SY89855UMG Micrel Inc, SY89855UMG Datasheet - Page 11

• Manufacturer Part Number: SY89855UMG
• Description: IC,ANALOG MUX,QUAD,2-CHANNEL,LLCC,32PIN,PLASTIC
• Manufacturer: Micrel Inc
• Type: Multiplexerr
• Series: SY89r

Specifications of SY89855UMG

• Circuit: 1 x 4:1
• Independent Circuits: 1
• Voltage Supply Source: Single Supply
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-MLF®, QFN
• Number Of Clock Inputs: 4
• Mode Of Operation: Differential
• Output Logic Level: LVPECL
• Operating Supply Voltage (min): 2.375V
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Package Type: MLF
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Signal Type: CML/LVDS/LVPECL
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output High, Low: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-2101-5; SY89855UMG

Micrel, Inc.
Output Interface Applications
LVPECL has high input impedance, very low output
(open emitter) impedance, and small signal swing,
which result in low EMI. LVPECL is ideal for driving
50Ω and 100Ω controlled impedance transmission
lines. There are different techniques for terminating
Related Product and Support Documentation
August 2007
Note:
For a 2.5V system, R = 50Ω.
Part Number
SY58029U
HBW Solutions
Note:
For a 2.5V system, R1 = 250Ω, R2 = 62.5Ω.
Figure 4a. Parallel Thevenin-Equivalent
Figure 4c. AC-Coupled Termination
Function
Ultra Precision Differential LVPECL 4 :1
MUX with 1 :2 Fanout Internal Termination
New Products and Applications
Termination
Data Sheet Link
www.micrel.com/product-info/products/sy58029u.shtml.
www.micrel.com/product-info/products/solutions.shtml
Note:
For a 2.5V system, R1 = 250Ω, R2 = 62.5 Ω.
11
LVPECL
equivalent, parallel termination (3-resistor), and AC-
coupled termination. Unused output pairs may be left
floating; however, single-ended outputs must be
terminated or balanced.
Note:
1. For a 2.5V system, Rb = 19Ω.
Figure 4d. Parallel Thevenin-Equivalent
outputs:
Figure 4b. Parallel Termination
[e-mail]
Termination
(3-Resistor)
parallel
termination
or [phone]
M9999-082907-C
SY89855U
thevenin-