saa5254 NXP Semiconductors, saa5254 Datasheet - Page 10

• Manufacturer Part Number: saa5254
• Description: Integrated Vip And Teletext Decoder Ivt1.1x
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Notes
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
1996 Nov 07
ODD/EVEN
V
V
C
t
t
COR
V
V
C
t
I
T
Timing
I
t
t
t
t
t
t
t
t
SYMBOL
2
o(r)
o(f)
o(f)
LO
LOW
HIGH
SU;DAT
HD;DAT
SU;STO
BUF
HD;STA
SU;STA
skew
C
OL
OH
pu
OL
Integrated VIP and teletext decoder
(IVT1.1X)
L
L
-
Series current limiting resistors must be used to limit the input currents to 1 mA.
R, G and B pins. The leakage specification on RGBREF only applies when there is no current load on the RGB pins.
BUS
AND
(see Fig.3)
Y (
LOW level output voltage
HIGH level output voltage
load capacitance
output rise time
output fall time
pull-up voltage at pin
LOW level output voltage
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
OPEN DRAIN
PARAMETER
)
I
I
0.6 to 2.2 V
2.2 to 0.6 V
I
load resistor of
1.2 k to V
measured between
V
V
OL
OH
OL
DD
I
= 0 to V
= 1.6 mA
= 5 mA
= 1.6 mA
CONDITIONS
0.5 and 1.5 V
10
DD
DD
;
0
V
0
4
4
250
170
4
4
4
4
10
DD
MIN.
0.4
TYP.
OH
Preliminary specification
current from the
0.4
V
120
50
50
V
1.0
25
50
+10
20
SAA5254
DD
DD
MAX.
V
V
pF
ns
ns
V
V
pF
ns
ns
ns
ns
UNIT
A
s
s
s
s
s
s