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SAA5254

Integrated VIP and teletext decoder (IVT1.1X)

Philips Electronics 

Philips Semiconductors

Integrated VIP and teletext decoder

(IVT1.1X)

Preliminary specification

SAA5254

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX. UNIT

SDA

VIL

VIH

ILI

Ci

ti(r)

ti(f)

VOL

to(f)

CL

Outputs

LOW level input voltage

HIGH level input voltage

input leakage current

input capacitance

input rise time

input fall time

LOW level output voltage

output fall time

load capacitance

VI = 0 to VDD

10% to 90%

90% to 10%

IOL = 3 mA

3 to 1 V

−0.3

−

3.0

−

−10

−

−

−

−

−

−

−

0

−

−

−

−

−

+1.5

V

VDD + 0.5 V

+10

µA

10

pF

2

µs

2

µs

0.5

V

200

ns

400

pF

STTV

GSTTV

VTCS

VDCshift

gain of STTV relative to video input

TCS voltage amplitude

DC voltage shift between TCS output

and nominal video output

0.9

1.0

1.1

0.2

0.3

0.45

V

−

−

0.15

V

IO

output drive current

CL

load capacitance

−

−

3.0

mA

−

−

100

pF

R, G AND B

VOL

VOH

Zo

CL

IDC

to(r)

to(f)

LOW level output voltage

HIGH level output voltage

output impedance

load capacitance

DC current

output rise time

output fall time

IOL = 2 mA

IOH = −1.6 mA;

RGBREF ≤ VDD − 2 V

10% to 90%

90% to 10%

0

−

0.2

V

RGBREF RGBREF RGBREF V

−0.25 V

+0.25 V

−

−

200

Ω

−

−

50

pF

−

−

−3.3

mA

−

−

20

ns

−

−

20

ns

BLAN

VOL

LOW level output voltage

VOH

HIGH level output voltage

VO(max)

CL

to(r)

to(f)

allowed output voltage at pin

load capacitance

output rise time

output fall time

IOL = 1.6 mA

0

−

IOH = −0.2 mA;

VDD = 4.5 V

1.1

−

IOH = 0 mA; VDD = 5.5 V −

−

with external pull-up

−

−

−

−

10% to 90%

−

−

90% to 10%

−

−

0.4

V

−

V

2.8

V

VDD

V

50

pF

20

ns

20

ns

1996 Nov 07

9

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