MC44BS374T1AEF Freescale, MC44BS374T1AEF Datasheet

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MC44BS374T1AEF

Manufacturer Part Number
MC44BS374T1AEF
Description
Manufacturer
Freescale
Datasheet

Specifications of MC44BS374T1AEF

Lead Free Status / RoHS Status
Compliant
Advance Information
MC44BS374T1/374T1A
Rev. 1.2 11/2003
PLL Tuned UHF and
VHF Audio/Video High
Integration Modulator
Contents
1Features . . . . . . . . . . . . . . 2
Comparing the
Pin Descriptions . . . . . . . . 3
Functional Overview . . . . . 4
Maximum Ratings . . . . . . . 5
Thermal Ratings . . . . . . . . . 5
Electrostatic Discharge . . . 5
Electrical Characteristics . 6
I2C Bit Mapping . . . . . . . . . 7
I2C Programming . . . . . . . . 8
Modulator High Frequency
Video Characteristics . . . 11
Audio Characteristics . . . 13
Characterization
Modes of Operation . . . . . 20
High Speed I2C Compatible
Pin Circuit Schematics . . 27
Application Diagrams . . . 28
Evaluation Board Schematic
Packaging Instructions . . 31
Marking Instructions31
This document contains information on a product under development. Freescale reserves the right to change or
discontinue this product without notice. © Motorola, Inc., 2003. All rights reserved.
MC44BS374T1/374T1A to
the MC44BC374T1 . . . . . 2
Characteristics . . . . . . 10
Measurement Conditions
14
Bus . . . . . . . . . . . . . . . . 24
and Layout . . . . . . . . . . 29
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
MC44BC374T1 with the following new features:
Figure 1 shows the pin connections.
• TV output level 82dBuV typical for the MC44BS374T1A, 75 dBuV for the
• 5V and 3.3V compatible I
• Logic Output Port pin (pin 3) available
MC44BS374T1
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 1. MC44BS374T1 and MC44BS374T1A Pin Connections
Go to: www.freescale.com
SPLFLT
PREEM
AUDIO
XTAL
GND
SDA
LOP
SCL
2
C bus
SO16 pin package
1
2
3
4
5
6
7
8
MC44BS374T1AD,R2
MC44BS374T1D,R2
MC44BS374T1A
MC44BS374T1
16
15
14
13
12
11
10
9
Device
NOTE: For tape and reel, add R2 suffix.
SO16NB Package
GNDD
VCCD
PLLFLT
TVOVCC
TVOUT
GND
VCCA
VIDEO
Ordering Information
Temp Range
0°C to +70°C
0°C to +70°C
Package
SO16NB
SO16NB

Related parts for MC44BS374T1AEF

MC44BS374T1AEF Summary of contents

Page 1

... Evaluation Board Schematic and Layout . . . . . . . . . . 29 Packaging Instructions . . 31 Marking Instructions31 This document contains information on a product under development. Freescale reserves the right to change or discontinue this product without notice. © Motorola, Inc., 2003. All rights reserved. For More Information On This Product, MC44BS374T1 MC44BS374T1A ...

Page 2

... Higher Video signal to noise (+ 3 dB) for the MC44BS374T1A 2 • I C-bus 3.3V compatible • Lower power consumption in normal and standby modes (-2 mA) MC44BS374T1/374T1A Advance Information For More Information On This Product compatible bus receiver. A Phase-Locked Loop ( PLL ) 2 C-bus compatible (800kHz) Go to: www.freescale.com ...

Page 3

... Logical output port controlled by I2C bus Crystal Ground Pre-emphasis capacitor Audio input Sound PLL loop filter Video input Main analog supply voltage Analog ground TV output signal TV output stage supply voltage RF PLL loop filter Digital supply voltage Digital ground Go to: www.freescale.com Pin Descriptions ...

Page 4

... Prog LPF Divider LPF FM RF Sound Modulator VCO and PLL SECTION VHF Dividers PLL UHF OSC Prescaler/8 Prog Phase Divider Comp BUS 31.25KHz 14 PLLFLT Go to: www.freescale.com SPLLFLT 8 MODULATOR SECTION 7 AUDIO Sound Oscillator Audio 6 PREEM and FM Amplifier 10 VCCA ALC 11 GND 5 GND 4MHz ...

Page 5

... C voltages to this high impedance circuit. For proper o operation, input and output voltages should be -65 C constrained to the ranges indicated in the o 150 C Recommended Operating Conditions. o 150 C Parameter Parameter Go to: www.freescale.com Maximum Ratings Value Unit 102 °C/W Min Unit 400 V 4000 V ...

Page 6

... C, Video Input 1V NOTE: Table 2. Operating Conditions Min Typ Max Unit 4.5 5.0 5 µS 3 4.7 6.5 µ µA 0.7 1 1.5 µA 60 100 150 K Ω 160 300 mV µ to: www.freescale.com , 10-step grayscale. p-p Notes Type B All sections active A OSC=0, SO=1, ATT = 1 A Bus Section active ...

Page 7

... For More Information On This Product, Bit 6 Bit 5 Bit 4 Bit LOP PS OSC ATT SFD1 SFD0 0 TPEN N11 N10 Bit 6 Bit 5 Bit 4 Bit Description Go to: www.freescale.com I2C Bit Mapping Bit 2 Bit 1 Bit 0 ACK ACK ACK ACK ACK ACK Bit 2 Bit 1 Bit 0 ACK ACK Y2 Y1 OOR - ...

Page 8

... Modulator Output Attenuation 0 Normal operation Modulator output attenuation (sound and 1 video modulators sections bias turned OFF. Standby Mode OSC SO ATT Logic Output Port LOP 0 Pin 3 is low voltage 1 Pin 3 is high impedance Description Go to: www.freescale.com UHF Oscillator Combination of 3-bits Modulator standby mode Description ...

Page 9

... VCO out of range, frequency too low, only valid if OOR=1 1 VCO out of range, frequency too high, only valid if OOR High VCO is active 1 Low VCO is active MC44BS374T1/374T1A Advance Information For More Information On This Product, Description NOTE: Description Description Description Go to: www.freescale.com I2C Programming ...

Page 10

... Note: 1: Picture carrier harmonics are highly dependant on PCB layout and decoupling capacitors. Note: 2: See “Characterization Measurement Conditions” on page 15. MC44BS374T1/374T1A Advance Information For More Information On This Product Video Input 1V NOTE: Test Conditions Min 79 460 to: www.freescale.com , 10-step grayscale. p-p Typ Max Unit Type 82 85 dBµ 880 MHz A - 460 MHz B 75 ...

Page 11

... TV Output Attenuation 471 521 771 821 871 o C, Video Input 1V NOTE: Test Conditions Go to: www.freescale.com 3Fo Harm onics Maximum specification 571 621 671 721 771 821 871 Frequency (Mhz) Typical Minimum specification 571 621 671 721 771 821 871 Frequency (Mhz) , 10-step grayscale ...

Page 12

... Figure 4. Typical High Frequency Performance MC44BS374T1/374T1A Advance Information For More Information On This Product, Test Conditions Typical 45 Typical 40 35 471 521 721 771 821 871 TV Output Attenuation 471 521 771 821 871 Go to: www.freescale.com Min Typ Max Unit Type dBc dBc dBc dBµ dBµV C ...

Page 13

... CVBS 6.8 / 3.2 76 Video Signal to Noise (w ith CCIR Weighting filter Typical Minimum specification 50 48 471 521 571 621 671 721 771 Frequency (Mhz) Go to: www.freescale.com Video Characteristics , 10-step grayscale. p-p Typ Max Unit Type -0 1.5 Vcvbs D µA 0 Ω 97 ...

Page 14

... MC44BS374T1/374T1A Advance Information For More Information On This Product, PAL Video Modulation Depth Maximum specification Typical Minimum specification 521 571 621 671 721 771 821 871 Frequency (Mhz Video Input 1V Test Conditions Min -2 to: www.freescale.com , 10-step grayscale. p-p Typ Max Unit Type Ω +2.0 ...

Page 15

... RF Inputs / Output into 75ohm Load using ohm transformation. Video Input 1Vpp. Audio pre-emphasis circuit enabled. MC44BS374T1/374T1A Advance Information For More Information On This Product, Characterization Measurement Conditions FM Audio Weighted Signal to Noise Typical Minimum specification 471 521 571 621 671 721 771 821 Frequency (Mhz) Go to: www.freescale.com 871 ...

Page 16

... Fo +5.5MHz +11MHz +16.5MHz Measure in dBc, in reference to picture carrier (TVout_Ref), second harmonic of chroma at channel frequency plus 2 times chroma frequency, resulting in the following spectrum. Picture carrier Chroma carrier Fo +4.43MHz +5.5MHz Go to: www.freescale.com Sound 3rd harm Sound carrier Chroma 2nd Harmonic +8.86MHz ...

Page 17

... Picture carrier Spurious Fo/4 Fo/2 Fo*3/4 In Band Spurious Measure in dBc, in reference to picture carrier (TVout_Ref), spurious levels falling into video bandwidth starting from +/-100 KHz from the picture carrier up to +/-5MHz. Go to: www.freescale.com Sound Chroma carrier carrier +4.43MHz +5.5MHz 3rd harmonic 3Fo Fo ...

Page 18

... The largest positive or negative difference indicates the distortion. the largest positive or negative difference DIFF PHASE = the phase at position 0 The video analyzer method takes the worst step from the first 4 steps. Go to: www.freescale.com N * 100% ...

Page 19

... TV Line Demodulated by Spectrum Analyzer-BG standard The Modulation Depth is calculated as (A-B)/A x 100 in% Picture to Sound ratio Measure in dBc sound carrier in reference to picture carrier (TVout_Ref) for PS” bit=0 (PS=12dB typical) and for PS” bit=1 (PS=16dB), Picture carrier Sound carrier Fo +5.5Mhz Go to: www.freescale.com 100% A(mV 6-10mV) B(mV ...

Page 20

... TV set. In this mode the Nyquist filter is bypassed and the video carrier is used without added delay to effectuate intercarrier conversion. In this mode the phase noise information fully cancels out and the true S/N can be measured × ( ASN log Signal Go to: www.freescale.com ) Distorsion + Noise + Signal ) ⁄ Noise ...

Page 21

... After the 263ms time-out, the current source is switched to 1 µA. Use care when selecting loop filter components, to ensure the loop transient does not exceed this delay. MC44BS374T1/374T1A Advance Information For More Information On This Product, Table 8. Power ON Settings Bit 6 Bit 5 Bit 4 Bit N11 N10 to: www.freescale.com Modes of Operation Bit 2 Bit 1 Bit 0 ACK ACK ACK ACK ACK ...

Page 22

... OFF position bypass switch or for other logic functions in the application. Antenna Input Figure 7. Typical Attenuator Application with Pin Diode MC44BS374T1/374T1A Advance Information For More Information On This Product, F 128 × -------- - × × …… × × + 1024 N10 + + NOTE: Vcc TV Out LOP pin Go to: www.freescale.com ...

Page 23

... The pattern consists of two white vertical bars on a black background and a 976 Hz audio test signal. TE2 TE1 10 0 MC44BS374T1/374T1A Advance Information For More Information On This Product, 7/ TIME IN µS. Figure 8. Test Pattern Generator Go to: www.freescale.com Modes of Operation 3/ ...

Page 24

... It is recommended to adjust the value of R experimentally depending on the application and requirements. In the proposed application schematic a value of 15 kΩ has been chosen. Figure 9. Sound PLL Loop Filter Calculation MC44BS374T1/374T1A Advance Information For More Information On This Product, Kpd * Kosc with : Q ω to: www.freescale.com ...

Page 25

... T 200 buf T 500 su;sta T 500 hd;sta T 0 su;dat T 0 hd;dat T 500 su;sto T 500 hd;sto T - ack;low - - - - - ACK ... SDA SCL ... Thd;dat Tack:low Tsu;sta Figure 10. SSDA/SSCL Timing Go to: www.freescale.com High Speed I2C Compatible Bus Typ Max Unit Type µ 1 µ Vcc Typ ...

Page 26

... For More Information On This Product, Vcc Vih ... dead band Vil 0V Figure 11. SDA/SCL Levels First Data Byte (C1 or FM) ACK 2 Figure 12 Bus Timing 2 Table 9. Chip Address (I C Bus STO STO Chip Address Go to: www.freescale.com Data Stop ACK ACK 2 C bus ) is as follows STO C1 C0 STO ...

Page 27

... ACK followed by one byte containing three bits of status information. No acknowledge is answered by the modulator after this byte. MC44BS374T1/374T1A Advance Information For More Information On This Product, High Speed I2C Compatible Bus FL = Frequency information, low order bits CO = Control information, low order bits 2 C Read Mode) Go to: www.freescale.com ...

Page 28

... PLLFLT 2K Figure 13. Pin Circuit Schematics MC44BS374T1/374T1A Advance Information For More Information On This Product, VCC SCL 1/2 VCCD 10k audio VCC TV OUT VCC 75 VCC 100 Go to: www.freescale.com VCCD 25K 1/2 VCCD VCC LOP VCC 50k AUDIO IN TVOVCC VCC VIDEO 500 10K 10K ...

Page 29

... SDA VCCD 3 14 Note 3 LOP PLLFLT 4 13 10nF XTAL TVOVCC 5 12 1nF GND TVOUT 6 11 PREEM GND 7 10 AUDIO VCCA 8 9 SPLLFLT VIDEO 10nF 15K 75 O Video Go to: www.freescale.com Application Diagram 2.2k Note 2 22nF 47nF O TVOUT Note 3 10nF 100nF O Vcc ...

Page 30

... 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 ...

Page 31

... 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 ...

Page 32

... Assembly site code AW (2 digits) followed by the wafer lot code L (1 digit), year Y (1 digit) and work week WW (2 digits) MC44BS374T1/374T1A Advance Information For More Information On This Product, MCBS374T1 Pin 1 Dot or Dimple MCBS374T1A Pin 1 Dot or Dimple Go to: www.freescale.com AWLYWW AWLYWW ...

Page 33

... Note: 4. Maximum mold protrusion 0.15 ( 0.006 ) per 0.393 side. 0.244 Note: 5. Dimension b does not include Dambar protrusion. 0.157 Allowable Dambar protrusion shall be 0.127 ( 0.005 ) 0.019 total in excess of the b dimension at maximum material 0.009 condition. 0.050 BSC 0.049 0.019 Figure 18. SO16NB package Go to: www.freescale.com ...

Page 34

... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer ...

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