MC44BS374T1 Datasheet, PDF (1/34 Pages) Freescale Semiconductor, Inc – PLL Tuned UHF and VHF Audio/Video High Integration Modulator

Advance Information
Freescale Semiconductor, Inc.
MC44BS374T1/374T1A
Rev. 1.2 11/2003
PLL Tuned UHF and
VHF Audio/Video High
Integration Modulator
MC44BS374T1
MC44BS374T1A
SO16NB Package
Ordering Information
Device
Temp Range Package
MC44BS374T1D,R2
0°C to +70°C
SO16NB
MC44BS374T1AD,R2
0°C to +70°C
SO16NB
NOTE: For tape and reel, add R2 suffix.
Contents
1Features . . . . . . . . . . . . . . 2
Comparing the
MC44BS374T1/374T1A to
the MC44BC374T1 . . . . . 2
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
Characteristics . . . . . . 10
Video Characteristics . . . 11
Audio Characteristics . . . 13
Characterization
Measurement Conditions
14
Modes of Operation . . . . . 20
High Speed I2C Compatible
Bus . . . . . . . . . . . . . . . . 24
Pin Circuit Schematics . . 27
Application Diagrams . . . 28
Evaluation Board Schematic
and Layout . . . . . . . . . . 29
Packaging Instructions . . 31
Marking Instructions31
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:
• TV output level 82dBuV typical for the MC44BS374T1A, 75 dBuV for the
MC44BS374T1
• 5V and 3.3V compatible I²C bus
• Logic Output Port pin (pin 3) available
Figure 1 shows the pin connections.
SCL
1
SDA
2
LOP
3
XTAL
4
GND
5
PREEM
6
AUDIO
7
SPLFLT
8
16
GNDD
15
VCCD
14
PLLFLT
13
TVOVCC
12
TVOUT
11
GND
10
VCCA
9
VIDEO
SO16 pin package
Figure 1. MC44BS374T1 and MC44BS374T1A Pin Connections
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,
Go to: www.freescale.com