SAA5244A 查看數據表（PDF） - Philips Electronics

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SAA5244A

Integrated VIP and teletext decoder (IVT1.1)

Philips Electronics 

Philips Semiconductors

Integrated VIP and teletext decoder

(IVT1.1)

Product specification

SAA5244A

SYMBOL

PARAMETER

Outputs

STTV

Gstt

gain of STTV relative to video

input

Vtcs

VDCs

TCS amplitude

DC shift between TCS output

and nominal video output

IO

output drive current

CL

load capacitance

R, G AND B

VOL

output voltage LOW

VOH

output voltage HIGH

Zo

CL

IDC

tr

tf

BLAN

VOL

VOH

output impedance

load capacitance

DC current

output rise time

output fall time

output voltage LOW

output voltage HIGH

VOH

output voltage HIGH

VOH

allowed voltage at pin

CL

load capacitance

tr

output rise time

tf

output fall time

ODD/EVEN

VOL

output voltage LOW

VOH

output voltage HIGH

CL

load capacitance

tr

output rise time

tf

output fall time

CONDITIONS

MIN.

TYP.

MAX. UNIT

0.9

1.0

1.1

0.2

0.3

0.45

V

−

−

0.15

V

−

−

3.0

mA

−

−

100

pF

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

IOL = 1.6 mA

0

−

IOH = −0.2 mA;

1.1

−

VDD = 4.5 V

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

IOL = 1.6 mA

IOH = −1.6 mA

0.6 to 2.2 V

2.2 to 0.6 V

0

−

VDD−0.4 −

−

−

−

−

−

−

0.4

V

VDD

V

120

pF

50

ns

50

ns

March 1992

11

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