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W144 Datasheet

Part Number W144
Manufacturers Cypress Semiconductor
Logo Cypress Semiconductor
Description 440BX AGPset Spread Spectrum Frequency Synthesizer
Datasheet W144 DatasheetW144 Datasheet (PDF)

PRELIMINARY W144 440BX AGPset Spread Spectrum Frequency Synthesizer Features • Maximized EMI suppression using Cypress’s Spread Spectrum technology • Single chip system frequency synthesizer for Intel® 440BX AGPset • Two copies of CPU output • Six copies of PCI output • One 48-MHz output for USB • One 24-MHz output for SIO • Two buffered reference outputs • One IOAPIC output • Thirteen SDRAM outputs provide support for 3 DIMMs • Supports frequencies up to 150 MHz • I2C™ interface for programmi.

  W144   W144






Part Number W14NK50Z
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description N-Channel MOSFET
Datasheet W144 DatasheetW14NK50Z Datasheet (PDF)

STP14NK50Z - STP14NK50ZFP STB14NK50Z-STB14NK50Z-1-STW14NK50Z N-channel 500V - 0.34Ω - 14A TO-220/FP/D2PAK/I2PAK/TO-247 Zener-protected SuperMESHTM Power MOSFET General features Type STP14NK50Z STP14NK50ZFP STB14NK50Z STB14NK50Z-1 STW14NK50Z VDSS 500V 500V 500V 500V 500V RDS(on) ID <0.38Ω 14A <0.38Ω 14A <0.38Ω 14A <0.38Ω 14A <0.38Ω 14A Pw 150W 35W 150W 150W 150W ■ Extremely high dv/dt capability ■ 100% avalanche tested ■ Gate charge minimized ■ Very low intrinsic capacitances ■ Very good ma.

  W144   W144







Part Number W14NC50
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description STW14NC50
Datasheet W144 DatasheetW14NC50 Datasheet (PDF)

www.DataSheet4U.com N-CHANNEL 500V - 0.31Ω - 14A TO-247 PowerMesh™II MOSFET TYPE STW14NC50 s s s s s STW14NC50 VDSS 500V RDS(on) < 0.38Ω ID 14 A TYPICAL RDS(on) = 0.31Ω EXTREMELY HIGH dv/dt CAPABILITY 100% AVALANCHE TESTED NEW HIGH VOLTAGE BENCHMARK GATE CHARGE MINIMIZED 1 3 2 DESCRIPTION The PowerMESH™II is the evolution of the first generation of MESH OVERLAY™. The layout refinements introduced greatly improve the Ron*area figure of merit while keeping the device at the leading edge fo.

  W144   W144







Part Number W14NB50
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description STW14NB50
Datasheet W144 DatasheetW14NB50 Datasheet (PDF)

www.DataSheet4U.com ® STW14NB50 N-CHANNEL 500V - 0.40 Ω - 14A - TO-247 PowerMESH™ MOSFET PRELIMINARY DATA TYPE STW14NB50 s s s s V DSS 500 V R DS(on) < 0.45 Ω ID 14 A TYPICAL RDS(on) = 0.40 Ω EXTREMELY HIGH dv/dt CAPABILITY 100% AVALANCHE TESTED GATE CHARGE MINIMIZED 3 2 1 Using the latest high voltage MESH OVERLAY™ process, STMicroelectronics has designed an advanced family of power MOSFETs with outstanding performances. The new patent pending strip layout coupled with the Company’s pro.

  W144   W144







Part Number W14B
Manufacturers National Semiconductor
Logo National Semiconductor
Description 14 Lead Ceramic Flatpack NS Package Number W14B
Datasheet W144 DatasheetW14B Datasheet (PDF)

www.DataSheet4U.com W14B January 1995 14 Lead Ceramic Flatpack NS Package Number W14B All dimensions are in inches LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or systems which (a) are intended for surgical implant into the body or (b) support or sustain life an.

  W144   W144







Part Number W149
Manufacturers Cypress Semiconductor
Logo Cypress Semiconductor
Description 440BX AGPset Spread Spectrum Frequency Synthesizer
Datasheet W144 DatasheetW149 Datasheet (PDF)

W149 440BX AGPset Spread Spectrum Frequency Synthesizer Features • Maximized EMI suppression using Cypress’s Spread Spectrum Technology • Single chip system frequency synthesizer for Intel® 440BX AGPset • Two copies of CPU output • Six copies of PCI output • One 48-MHz output for USB • One 24-MHz output for SIO • Two buffered reference outputs • One IOAPIC output • Thirteen SDRAM outputs provide support for 3 DIMMs • Spread Spectrum feature always enabled • I2C™ interface for programming • Powe.

  W144   W144







440BX AGPset Spread Spectrum Frequency Synthesizer

PRELIMINARY W144 440BX AGPset Spread Spectrum Frequency Synthesizer Features • Maximized EMI suppression using Cypress’s Spread Spectrum technology • Single chip system frequency synthesizer for Intel® 440BX AGPset • Two copies of CPU output • Six copies of PCI output • One 48-MHz output for USB • One 24-MHz output for SIO • Two buffered reference outputs • One IOAPIC output • Thirteen SDRAM outputs provide support for 3 DIMMs • Supports frequencies up to 150 MHz • I2C™ interface for programming • Power management control inputs Table 1. Mode Input Table Mode 0 1 PCI_STOP# REF0 Pin2 Table 2. Pin Selectable Frequency FS3 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 Input Address CPU_F, CPU1 FS2 FS1 FS0 (MHz) PCI_F, 1:5 (MHz) 1 1 1 133.3 33.3 (CPU/4) 1 1 0 124 31 (CPU/4) 1 0 1 150 37.5 (CPU/4) 1 0 0 140 35 (CPU/4) 0 1 1 105 35 (CPU/3) 0 1 0 110 36.7 (CPU/3) 0 0 1 115 38.3 (CPU/3) 0 0 0 120 40 (CPU/3) 1 1 1 100 33.3 (CPU/3) 1 1 0 133.3 44.43 (CPU/3) 1 0 1 112 37.3 (CPU/3) 1 0 0 103 34.3 (CPU/3) 0 1 1 66.8 33.4 (CPU/2) 0 1 0 83.3 41.7 (CPU/2) 0 0 1 75 37.5 (CPU/2) 0 0 0 124 41.3 (CPU/3) Key Specifications CPU Cycle-to-Cycle Jitter: . 250 ps CPU to CPU Output Skew: 175 ps PCI to PCI Output Skew: .... 500 ps VDDQ3: ... 3.3V±5% VDDQ2: ... 2.5V±5.


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