TMC2072 Fairchild Semiconductor, TMC2072 Datasheet - Page 17

• Manufacturer Part Number: TMC2072
• Description: Genlocking Video Digitizer
• Manufacturer: Fairchild Semiconductor

PRODUCT SPECIFICATION
Switching Characteristics
System Performance Characterlstics
Note:
1. NTSC/PAL compliant black burst at nominal input level 10%, frequencies nominal 10 ppm.
REV. 1.0.4 6/19/01
Parameter
t
t
f
f
t
t
t
t
t
t
Parameter
E
E
t
V
DO
HO
PCK
PXCK
PWHPX
PWHPX
DH
VD
XL
XV
AL
Video A
Video B
Video C
SCH
SCP
XT
20 MHz, TTL
via low-impedance path
Output Delay Time
Output Hold Time
Pixel Rate
Master Clock Rate
PXCK Pulse Width, LOW
PXCK Pulse Width, HIGH
Horizontal Sync to GHSYNC
Vertical Sync to GVSYNC
PXCK LOW to LDV HIGH
PXCK LOW to LDV LOW
and
LPF
LPF
LPF
Sync time-base variation
Subcarrier Phase Error
Line-lock Acquisition Time
Channel-to-Channel Crosstalk @3.58 Mhz
must be connected
75
75
75
+5V
Digital Supply Plane
3.3 F
3.3 F
3.3 F
D GND
V IN1
V IN2
V IN3
EXT PXCK
CLK IN
CLK OUT
PXCK SEL
0.1 F
10 F
1
(for standard temperature range)
1
Figure 16. Typical Interface Circuit
V DD V DDA
+5V
Conditlons
C
TMC2072
TMC2072-1
27 MHz
27 MHz
For low-jitter video source,
Lead - Lag = 80h
For low-jitter video source,
Lead - Lag = 80h
FLIPPX = 0, FLIPLDV = 0
XDLY = 0, VDLY = 0
LOAD
10 F
0.1 F
Analog Supply Plane*
Ferrite Bead
A GND
MICROPROCESSOR
= 35 pF
Video Digitizer
Genlocking
INTERFACE
TMC2072
DDS OUT
150 pF
C BYP
Min.
6.8 pF
10 H
0.1 F
Min.
390
pF
24
12
12
PFD IN
12
2
3
GHSYNC
GVSYNC
CVBS 7:0
Typ.
COMP
0.01 F
V REF
PXCK
*section of supply plane beneath
analog interface circuitry
LDV
R B
R T
Typ.
14
14
LM385-1.2
8
0.1 F
0.1 F
0.1 F
Max.
-35
2
3
2
Max.
15.3
27.4
30.6
15
10
65-2072-16
+5V
8
6
3.3K
degrees
frames
TMC2072
Unit
0.1 F
dB
ns
MHz
MHz
pxck
pxck
Unit
ns
ns
ns
ns
ns
ns
17