VT8225

Features: ·Generates essential clock signals for the motherboard· 4V to 7V operating supply range· Supports 80286, 80386 and 80486 based designs· Wide range of selectable output frequencies· < 2ns skew between CPU and 2X CPU clock outputs· Single low cost crystal (14.318Mhz) used as reference f...

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VT8225 Picture
SeekIC No. : 004543848 Detail

VT8225: Features: ·Generates essential clock signals for the motherboard· 4V to 7V operating supply range· Supports 80286, 80386 and 80486 based designs· Wide range of selectable output frequencies· < 2n...

floor Price/Ceiling Price

Part Number:
VT8225
Supply Ability:
5000

Price Break

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

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268 Transactions

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Upload time: 2024/2/22

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Product Details

Description



Features:

·Generates essential clock signals for the motherboard
· 4V to 7V operating supply range
· Supports 80286, 80386 and 80486 based designs
· Wide range of selectable output frequencies
· < 2ns skew between CPU and 2X CPU clock outputs
· Single low cost crystal (14.318Mhz) used as reference frequency
· Smooth transition on frequency switching
· 50% duty cycle
· Power down mode for low power consumption
· TTL or CMOS compatible outputs with 12mA drive capability
· Low, short and long term jitter
· 14 pin DIP and 14 pin SOIC (300 mil body) package options



Pinout

  Connection Diagram


Specifications

Voltage relative to VSS :........................-0.3V TO 7V
Voltage relative to VDD:....................................0.3V
Storage temperature:.......................-65 to 150
Ambient temperature: ....................-55 to +125
Recommended Operating Range: ................4V - 7V

This device contains circuitry to protect the inputs against damage due to high static voltages or electric field; however, precautions should be taken to avoid application of any voltage higher than the maximum rated voltages to this circuit. For proper operation, Vin and Vout should be constrained to the range:

                     VSS < (Vin or Vout) < VDD

Unused inputs must always be tied to an appropriate logic voltage level (either VSS or VDD).




Description

The VT8225 is a universal clock generator for motherboard design. The product at a glimpse:

1. Generates all kinds of required clocks for CPU and bus operation from 6 Mhz to 80 Mhz.

2. Eliminates at least two oscillators, which are oscillators for CPU and 14.318MHz oscillator.

3. Simplifies inventory: VT8225 covers required main clock for the motherboard design.

4. Provides a reliable clock for the PLL design.

5. Is pin-to-pin compatible to oscillator.




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