ICS557G-08

ICS557G-08 Datasheet

ICS557-08

Part	Datasheet
ICS557G-08	ICS557G-08 (pdf)

Related Parts	Information
ICS557G-08T	ICS557G-08T

PDF Datasheet Preview
2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS DATASHEET ICS557-08 The ICS557-08 is a 2:1 multiplexer chip that allows the user to select one of the two HCSL Host Clock Signal Level or LVDS input pairs and fan out to one pair of differential HCSL or LVDS outputs. This chip is suited especially for PCI-Express applications, where there is a need to select the PCI-Express clock either locally from the PCI-E card or from the motherboard. • Packaged in 16-pin TSSOP • Available in Pb lead free package • Operating voltage of V • Low power consumption • Input clock frequency of up to 200 MHz for HCSL and up to 100 MHz for LVDS NOTE EOL for non-green parts to occur on 5/13/10 per PDN U-09-01 Block Diagram 2 to 1 SEL GND Rr IREF IDT / ICS 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS ICS557-08 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS PCIE MULTIPLEXER Pin Assignment VDD 1 IN1 2 IN1 3 PD 4 IN2 5 IN2 6 OE 7 GND 8 16 SEL 15 CLK 13 GND 12 GND 11 VDD IREF 16-pin 173 mil TSSOP Select Table Input Pair Selected IN2/ IN2 IN1/ IN1 Pin Descriptions Pin Name Pin Type Pin Description Power Connect to V. Supply voltage for Input clocks. Input HCSL/LVDS true input signal Input HCSL/LVDS complimentary input signal Input Powers down the chip and tri-states outputs when low. Internal pull-up Input HCSL/LVDS true input signal Input HCSL/LVDS complimentary input signal Input Provides output or, tri-states output High = enable outputs Low = disable . Internal pull-up resistor. Power Connect to ground. IREF Output Precision resistor attached to this pin is connected to the internal current Power Connect to V. Supply Voltage for Output Clocks. Ordering Information Part / Order Number Marking 557G-08* See Page 9 557G-08T* 557G-08LF 557G-08LFT 557GI-08* See Page 9 557GI-08T* 557GI-08LF 557GI-08LFT Shipping Packaging Tubes Tape and Reel Tubes Tape and Reel Tubes Tape and Reel Tubes Tape and Reel Package 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP Temperature 0 to +70° C 0 to +70° C 0 to +70° C 0 to +70° C -40 to +85° C -40 to +85° C -40 to +85° C -40 to +85° C *NOTE EOL for non-green parts to occur on 5/13/10 per PDN U-09-01 Parts that are ordered with a "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology IDT assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments. IDT / ICS 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS ICS557-08 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS PCIE MULTIPLEXER Originator D.Chan Arvind 02/16/06 05/17/07 06/26/07 09/24/09 10/05/09 Description of Change Added industrial temp range updated PCI-Express Waveform diagram to include V changed “Supply Voltage, VDD” spec in Absolute Max. Ratings from V to 7 V changed CLKOUT to CLK and CLK added marking diagrams for I-temp device. Removed Cycle-to-cycle jitter spec. Added 27mV to VOL max. spec Added EOL note for non-green parts. Updated “Input to Output Delay” parameter. IDT / ICS 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS ICS557-08 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS

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2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS

DATASHEET

ICS557-08

The ICS557-08 is a 2:1 multiplexer chip that allows the user to select one of the two HCSL Host Clock Signal Level or LVDS input pairs and fan out to one pair of differential HCSL or LVDS outputs. This chip is suited especially for PCI-Express applications, where there is a need to select the PCI-Express clock either locally from the PCI-E card or from the motherboard.
• Packaged in 16-pin TSSOP
• Available in Pb lead free package
• Operating voltage of V
• Low power consumption
• Input clock frequency of up to 200 MHz for HCSL and up
to 100 MHz for LVDS

NOTE EOL for non-green parts to occur on 5/13/10 per PDN U-09-01

Block Diagram
2 to 1

SEL GND

Rr IREF

IDT / ICS 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS

ICS557-08 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS

PCIE MULTIPLEXER

Pin Assignment

VDD 1 IN1 2 IN1 3 PD 4 IN2 5 IN2 6 OE 7 GND 8
16 SEL
15 CLK
13 GND
12 GND
11 VDD

IREF
16-pin 173 mil TSSOP

Select Table

Input Pair Selected

IN2/ IN2 IN1/ IN1

Pin Descriptions

Pin Name Pin Type

Pin Description

Power Connect to V. Supply voltage for Input clocks.

Input HCSL/LVDS true input signal

Input HCSL/LVDS complimentary input signal

Input Powers down the chip and tri-states outputs when low. Internal pull-up

Input HCSL/LVDS true input signal

Input HCSL/LVDS complimentary input signal

Input Provides output or, tri-states output High = enable outputs Low = disable .

Internal pull-up resistor.

Power Connect to ground.

IREF

Output Precision resistor attached to this pin is connected to the internal current

Power Connect to V. Supply Voltage for Output Clocks.
Ordering Information

Part / Order Number

Marking
557G-08*

See Page 9
557G-08T*
557G-08LF
557G-08LFT
557GI-08*

See Page 9
557GI-08T*
557GI-08LF
557GI-08LFT

Shipping Packaging

Tubes Tape and Reel

Tubes Tape and Reel

Tubes Tape and Reel

Tubes Tape and Reel

Package
16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP

Temperature
0 to +70° C 0 to +70° C 0 to +70° C 0 to +70° C -40 to +85° C -40 to +85° C -40 to +85° C -40 to +85° C
*NOTE EOL for non-green parts to occur on 5/13/10 per PDN U-09-01

Parts that are ordered with a "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant.

While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology IDT assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments.

IDT / ICS 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS

ICS557-08 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS

PCIE MULTIPLEXER

Originator

D.Chan

Arvind
02/16/06
05/17/07 06/26/07 09/24/09 10/05/09

Description of Change

Added industrial temp range updated PCI-Express Waveform diagram to include V changed “Supply Voltage, VDD” spec in Absolute Max. Ratings from V to 7 V changed CLKOUT to CLK and CLK added marking diagrams for I-temp device.

Removed Cycle-to-cycle jitter spec.

Added 27mV to VOL max. spec

Added EOL note for non-green parts.

Updated “Input to Output Delay” parameter.

IDT / ICS 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS

ICS557-08 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived ICS557G-08 Datasheet file may be downloaded here without warranties.

Datasheet ID: ICS557G-08 637017