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LC74411NE Datasheet

  • LC74411NE

  • PIP Controller

  • 14頁(yè)

  • SANYO

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Ordering number : EN*5519A
CMOS LSI
LC74411N, LC74411NE
PIP Controller
Preliminary
Overview
The LC74411N and LC74411NE are digital processing
controllers for PIP (picture-in-picture) systems in TV sets
and VCRs. These ICs incorporate three circuits, a
multiplexed A/D converter, field memory, and a D/A
converter, to implement the PIP digital processing block in
a single chip.
Package Dimensions
unit: mm
3071-DIP64S
[LC74411N]
Features
鈥?Horizontal resolution: 450 pixels*
鈥?Single-chip implementation of the three circuits required
in a PIP digital processing block: A/D converter, field
memory, and D/A converter circuits
鈥?High image quality provided by vertical filtering
鈥?I
2
C bus adopted
鈥?Built-in PLL circuit (requires an external low-pass filter)
鈥?Supports NTSC and PAL, TV and VCR applications,
and multi-format (NTSC and PAL) applications.
鈥?External control function
鈥?8-bit D/A converter (PWM type): 6 pins
鈥?General-purpose ports: 8 pins
鈥?Sub-screen specifications
鈥?Display on/off, frame/no frame, frame color switching,
wipe function
鈥?Display position - Specifiable as an 8-bit value for each
of the horizontal and vertical directions.
鈥?Size
Vertical reduction: 1/3, 1/4
Horizontal reduction: 1/3, 1/4
鈥?The horizontal size can be adjusted by adjusting the
PLL divisor
鈥?The display area vertical and horizontal positions
can be varied independently.
鈥?Horizontal resolution (Y signal): about 190 dots
鈥?Quantization: 6 bits
鈥?Operating supply voltage LC74411NE
: 5 V 鹵5%
LC74411N
: 5 V 鹵10%
鈥?Package
LC74411NE : QFP64E
LC74411N
: DIP64S
Note:
Y
R-Y
B-Y
D/A clock
11.6 MHz
2.9 MHz
2.9 MHz
When the main screen
synchronization PLL uses the
standard value
(PLL4 : 0 = 10110)
SANYO: DIP64S
unit: mm
3159-QFP64E
[LC74411NE]
SANYO: QIP64E
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
93196HA (OT) No. 5519-1/14

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