SAA4977H datasheet(3/32 Pages) PHILIPS

Part #	SAA4977H

Description	Besic

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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3 / 32 page

1998 Jul 23

3

Philips Semiconductors

Preliminary speciﬁcation

Besic

SAA4977H

1

FEATURES

• Internal prefilter

• Clamp circuit

• Analog AGC

• Line locked PLL

• Triple YUV 8-bit Analog-to-Digital Converter (ADC)

• Horizontal compression

• Field rate up-conversion (50 to 100 Hz or 60 to 120 Hz)

• 4:1:1 digital I/O interface

• Digital CTI (DCTI)

• Digital luminance peaking

• Triple 10-bit Digital-to-Analog Converter (DAC)

• Memory controller

• Embedded microprocessor

• 16 kbyte ROM

• 256 byte RAM

• I2C-bus interface

• Synchronous No parity Eight bit Reception and

Transmission (SNERT) interface.

2

GENERAL DESCRIPTION

The SAA4977H is a video processing IC providing analog

YUV interfacing, video enhancing features, memory

controlling and an embedded 80C51 microprocessor core.

It is applicable especially for field rate up-conversion

(50 to 100 Hz or 60 to 120 Hz) in cooperation with a

2.9 Mbit field memory. It is designed for applications

together with:

SAA4955/56TJ, TMS4C2972/73 (serial field memories)

SAA4990H (PROZONIC)

SAA4991WP (MELZONIC).

3

QUICK REFERENCE DATA

4

ORDERING INFORMATION

SYMBOL

PARAMETER

MIN.

TYP.

MAX.

UNIT

VDDA(1,2,3)

analog supply voltage front-end

4.75

5.0

5.25

V

VDDD(1,2,3)

digital supply voltage front-end

4.75

5.0

5.25

V

VDDA(4,5)

analog supply voltage back-end

3.15

3.3

3.45

V

VDDD(4,5,6)

digital supply voltage back-end

3.15

3.3

3.45

V

VDDIO

I/O supply voltage back-end

4.75

5.0

5.25

V

IDDA(1,2,3)

analog supply current front-end

−

85

100

mA

IDDD(1,2,3)

digital supply current front-end

−

65

80

mA

IDDA(4,5)

analog supply current back-end

−

25

35

mA

IDDD(4,5,6)

digital supply current back-end

−

40

55

mA

IDDIO

I/O supply current back-end

−

110

mA

Ptot

total power dissipation

−−

1.3

W

Tamb

operating ambient temperature

−20

−

+60

°C

TYPE NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

SAA4977H

QFP80

plastic quad ﬂat package; 80 leads (lead length 1.95 mm);

body 14

× 20 × 2.8 mm

SOT318-2

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