--12--
MC68HC705BD7B
CXA2151Q
Description
The CXA2151Q is a bipolar IC developed for multi
scan TVs, and incorporates a four system video
switch (including HV sync signal processing) and a
YCbCr output matrix circuit.
Features
•Supports the I
2
C bus
•Supports multi scan
•Four system video switch (of which two systems support D3 pins)
•Matrix circuit
•Each YCbCr output can be switched between 0dB, 6dB (gain adjustable) and mute.
•Sync signal automatic identification circuit (with fixed mode)
•Sync separation circuit (supports HD)
•HD Tri-level sync identification circuit
•Sync signal frequency counter (both H and V)
•Dummy sync output
Applications
Multi scan TVs
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings(Ta = 25
°
C, GND1, 2, 3 = 0V)
•Supply voltage
V
CC
1, 2, 3
–0.3 to +5.5
V
•Operating temperature
Topr
–20 to +75
°
C
•Storage temperature
Tstg
–65 to +150
°
C
•Allowable power dissipation P
D
1400
mW
(when mounted on a 50mm 50mm board)
•Voltage at each pin
–0.3 to V
CC
1, 2, 3 + 0.3 V
Recommended Operating Conditions
Supply voltage
V
CC
1, 2, 3
5
±
0.25
V
48 pin QFP (Plastic)
Summary of Contents for PD421
Page 1: ...Hyundai Plasma Display PD421 Svc Manual...
Page 30: ...29 Plasma Display PD421 MC68HC705BD7B TA8851...
Page 31: ...30...
