MC44BC374EJB Freescale Semiconductor, MC44BC374EJB Datasheet
MC44BC374EJB
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MC44BC374EJB Summary of contents
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... Freescale Semiconductor, Inc. Technical Data MC44BC373/374 Rev. 3.5, 7/2003 MC44BC373/374 Multi-Standard or PAL/ NTSC Modulator with integrated antenna booster/splitter ICs Contents These modulator ICs are for use in VCRs, games, set-top boxes, and similar devices. 1 Features . . . . . . . . . . . . . 2 Figure 1 shows the pin connections. 2 Device Overview . . . . . . 3 3 Maximum Ratings ...
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... Freescale Semiconductor, Inc. Features 1 Features MC44BC373: Multi-Standard PAL/SECAM/NTSC with integrated booster splitter MC44BC374: PAL/NTSC with integrated booster splitter The channel is set by an on-chip high-speed I the modulator over the full UHF range. The modulator incorporates a sound subcarrier oscillator and uses a second PLL to derive 4.5, 5.5, 6.0, and 6.5MHz subcarrier frequencies. These frequencies are selected using the bus ...
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... Freescale Semiconductor, Inc. 2 Device Overview Figure 2 shows a simplified block diagram of the MC44BC373/4 device. The MC44BC373/374 device contains four main sections high-speed I C-compatible bus section PLL section — Synthesizes the UHF/VHF output channel frequency (from an integrated UHF oscillator, divided for VHF output). ...
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... Freescale Semiconductor, Inc. Device Overview L/BG Figure 2. Simplified Block Diagram—MC44BC373/374 For More Information On This Product BUS BUS MC44BC373/374 Technical Data Go to: www.freescale.com BUS ...
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... Freescale Semiconductor, Inc. 3 Maximum Ratings Sym Parameter Vcc1 Supply Voltage Tamin Minimum Operating Ambient Temperature Tamax Maximum Operating Ambient Temperature Tstgmin Minimum Storage Temperature Tstgmax Maximum Storage Temperature Maximum ratings are those values beyond which damage to the device may occur. For functional operation, voltage should be restricted to the Recommended Operating Condition ...
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... Freescale Semiconductor, Inc Bit Mapping Bit Mapping WRITE MODE Bit 7 CA-CHIP ADDRESS C1-High Order Bits C0-Low Order Bits PWC FM-High Order Bits FL-Low Order Bits READ MODE Bit 7 CHIP ADDRESS R-Status Byte Bit Name PWC Peak White Clip enable/disable. OSC UHF oscillator ON/OFF. ...
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... Freescale Semiconductor, Inc Programming Sound SFD1 SFD0 Sound Subcarrier Freq (MHz 6.5 PS Picture-to-Sound Ratio (dB Sound Oscillator 0 Sound oscillator ON (normal mode). Sound oscillation disabled (oscillator and PLL 1 section bias turned OFF). AUX Auxiliary Audio Input 0 AUX input disabled (normal mode). 1 AUX input enabled. ...
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... Freescale Semiconductor, Inc Programming WRITE MODE: Test Mode State 2.a Normal operation 2.b Test pattern generator DC verification (Test pattern DC test mode available). Programmable divider test (UHF programmable divider on PLLFILT pin and 2.c sound programmable divider on SPLLFIL pin 2.d Reference divider test (UHF reference divider on PLLFILT pin). ...
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... Freescale Semiconductor, Inc. 8 Modulator High Frequency Characteristics Unless otherwise stated: V =5.0 V, Ambient Temperature = inputs/outputs into 75Ohm load. SPECIFICATIONS VALID ONLY FOR ENVELOPE DEMODULATION. Parameter TVOUT output level UHF oscillator frequency VHF range TVOUT output attenuation Sound subcarrier harmonics (Fp+n∗Fs) Reference picture carrier. ...
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... Freescale Semiconductor, Inc. Video Characteristics 9 Video Characteristics Unless otherwise stated 5.0 V, Ambient Temperature = 25 cc grayscale. RF inputs/outputs into 75Ohm load. SPECIFICATIONS VALID ONLY FOR ENVELOPE DEMODULATION. Parameter Reference 0dB at 100kHz, Video bandwidth measured at 5MHz. Video input level 75Ohm load. Video input current — ...
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... Freescale Semiconductor, Inc. 10 Audio Characteristics Unless otherwise stated 5.0 V, Ambient Temperature = 25 cc grayscale. RF inputs/outputs into 75Ohm load. SPECIFICATIONS VALID ONLY FOR ENVELOPE DEMODULATION. Parameter PS bit set to 0. Picture-to-Sound ratio PS bit set to 1. Using specific pre-emphasis circuit, audio input level=205mVrms–audio frequency=1kHz AM modulation: SECAM Fs=6 ...
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... Freescale Semiconductor, Inc. Antenna Booster/Splitter Characteristics 11 Antenna Booster /Splitter Characteristics Unless otherwise stated 5.0 V, Ambient Temperature = 25 cc All specifications use a BALUN at ANT1 & 2 inputs, assuming 0.8dB losses MAX from 40MHz to 860MHz. Parameter Frequency range — ANT1 VCRTU. Gain ANT1 TVOUT. Gain flatness 40 to 860MHz ...
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... Freescale Semiconductor, Inc. 11.2 Typical Performance—Noise Figure Noise Figure @ Modulator OFF 11 Maximum specification 150 300 450 Fr e que ncy ( Figure 7. Typical Performance—Noise Figure 11.3 Intermodulation ( IMD ) Measurement F1 50/75 F2 90dBuV F1 F2 Figure 8. Intermodulation (IMD) Measurement Intermodulation (IMD) frequencies are all frequency combinations coming from the two input carriers F1 and F2: F2– ...
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... Freescale Semiconductor, Inc. Modulator Operation 12 Modulator Operation 12.1 Power-ON Settings At power-ON, the MC44BC373 and MC44BC374 configuration is as follows: WRITE MODE Bit 7 C1—High Order Bits C0—Low Order Bits FM—High Order Bits FL—Low Order Bits Note N11 are set to have the UHF oscillator on channel 36 (591.25MHz). ...
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... Freescale Semiconductor, Inc. 12.4 Test Bit TB1 This test bit allows an initial evaluation of MC44BC373 and MC44BC374 using software developed for MC443535: • TB1= 0 — All MC44BC373/374 functions available—normal mode. • TB1= 1 — Limited software compatibility with MC44353; MC44BC373/374 functions not available ...
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... Freescale Semiconductor, Inc. Modulator Operation There is a time-out of 263ms until the output is enabled. This allows the UHF PLL settle to its programmed frequency. During the 263ms time-out, the sound PLL current source is set to 10µA typical, to speed up the locking time. After the 263ms time-out, the current source is switched to 1µA. ...
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... Freescale Semiconductor, Inc. The auxiliary audio input adds a sound subcarrier to the main carrier. The input can be a modulated NICAM carrier or a second sound subcarrier for a stereo system. Pin 12 is directly connected to the sound modulator input and the picture-to-sound ratio (P/S Ratio) depends on the auxiliary audio input level. (P/S ratio is 20dB for 35mVrms typical ...
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... Freescale Semiconductor, Inc. 2 High-Speed I C Compatible Bus 2 13 High-Speed I C Compatible Bus 13.1 Specification Conditions Unless otherwise specified, the Vcc1=5.0V and the ambient temperature (TA) =25 Electrical Characteristics SDA/SCL output current SDA/SCL low input level SDA/SCL high input level SDA/SCL input current for input level from 0.4V to 0.3Vcc ...
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... Freescale Semiconductor, Inc. 13.3 Levels Definition SDA 2 13.4 High-Speed I C Compatible Bus Format SCL STA Chip Address ($CA) SDA Figure 13. SCL and SDA Bus Timing 2 13 Write Mode Format and Bus Receiver 2 The bus receiver operates the I C compatible data format. The chip address (I ...
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... Freescale Semiconductor, Inc. 2 High-Speed I C Compatible Bus The first and third data bytes contain a function bit which lets the IC distinguish between frequency information and control information. If the function bit is a logic 1, the two following bytes contain control information. The first data byte after the chip address may be byte CO or byte FM. The two bytes of frequency information are preceded by a logic 0 ...
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... Freescale Semiconductor, Inc. 14 Application and Case Diagrams Proposed BiCMOS Modulator and Booster/Splitter Application This document contains information on a new product under development. Motorola reserves the right to change or discontinue this product without notice. SDA O LOP Cx 4MHz Note 1 1nF ANTIN O 1nF 470pF Pre-em ...
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... Freescale Semiconductor, Inc. Application and Case Diagrams Millimeters Dim Min Max Min A 7.70 7.90 0.303 B 4.30 4.48 0.169 C — 0.95 — D 0.05 0.15 0.002 F 0.51 0.71 0.020 G 0.65 BSC H 0.27 0.37 0.011 J 0.09 0.18 0.003 J1 0.09 0.13 0.003 K 0.19 0.30 0.007 K1 0 ...
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... Freescale Semiconductor, Inc. NOTES MC44BC373/374 Technical Data For More Information On This Product, Go to: www.freescale.com ...
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... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer ...