sy55851a Micrel Semiconductor, sy55851a Datasheet

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sy55851a

Manufacturer Part Number
sy55851a
Description
2.5v/3v, 3.0ghz Cml Anygate Any Logic With 50ohm Or 100ohm Outputs
Manufacturer
Micrel Semiconductor
Datasheet

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Part Number:
sy55851aUKG
Manufacturer:
MICREL
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sy55851aUKG
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Micrel, Inc.
AnyGate is a registered trademarks of Micrel, Inc.
SuperLite is trademarks of Micrel, Inc.
M9999-110705
hbwhelp@micrel.com or (408) 955-1690
FEATURES
APPLICATIONS
Guaranteed AC parameters over temperature:
• f
• t
• Propagation delay < 280ps
Guaranteed operation over –40 C to +85 C
temperature range
Wide supply voltage range: 2.3V to 3.6V
Single IC provides 8 logic functions
2:1 MUX capability
Fully differential I/O
Source terminated CML outputs for fast edge rates:
• SY55851 for 100 load
• SY55851A for 50 load
Guaranteed matched propagation delays:
• Select (S)-to-out: < 280ps
• Input (A and B)-to-out: < 280ps
Accepts PECL, LVPECL, CML input signals
Functions as a PECL/LVPECL-to-CML translator
Available in a 10-pin (3mm
Port bypass
Data communication systems
Wireless communication systems
Telecom systems
MAX
r
/ t
f
< 100ps
> 3.0GHz (SY55851A)
3mm) MSOP package
2.5V/3V, 3.0GHz CML
AnyGate
WITH 50 or 100 OUTPUTS
®
1
ANY LOGIC
universal logic gates capable of up to 3.0GHz operation
(SY55851A). These AnyGate
will produce all possible logic functions of two Boolean
variables. They can be configured as any of the following
gates: AND, NAND, OR, NOR, XOR, XNOR, DELAY,
NEGATION (NOT). The SY55851 and SY55851A can
also function as a 2-input multiplexer.
loads, and the SY55851A is optimized for 50
The differential inputs for both devices are normally
terminated with a single resistor (100 ) between the true
and complement pins.
DESCRIPTION
FUNCTIONAL BLOCK DIAGRAM
The SY55851 and SY55851A are highly flexible,
The SY55851 has an output stage optimized for 100
S
A
B
2
2
2
0
1
®
S
differential logic devices
2
Rev.: D
Issue Date: November 2005
Q
SuperLite™
SY55851A
SuperLite™
SY55851
SuperLite™
Amendment: /0
SY55851A
SY55851
loads.

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sy55851a Summary of contents

Page 1

... NEGATION (NOT). The SY55851 and SY55851A can also function as a 2-input multiplexer. The SY55851 has an output stage optimized for 100 loads, and the SY55851A is optimized for 50 The differential inputs for both devices are normally terminated with a single resistor (100 ) between the true and complement pins ...

Page 2

... Industrial 851A Industrial 851U with Pb-Free bar-line indicator Industrial 851U with Pb-Free bar-line indicator Industrial 851A with Pb-Free bar-line indicator Industrial 851A with Pb-Free bar-line indicator = Electricals only. A SY55851 SY55851A Lead Finish Sn-Pb Sn-Pb Sn-Pb Sn-Pb Pb-Free NiPdAu Pb-Free NiPdAu Pb-Free NiPdAu Pb-Free NiPdAu ...

Page 3

... In particular, no input pin should be directly connected to ground. All NC (no connect) pins should be unconnected For V (1) NC VCC Figure 2. Hard Wiring A Logic “0” 3 SuperLite™ SY55851 SY55851A 3.0V, leave both inputs CC . For and leave CC Input /Input 3.0V Applications CC Input ...

Page 4

... OR/NOR XOR/XNOR DELAY/NEGATION 2:1 MUX SuperLite™ SY55851A ...

Page 5

... SY55851A Figure 3b. Differentially Terminated SY55851A 100 50 100 50 Figure 4. Interfacing TTL-to-CML Select Inputs 5 ...

Page 6

... Actual voltage levels and differential swing will depend on customer termination scheme. Refer to the “CML Termination” diagram for more details. Note 4. Applies to SY55851: 200 termination resistor across Q and /Q. See Figure 3a. Note 5. Applies to the SY55851. See Figure 3c. Note 6. Applies to the SY55851A: 100 termination resistor across Q and /Q. See Figure 3b. M9999-110705 hbwhelp@micrel.com or (408) 955-1690 (1) Rating –Still-Air (multi-layer PCB) – ...

Page 7

... SY55851 f SY55851A Note 1. SY55851: outputs terminated to 50 equivalent load. See Figure 3c. SY55851A: outputs terminated to 50 load. See Figure 3b Note 2. Specification for packaged product only. Note 3. f represents a maximum toggle rate in which the output still meets CML logic swing. MAX M9999-110705 hbwhelp@micrel ...

Page 8

... Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify M9999-110705 hbwhelp@micrel.com or (408) 955-1690 + 1 (408) 474-1000 FAX WEB Micrel for any damages resulting from such use or sale. © 2005 Micrel, Incorporated. 8 Rev. 00 http://www.micrel.com SuperLite™ SY55851 SY55851A ...

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