saa5244a NXP Semiconductors, saa5244a Datasheet - Page 12

• Manufacturer Part Number: saa5244a
• Description: Integrated Teletext Decoder Ivt1.1
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Notes to the characteristics
1. This current is the maximum allowed into the inputs when line and field flyback signals are connected to these inputs.
2. RGBREF is the positive supply for the RGB output pins and it must be able to source the I
March 1992
Outputs
COR
V
V
C
t
I
T
Timing
I
t
t
t
t
t
t
t
t
f
LO
2
LOW
HIGH
SU;DAT
HD;DAT
SU;STO
BUF
HD;STA
SU;STA
SYMBOL
SK
OH
OL
L
C-
Integrated VIP and teletext decoder
(IVT1.1)
Series current limiting resistors must be used to limit the input currents to
and B pins. The leakage specification on RGBREF only applies when there is no current load on the RGB pins.
BUS
AND
Y (
OPEN DRAIN
pull-up voltage at pin
output voltage LOW
load capacitance
output fall time
output leakage current
skew delay between display
outputs R, G, B, COR, Y and
BLAN
clock LOW period
clock HIGH period
data set-up time
data hold time
set-up time from clock HIGH
to STOP
START set-up time following a
STOP
START hold time
START set-up time following
clock LOW-to-HIGH transition
PARAMETER
)
I
load resistor of
1.2 k to V
measured between
V
V
OL
DD
I
= 0 to V
= 5 mA
CONDITIONS
0.5 and 1.5 V
12
DD
DD
;
0
4
4
250
170
4
4
4
4
10
MIN.
1 mA.
TYP.
OH
current from the R, G
Product specification
V
1.0
25
50
10
20
SAA5244A
DD
MAX.
V
V
pF
ns
ns
ns
ns
UNIT
A
s
s
s
s
s
s