS (VCC = 5.0 V, TA = 25°C ± 3°C) Characteristic Symbol Min Typ Max Unit Clamp Mode Output Voltage* Vclys — 0.6 — V * Output of CLout when connecting Vin – CLout. BK/VH CHARACTERISTICS (VCC = 5.0 V, TA = 25°C ± 3°C) Characteristic Symbol Min Typ Max Unit Bypass Switching Time, at Normal Mode — 9 — Clock VH Switching Time, at Normal Mode — 4 — Clock Comb/BPF Switching Time, at Normal Mode — 16 — Clock VERTICAL ENHANCER LEVEL CHARACTERISTICS (VCC = 5.0 V, TA = 25°C ± 3°C) Characteristic Symbol Min Typ Max Unit Noise Slice Level, at Normal Mode 0 6 15 Bits White Enhance Level, at Normal Mode 0 10 15 Bits Black Enhance Level, at Normal Mode 0 11 15 Bits GENERAL SIGNAL DELAY (VCC = 5.0 V, TA = 25°C ± 3°C) Characteristic Symbol Min Typ Max Unit PAL B/G/H/I Mode (2299.5 Clock) — 129.66 — µs NTSC Mode (939.5 Clock) — 65.62 — µs PAL N Mode (1867.5 Clock) — 130.34 — µs PAL M Mode (1851.5 Clock) — 129.45 — µs CLOCK INPUT DATA (D0 – D7) tds tdh tr tf Figure 1. Digital Signal Input Timing Diagram (During Digital Input Comb Filter Mode) Clamp Circuit Characteristics (VCC = 5.0 V, TA = 25°C ± 3°C) Clamp Mode Output Voltage, Vcly (Non–input when connecting Vin – CLout) Vcly = (VTP – VBT) (N + 1) / 256 + VBT ± 50 mV where N = Clamp Code Input (N < 255) • If the calculated value of the output voltage, Vcly > Vclys, then Vcly = Vclys • Clamp Value N is fixed, N = 4.
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