MC44BS374T1EF Freescale Semiconductor, MC44BS374T1EF Datasheet
MC44BS374T1EF
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MC44BS374T1EF Summary of contents
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... Freescale Semiconductor, Inc. Advance Information MC44BS374T1/374T1A Rev. 1.2 11/2003 PLL Tuned UHF and VHF Audio/Video High Integration Modulator Contents The MC44BS374T1 and MC44BS374T1A audio and video modulator are for use in VCRs, set-top boxes, and similar devices. These products are the next generation of the 1Features ...
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... Freescale Semiconductor, Inc. Features 1 Features The MC44BS374T1/374T1A is a PAL/NTSC Modulator with integrated VCO. The channel is set by an on-chip high-speed I tunes 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 ...
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... Freescale Semiconductor, Inc. • The device can be powered down without holding the I • Switch between the two integrated VCO’s controlled directly by the frequency divider (@ 700 MHz) • The external standby pin is no more required as the I not powered up. • The standby pin is replaced by the LOP Logic Ouput Port pin (pin 3) • ...
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... Freescale Semiconductor, Inc. Functional Overview 4 Functional Overview Figure 2 shows a simplified block diagram of the MC44BS374T1/374T1A device. The MC44BS374T1/374T1A device has three main sections high speed I C-compatible bus section 2. A PLL section to synthesize the UHF / VHF output channel frequency (from an integrated UHF oscillator, divided for VHF output) 3 ...
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... Freescale Semiconductor, Inc. 5 Maximum Ratings Sym Parameter Vcc Supply voltage Tamin Minimum operating ambient temperature Tamax Maximum operating ambient temperature Tstgmin Minimum storage temperature Tstgmax Maximum storage temperature Tj Junction Temperature Note: Maximum ratings are those values beyond which damage to the device may occur. For functional operation, values should be restricted to the Recommended Operating Condition ...
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... Freescale Semiconductor, Inc. Electrical Characteristics 8 Electrical Characteristics • 100% tested • 100% Correlation tested • Characterized on samples • Design parameter See Characterization conditions section for each C type parameter. 8.1 Operating Conditions Unless otherwise stated: V =5.0 V, Ambient Temperture= output into 75 Ohm load. ...
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... Freescale Semiconductor, Inc 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. I2C Programming Programming Sound SFD 1 SFD 0 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) Video PWC Peak White Clip 0 Peak White Clip ON (System ...
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... Freescale Semiconductor, Inc. WRITE MODE: Test Mode State 2.a Normal operation 2.b Test pattern generator DC verification (Test pattern DC test mode available) Program divider test (UHF program divider on PLLFILT pin and sound program 2.c divider on SPLLFIL pin 2.d Reference divider test (UHF reference divider on PLLFILT pin) UHF phase comparison, upper source on PLLFILT pin Sound phase comparison 10 µ ...
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... Freescale Semiconductor, Inc. MC44BS374T1A High Frequency Characteristics 11 MC44BS374T1A High Frequency Characteristics Unless otherwise stated: V =5.0 V, Ambient Temperture= inputs / outputs into 75 Ohm load. Specifications only valid for envelope demodulation. Table 3. High Frequency Characteristics Parameter Output signal from modulator section TVOUT output level See Figure 3 ...
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... Freescale Semiconductor, Inc. 2Fo Harm onics Maximum specification 471 521 571 621 671 Frequency (Mhz) TV Output Level 87 Maximum specification 85 Typical 83 81 Minimum specification 79 77 471 521 571 621 671 721 Frequency (Mhz) Figure 3. Typical High Frequency Performance 12 MC44BS374T1 High Frequency Characteristics Unless otherwise stated ...
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... Freescale Semiconductor, Inc. MC44BS374T1 High Frequency Characteristics Table 4. High Frequency Characteristics Parameter Sound subcarrier harmonics Reference picture carrier. See Note 2 ( ∗ Fs) Second harmonic of chroma Using red EBU bar. See Note 2 subcarrier Chroma / Sound intermodulation: Using red EBU bar.See Note Fsnd - Fchr ) ...
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... Freescale Semiconductor, Inc. 13 Video Characteristics Unless otherwise stated: V =5.0 V, Ambient Temperature= output into 75 Ohm load. Specifications only valid for envelope demodulation. Note: Table 5. Video Performance Characteristics Parameter Reference 100 kHz, Video bandwidth measured at 5 MHz. See Note 2 Video input level 75 Ohm load ...
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... Freescale Semiconductor, Inc. Audio Characteristics 471 Figure 5. Typical Video Performance 14 Audio Characteristics Unless otherwise stated: V =5.0 V, Ambient Temperture= inputs / outputs into 75 Ohm load. Specifications only valid for envelope demodulation. Note: Table 6. Audio Performance Characteristics Parameter PS bit set to 0 Picture-to-Sound ratio PS bit set to 1 ...
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... Freescale Semiconductor, Inc Figure 6. Typical Audio Performance 15 Characterization Measurement Conditions The following list shows the MC44BS374T1/374T1A default configuration unless otherwise specified. • Peak White Clip enabled • UHF oscillator ON • Sound and video modulators ON • Sound subcarrier frequency = 5.5 MHz • Sound Oscillator ON • ...
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... Freescale Semiconductor, Inc. Characterization Measurement Conditions Table 7. Measurement Conditions Device and Signals Set-up Video: 10 steps grey scale No audio ATT” bit = 1 No Video signal No Audio signal Video: 10 steps grey scale No Audio signal Second Harmonics of Chroma subcarrier No audio Video: a 700m Vpp 100 kHz sinusoidal signal is inserted on the black level of active video area ...
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... Freescale Semiconductor, Inc. Table 7. Measurement Conditions Device and Signals Set-up No audio signal Video: 700m Vpp 100 kHz sinusoidal signal inserted on the black level of active video area.This is generated using a Rohde & Schwarz Video Generator SAF and inserting the required frequency from a RF Signal generator. ...
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... Freescale Semiconductor, Inc. Characterization Measurement Conditions Table 7. Measurement Conditions Device and Signals Set-up No audio Video: 600mVpp sinusoidal signal inserted on the black level of active video area. Video: 100% White video signal - 1Vpk- pk. No Audio signal This is measured using a Rohde & Schwarz AMFS UHF Demodulator in B/G (using a CCIR Rec ...
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... Freescale Semiconductor, Inc. Table 7. Measurement Conditions Device and Signals Set-up Video: 5 step Grey Scale- 1Vpk-pk. No Audio signal This is measured using a Rohde & Schwarz AMFS UHF Demodulator in B/G (using a CCIR Rec. 567 weighting network, 100kHz to 5MHz band with sound trap and envelope detection, and a Rohde & ...
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... Freescale Semiconductor, Inc. Characterization Measurement Conditions Table 7. Measurement Conditions Device and Signals Set-up Video Black Level Audio signal: 1Khz, 205mVrms. This is measured using a Rohde & Schwarz AMFS Demodulator in B/G and a HP8903A Audio Analyzer at 1kHz Video Black Level Audio signal: 50Hz to 15KHz, 100mV rms This is measured using a Rohde & ...
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... Freescale Semiconductor, Inc. 16 Modes of Operation 16.1 Power ON Settings At power-ON, the MC44BS374T1/374T1A is configured 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 UHF oscillator on channel 71 ( 871.25 MHz ). Note: Peak White Clip is ON. ...
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... Freescale Semiconductor, Inc. Modes of Operation For test purposes possible to disable the 263ms delay using Test Mode 1-State 1.h (this is called speed up mode). 16.5 UHF Oscillator-VHF range The UHF oscillator is fully integrated and does not require any external components. For low frequency testing or VHF range operation ( test mode 1, states 1.b to 1.e ), the UHF oscillator can be internally divided by ...
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... Freescale Semiconductor, Inc. 16.8 Video Section - Peak White Clip The MC44BS374T1/374T1A requires the following for proper video functionality: • A composite video input with negative going sync pulses • A nominal level of 1 Vpp This signal is AC-coupled to the video input where the sync tip level is clamped. ...
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... Freescale Semiconductor, Inc. Modes of Operation 16.10 Sound Section The oscillator is fully integrated and does not require any external components. An internal low-pass filter and matched structure provide very low harmonics levels. The sound modulator system consists modulator incorporating the sound subcarrier oscillator. ...
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... Freescale Semiconductor, Inc High Speed I C Compatible Bus 17.1 Specification Conditions Unless otherwise specified, Vcc = 5 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 SDA/SCL input level ...
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... Freescale Semiconductor, Inc. High Speed I2C Compatible Bus 17.3 Level Definitions SDA/SCL high and low levels are designed to be compatible with 0-5V and 0-3.3V SDA / SCL signals. SDA 2 17.4 High Speed I C Compatible Bus Format SCL STA Chip Address ($CA) SDA 2 17.5 I ...
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... Freescale Semiconductor, Inc. Table 10. Permitted Data Bytes (Incoming Information Frequency information, high order bits C1 = Control information, high order bits STO = Stop condition After the chip address, two or four data bytes may be received. • If three data bytes are received, the third one is ignored. ...
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... Freescale Semiconductor, Inc. Pin Circuit Schematics 18 Pin Circuit Schematics VCCD VCC 50 25K SDA ACK VCC 5K XTAL 1.5K VCC PREM 11.8k VCC VCC 5K SPLLFLT VCC PLLFLT 2K Figure 13. Pin Circuit Schematics MC44BS374T1/374T1A Advance Information For More Information On This Product, VCC SCL 1/2 VCCD ...
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... Freescale Semiconductor, Inc. 19 Application Diagram 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 Pre-em 470pF 220nF 100nF 22nF O Audio Figure 14. Proposed Application Schematic Note value depends on crystal characteristics Motorola application board. ...
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... Freescale Semiconductor, Inc. Evaluation Board Layout and Schematic 20 Evaluation Board Layout and Schematic 20.1 Evaluation Board Layout Figure 15. Evaluation Board PCB Layout MC44BS374T1/374T1A Advance Information For More Information On This Product, Go to: www.freescale.com ...
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... Freescale Semiconductor, Inc. 20.2 Evaluation Board Schematic Figure 16. Evaluation Board Schematic MC44BS374T1/374T1A Advance Information For More Information On This Product, Evaluation Board Layout and Schematic Go to: www.freescale.com ...
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... Freescale Semiconductor, Inc. Packaging Instructions 21 Packaging Instructions Tape and reel packaging per 12MRH00360A issue Y with the following conditions applicable for Dual In- Line SOP (SOIC) package. Figure 17. Dual In-line SOP (SOIC) Component Orientation: Arrange parts with the pin 1 side closest to the tape's round sprocket holes on the tape's trailing edge ...
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... Freescale Semiconductor, Inc. 23 Case Outline Millimeters Dim Min Max Min A 1.35 1.75 0.054 A1 0.1 0.25 0.004 D 9.8 10 0.385 E 5.8 6.2 0.229 E1 3.8 4 0.150 b 0.35 0.49 0.014 c 0.19 0.25 0.008 e 1.27 BSC L 0.4 1.25 0.016 h 0.25 0.5 0.010 For More Information On This Product, Note: 1 ...
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