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ASM2I9940L - Low Voltage 1:18 Clock Distribution Chip

General Description

The ASM2I9940L is a 1:18 low Voltage Clock distribution chip with 2.5V or 3.3V LVCMOS output capabilities.

Key Features

  • LVPECL or LVCMOS Clock Input.
  • 2.5V LVCMOS Outputs for Pentium II Microprocessor Support.
  • 150pS Maximum Output-to-Output Skew.
  • Maximum Output Frequency of 250MHz.
  • 32 Lead LQFP & TQFP Packaging.
  • Dual or Single Supply Device:.
  • Dual VCC Supply Voltage, 3.3V Core and 2.5V Output.
  • Single 3.3V VCC Supply Voltage for 3.3V Outputs.
  • Single 2.5V VCC Supply Voltage for 2.5V I/O.
  • Pin and Function compatible to MPC940L, MPC9109, CY29940 and CY29940-1 Fun.

📥 Download Datasheet

Datasheet Details

Part number ASM2I9940L
Manufacturer Alliance Semiconductor
File Size 219.98 KB
Description Low Voltage 1:18 Clock Distribution Chip
Datasheet download datasheet ASM2I9940L Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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June 2005 ASM2I9940L rev 1.0 Low Voltage 1:18 Clock Distribution Chip Features ƒ LVPECL or LVCMOS Clock Input ƒ 2.5V LVCMOS Outputs for Pentium II Microprocessor Support* ƒ 150pS Maximum Output-to-Output Skew ƒ Maximum Output Frequency of 250MHz ƒ 32 Lead LQFP & TQFP Packaging ƒ Dual or Single Supply Device: ƒ Dual VCC Supply Voltage, 3.3V Core and 2.5V Output ƒ Single 3.3V VCC Supply Voltage for 3.3V Outputs ƒ Single 2.5V VCC Supply Voltage for 2.5V I/O ƒ Pin and Function compatible to MPC940L, MPC9109, CY29940 and CY29940-1 Functional Description The ASM2I9940L is a 1:18 low Voltage Clock distribution chip with 2.5V or 3.3V LVCMOS output capabilities. The device features the capability to select either a differential LVPECL or LVCMOS compatible input. The 18 outputs are 2.5V or 3.