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LC74201E

Features: • Incorporation of virtually almost all the functionality required by a video CD player from the CD-ROM decoder through to the MPEG audio and video decoders in a single chip• Fully automatic playback with automatic decoding within the LSI in response to simple external comma...

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SeekIC No. : 004391947 Detail

LC74201E: Features: • Incorporation of virtually almost all the functionality required by a video CD player from the CD-ROM decoder through to the MPEG audio and video decoders in a single chip• ...

LC74201E Data Sheet

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Part Number:
LC74201E
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Incorporation of virtually almost all the functionality required by a video CD player from the CD-ROM decoder through to the MPEG audio and video decoders in a single
   chip
• Fully automatic playback with automatic decoding within the LSI in response to simple external commands and the MPEG bit stream
• Special playback functions are activated by command inputs, and do not require signal processing by the host microcomputer
• Support for two external DRAM configurations: 4 M bits (256k ´ 16 bits) or 4 M bits (256k ´ 16 bits) + 1 M bit (64k ´ 16 bits)
• Support for a Track 1 DRAM user area (i.e., sector buffer) of up to 8 k bytes (4 M bits of external DRAM) or 22 k bytes (5 M bits of external DRAM)
• Automatic synchronization of audio and video
• Built-in high-speed decoder core that supports variablespeed video playback at up to quadruple speed. Audio support for normal and double-speed playback.
• Internal registers that offer configuration settings for connecting to most commercially available CD digital signal processors and D/A converters
• Compatible with version 2 of the video CD standard. Support for superimposition of closed caption data on the output signal as specified in the EIA608 standard
• Support for Photo CD standard. (Base/4 and Base/16)


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Conditions
Conditions
Unit
min
max
Power supply voltage

VDD1

DVDD1 pin

DVSS1 0.3

DVSS1 + 4.0
V
VDD2
DVDD2 pin
DVSS2 0.3
DVSS2 + 6.0
V
VDD3
AVDD pin
AVSS 0.3
AVSS + 4.0
V
Input voltage
VIN1
BV0 to EV3, GU0 to GU3, RY0 to RY3, RESET, XPALIN, XNTIN, CLKIN, VCOR, PLLFIL, TEST pins
DVSS1 0.3
DVDD1 + 0.3
V
VIN2
VOE, AS/DS, STB, AD0 to AD7, CLKSEL CDCK, CDEMPH, CDC2P, CDSD, CDBCK, CDLRCK pins
DVSS1 0.3
5.5
V
VIN3
BV4 to BV7, GU4 to GU7, RY4 to TY7, DD0 to DD15 pins
DVSS2 0.3
DVSS2 + 0.3
V
Output voltage
VOUT
BV0 to EV3, GU0 to GU3, RY0 to RY3, PCK0, XPALOUT, XNTOUT, CLK0, AULRCK, AUEMPH, AUDOUT, AUBC0 pins
DVSS1 0.3
DVDD1 + 0.3
V
VOUT
IRQ, AD0 to AD 7, CAS pins
DVSS1 0.3
V
VOUT
BV4 to BV7, GU4 to GU7, RY4 to TY7, FSC0, HSYNC, CSYNC, BLANK, RAS0, RAS1, WE, OE, AA0 to AA8 pins
DVSS2 0.3
DVSS2 + 0.3
V
Maximum current drain
Pd max
Ta = 25°C
500
mW
Operating temperature
Topr
25
+75
°C
Storage temperature
Tstg
40
+125
°C



Description

The LC74201E is a CMOS LSI that reduces the signal processing functions required of a video CD decoder to a single chip. All that it takes to make a version 1 or version 2 video CD player is the addition of a CD digital signal processor, DRAM, an audio D/A converter, digital video encoder, and similar components.




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