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YMF721

Features: • The Wavetable synthesizer of this LSI is able to generate up to 24 types of sounds simultaneously.• Has an interface that makes this LSI compatible with MPU-401 UART mode.• Has an OPL3 (FM synthesizer) for AdLib/Sound Blaster applications.• Has a 1 Mbyte built-i...

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SeekIC No. : 004549985 Detail

YMF721: Features: • The Wavetable synthesizer of this LSI is able to generate up to 24 types of sounds simultaneously.• Has an interface that makes this LSI compatible with MPU-401 UART mode....

YMF721 Data Sheet

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Part Number:
YMF721
Supply Ability:
5000

Price Break

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

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Upload time: 2025/12/19

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Product Details

Description



Features:

• The Wavetable synthesizer of this LSI is able to generate up to 24 types of sounds simultaneously.
• Has an interface that makes this LSI compatible with MPU-401 UART mode.
• Has an OPL3 (FM synthesizer) for AdLib/Sound Blaster applications.
• Has a 1 Mbyte built-in Wavetable sample ROM.
• Complies with GM system Level 1. (Thus, it is compatible with DOS applications that support MPU-401.)
• MIDI signal can be transmitted either through serial input or parallel input.
• FM synthesizer and Wavetable synthesizer of this LSI can generate their sound at the same time.
• FM synthesizer is register-compatible with OPL3.
• All registers are readable.
• Power management functions included power down and suspend/resume can be supported.
• Frequency of master clock signal is 33.8688 MHz.
• Pin compatible with YMF704C-S (100 pin SQPF)
• Voltage of power supply can be 5.0 V or 3.3 V.
• Silicone gate CMOS process
• 100-pin SQFP (YMF721-S).


Pinout

Connection Diagram


Specifications

Item
Symbol
Minimum
Minimum
Unit
Power Supply Voltage (Analog/Digital)
VDD
VSS-0.5
VSS+7.0
V
Input Voltage
VIN
VSS-0.5
VDD+0.5
V
Output Voltage
VOUT
VSS-0.3
VDD+0.3
V
Input Current
IIN
-20
20
mA
Storage Temperature
TSTG
-50
125
Notes : VDD=DVDD=AVDD, VSS=DVSS=AVSS=0[V]


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