SAA7151 Просмотр технического описания (PDF) - Philips Electronics
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SAA7151 Datasheet PDF : 49 Pages
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Philips Semiconductors
Digital multistandard colour decoder
with SCART interface (DMSD2-SCART)
Product specification
SAA7151B
FEATURES
• 8-bit performance on chip for luminance and
chrominance signal processing for PAL, NTSC and
SECAM standards
• Separate 8-bit luminance and 8-bit chrominance input
signals from Y/C, CVBS, S-Video (S-VHS or Hi8)
sources
• SCART signal insertion by means of RGB/YUV
convertion; fast switch handling
• Horizontal and vertical sync detection for all standards
• Real time control output RTCO
• Fast sync recovery of vertical blanking for VCR signals
(bottom flutter compensation)
• Controls via the I2C-bus
• User programmable aperture correction (horizontal
peaking)
• Cross-colour reduction by chrominance comb-filtering
(NTSC) or by special cross-colour cancellation
(SECAM)
• 8-bit quantization of output signals in 4:1:1 or 4:2:2
formats
• 720 active samples per line
• The YUV bus supports a data rate of 13.5 MHz
(CCIR 601).
– (864 × fH) for 50 Hz
– (858 × fH) for 60 Hz
• Compatible with memory-based features (line-locked
clock)
• One 24.576 MHz crystal oscillator for all standards
GENERAL DESCRIPTION
The SAA7151B is a digital multistandard colour-decoder
having two 8-bit input channels, one for CVBS or Y, the
other for chrominance or time-multiplexed
colour-difference signals.
QUICK REFERENCE DATA
SYMBOL
VDD
IDD
VI
VO
Tamb
PARAMETER
supply voltage (pins 5, 18, 28, 37 and 52)
total supply current (pins 5, 18, 28, 37 and 52)
input levels
output levels
operating ambient temperature
MIN.
4.5
−
0
TYP.
MAX.
5
5.5
100
250
TTL-compatible
TTL-compatible
−
70
UNIT
V
mA
°C
ORDERING INFORMATION
EXTENDED TYPE
NUMBER
SAA7151B
PINS
68
Note
1. SOT188-2; 1996 December 16.
PACKAGE
PIN POSITION
mini-pack PLCC
MATERIAL
plastic
CODE
SOT188(1)
April 1993
2
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