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SY55857LKI, SY55858UHG, SY55858UHI

Table of contents:
Info of SY55857LKI
Info of SY55858UHG
Info of SY55858UHI

SY55857LKI, SY55858UHG, SY55858UHI Selling Leads, Datasheet

MFG:Micrel Inc Category:Integrated Circuits (ICs) Package Cooled:10 D/C:0751

SY55857LKI, SY55858UHG, SY55858UHI Datasheet download

Five Points

Part Number: SY55858UHG

Category: Integrated Circuits (ICs)

MFG: Micrel Inc

Package Cooled: 10

D/C: 0751

Description: IC CROSSPOINT SWITCH DUAL 32TQFP

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SY55858UHG Parameters

Technical/Catalog Information	SY55858UHG
Vendor	Micrel Inc
Category	Integrated Circuits (ICs)
Type	Crosspoint Switch
Voltage Supply Source	Single Supply
Voltage - Supply, Single/Dual (±)	2.3 V ~ 3.6 V
Circuit	2 x 2:2
On-State Resistance	-
Mounting Type	Surface Mount
Package / Case	32-TQFP
Packaging	Bulk
Current - Supply	150mA
Operating Temperature	-40°C ~ 85°C
Function	Crosspoint Switch
Drawing Number	*
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	SY55858UHG SY55858UHG 576 1378 ND 5761378ND 576-1378

SY55858UHI Parameters

Technical/Catalog Information	SY55858UHI
Vendor	Micrel Inc
Category	Integrated Circuits (ICs)
Type	Crosspoint Switch
Voltage Supply Source	Single Supply
Voltage - Supply, Single/Dual (±)	2.3 V ~ 3.6 V
Circuit	2 x 2:2
On-State Resistance	-
Mounting Type	Surface Mount
Package / Case	32-TQFP
Packaging	Tray
Current - Supply	150mA
Operating Temperature	-40°C ~ 85°C
Function	Crosspoint Switch
Drawing Number	*
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	SY55858UHI SY55858UHI

SY55858UHI General Description

The SY55858U is a low-voltage, high-speed dual 2 x 2 crosspoint switch with a flexible input that accepts CML or PECL, and a 50 compatible differential CML (currentmode logic) output. The non-blocking design allows any input to connect to any output. Varying the state of the select inputs allows SY55858U to be used in backup, fault tolerant, protection and backplane distribution applications.

The signal inputs (DA01 and DB01) have a unique internal termination design that allows access to the termination network through VT pins. This feature allows the device to easily interface to other logic standards such as AC-coupled or DC-coupled PECL/LVPECL signals. For applications that require a single-channel 2 x 2 crosspoint, consider the SY55854.

SY55858UHI Maximum Ratings

Symbol	Rating	Value	Unit
V_CC	Power Supply Voltage	0.5 to +6.0	V
V_IN	Input Voltage (VCC = 0V, VIN not more negative than VEE) Input Voltage (VEE = 0V, VIN not more positive than VCC)	0.5 to VCC +0.5	V V
I_OUT	Output Current Continuous Surge	VCC 1.0 to VCC +0.5	mA
T_LEAD	Lead Temperature (soldering, 20sec.)	+260	°C
T_A	Operating Temperature Range	40 to +85	°C
T_store	Storage Temperature Range	65 to +150	°C
_JA	Package Thermal Resistance Still-Air (SOIC) (Junction-to-Ambient) 500lfpm (SOIC)	28 20	°C/W °C/W
_JC	Package Thermal Resistance (SOIC) (Junction-to-Case) (MSOP)	4	°C/W

Note 1. Permanent device damage may occur if absolute maximum ratings are exceeded. This is a stress rating only and functional operation is not
implied at conditions other than those detailed in the operational sections of this data sheet. Exposure to absolute maximum ratlng conditions
for extended periods may affect device reliability.

SY55858UHI Features

` Guaranteed AC parameters over temperature:
• fMAX > 3.0GHz (3Gbps)
• tr/ tf < 120ps
• Within-device skew < 25ps
` Non-blocking "switch architecture"
` Configurable as dual 2:1 mux, dual 1:2 fanout buffer,
1:4 fanout buffer, quad buffer, or dual 2 x 2 switch
` 50 compatible outputs
` Unique input termination and VT pin for DC-coupled
and AC-coupled input signalsCML or PECL
` Fully differential inputs/outputs
` TTL/CMOS compatible control logic
` Wide supply voltage range: 2.3V to 3.6V
` Wide operating temperature range: 40°C to +85°C
` Available in 32-pin EPAD-TQFP package

SY55858UHI Typical Application

· SONET/SDH optical transport
· Backplane redundancy
· Add-drop Multiplexers

SY55858UHI Connection Diagram

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