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.

SO16NB Package

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

MC44BS374T1A

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

•

•

Logic Output Port pin (pin 3) available

Figure 1 shows the pin connections.

Figure 1. MC44BS374T1 and MC44BS374T1A Pin Connections

GNDD

VCCD

XTAL

GND

TVOVCC

AUDIO

GND

PLLFLT

SDA

SCL

LOP

PREEM

TVOUT

VCCA

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

SPLFLT

VIDEO

SO16 pin package

Advance Information

MC44BS374T1/374T1A

Rev. 1.2 11/2003

PLL Tuned UHF and

VHF Audio/Video High

Integration Modulator

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

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com