SAA5281 Datasheet, PDF (11/48 Pages) NXP Semiconductors – Integrated Video input processor and Teletext decoder IVT1.8

Philips Semiconductors
Integrated Video input processor and
Teletext decoder (IVT1.8*)
Preliminary specification
SAA5281
SYMBOL
PARAMETER
CONDITIONS
MIN.
BLACK
C_black
storage capacitor to ground
−
V_black
black level voltage for nominal
1.8
sync amplitude
I_LI
input leakage current
V_I = 0 to V_DD
−10
SDA (OPEN-DRAIN INPUT/OUTPUT)
V_IL
LOW level input voltage
−0.3
V_IH
HIGH level input voltage
3.0
V_OL
LOW level output voltage
I_OL = 3 mA
0
I_LI
input leakage current
V_I = 0 to V_DD
−10
C_I
input capacitance
−
C_L
load capacitance
−
t_r
input rise time
between 10% and 90% −
t_f
input fall time
between 90% and 10% −
t_f
output fall time
between 3 V and 1 V −
Outputs
STTV
G_sttv
gain of STTV relative to video
input
V_tcs
∆V_tcs
TCS voltage amplitude
DC shift between TCS output
and nominal video output
I_O
output drive current
C_L
load capacitance
R, G AND B
V_OL
LOW level output voltage
V_OH
HIGH level output voltage
|Z_o|
C_L
t_r
t_f
BLAN
output impedance
load capacitance
output rise time
output fall time
I_OL = 2 mA
I_OH = −1.6 mA;
V_RGBREF < V_DD − 2 V;
note 2
between 10% and 90%
between 90% and 10%
0.9
0.2
−
−
−
0
V_RGBREF
− 0.25
−
−
−
−
V_OL
LOW level output voltage
I_OL = 1.6 mA
0
V_OH
HIGH level output voltage
I_OH = − 0.2 mA
1.1
I_OH = 0 mA
−
C_L
load capacitance
−
t_r
output rise time
between 10% and 90% −
t_f
output fall time
between 90% and 10% −
TYP.
MAX.
UNIT
100
−
nF
2.15
2.5
V
−
+10
µA
−
+1.5
V
−
V_DD + 0.5 V
−
0.5
V
−
+10
µA
−
10
pF
−
400
pF
−
2
µs
−
2
µs
−
200
ns
1.0
1.1
0.3
0.45
V
−
0.15
V
−
3.0
mA
−
100
pF
−
0.2
V
V_RGBREF V_RGBREF V
+ 0.5
−
200
Ω
−
50
pF
−
20
ns
−
20
ns
−
0.4
V
−
−
V
−
2.8
V
−
50
pF
−
20
ns
−
20
ns
1996 Nov 04
11