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W156HT, W1575, W158

Table of contents:
Info of W156HT
Info of W1575
Info of W158

W156HT, W1575, W158 Selling Leads, Datasheet

MFG:CYPRESS Package Cooled:0 D/C:SOP

W156HT, W1575, W158 Datasheet download

Five Points

Part Number: W156HT

MFG: CYPRESS

Package Cooled: 0

D/C: SOP

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W158 Parameters

W158 Features

Maximized EMI suppression using Cypress’s spread spectrum technology
Intel® CK98 Specification compliant
0.5% downspread outputs deliver up to 10 dB lower EMI
Four skew-controlled copies of CPU output
Eight copies of PCI output (synchronous w/CPU output)
Four copies of 66-MHz fixed frequency 3.3V clock
Two copies of CPU/2 outputs for synchronous memory reference
Three copies of 16.67-MHz IOAPIC clock, synchronous to CPU clock
One copy of 48-MHz USB output
Two copies of 14.31818-MHz reference clock
Programmable to 133- or 100-MHz operation
Power management control pins for clock stop and shut down
Available in 56-pin SSOP

W158 General Description

Clocks and Buffers : Motherboard Clocks

W158 Maximum Ratings

Parameter	Description	Rating	Unit
V_DD, V_IN	Voltage on any pin with respect to GND	0.5 to +7.0	V
T_STG	Storage Temperature	65 to +150	°C
T_A	Operating Temperature	0 to +70	°C
T_B	Ambient Temperature under Bias	55 to +125	°C
ESD_PROT	Input ESD Protection	2 (min.)	KV

W158 Features

Maximized EMI suppression using Cypress’s spread spectrum technology
Intel® CK98 Specification compliant
0.5% downspread outputs deliver up to 10 dB lower EMI
Four skew-controlled copies of CPU output
Eight copies of PCI output (synchronous w/CPU output)
Four copies of 66-MHz fixed frequency 3.3V clock
Two copies of CPU/2 outputs for synchronous memory reference
Three copies of 16.67-MHz IOAPIC clock, synchronous to CPU clock
One copy of 48-MHz USB output
Two copies of 14.31818-MHz reference clock
Programmable to 133- or 100-MHz operation
Power management control pins for clock stop and shut down
Available in 56-pin SSOP

W158 Typical Application

W158 Datasheet

W158 Connection Diagram

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