STV5730A datasheet(5/20 Pages) STMICROELECTRONICS

5 / 20 page

ELECTRICAL CHARACTERISTICS

(TA =0

oCto 70oC, AVDD =DVDD = 5V, unless otherwise specified) (continued)

Symbol

Parameter

Min.

Typ.

Max.

Unit

LESCREEN (Pin 23)

VLESCR

Input Level

1.0

3.0

LECHAR (Pin 22)

VLECH

Input Level

1.0

3.0

INTERNAL SIGNAL LEVELS (Pins 1- 24)

VSYNC

Internal Sync Level

0.95

VBLACK

Internal Black Level

1.1

1.25

1.4

VSCREEN

Internal LESCREEN

1.4

VCHAR

Internal LECHAR

1.9

∆V1

Difference Level between Black and Sync Level

250

300

350

∆V2

Difference Level between Screen and Black Level

100

150

200

∆V3

Difference Level between Char. and Screen Level

450

515

580

VBURSTPP

Burst Amplitude

320

mVPP

VCH1PP

VCH2PP

Chroma Amplitude for blue or yellow colors

for red, magenta, green or cyan colors

420

580

mVPP

BUS (Pins 11- 12 - 13)

fCLK

CLK Frequency Range

MHz

tCWL

CLK Width Low

200

tCWH

CLK Width High

200

tCSWL

CSN Width Low

maxHZ* x 4

µs

tCSWH

CSN Width High

maxHZ* x 4

µs

tDCLH

DATA Valid to CLK High

100

tCLD

CLK High to DATA Unvalid

100

tCLCSL

CLK Valid to CSN Low

100

tCSLCLL

CSN Low to CLK Low

100

tCLHCSH

CLK High to CSN High

100

tCSHCL

CSN High to CLK Unvalid

100

* maxHZ is the maximum horizontal zoom factor that is used

DATA

CLK

CSN

t CSHCL

t CSWL

t CSLCLL

t CWH

t CWL

t DCLH

t CLCSL

CLD

t CLHCSH

t CLCSL

t CSWH

Figure 1

STV5730A

5/20

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