SUPERLITE™
SY55851A
2.5V/3.3V, 3.0GHz CML AnyGate®Any Logic with 50 Outputs
Features
General Description
• Guaranteed AC Parameters Over Temperature:
- fMAX > 3.0GHz
- tr / tf < 100ps
- Propagation delay < 280ps
• Guaranteed Operation Over -40° 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 (50 Load)
• Guaranteed Matched Propagation Delays:
- Select (S)-to-out: < 280ps
- Input (A and B)-to-out: < 280ps
• Accepts LVPECL and CML Input Signals
• Functions as LVPECL-to-CML Translator
• Available in a 10-pin (3mm x 3mm) MSOP
Package
The SY55851A is a highly flexible, universal logic gate
capable of up to 3.0GHz operation. This AnyGate
differential logic device will produce all possible logic
functions of two Boolean variables. It can be configured
as any of the following gates: AND, NAND, OR, NOR,
XOR, XNOR, DELAY, NEGATION (NOT). The
SY55851A can also function as a 2-input multiplexer.
Applications
•
•
•
•
Port bypass
Data communication systems
Wireless communication systems
Telecom systems
2019 Microchip Technology Inc.
The SY55851A has an output stage optimized for 50Ω
loads.
Package Type
SY55851A
10-Pin
MSOP
(K10-1)
S 1
10 VCC
/S 2
9 /B
A 3
8 B
/A 4
7 Q
GND 5
6 /Q
DS20006135A-page 1
SUPERLITE™
SY55851A
Functional Block Diagram
S
A
B
2019 Microchip Technology Inc.
2
2
2
0 S
2
Q
1
DS20006135A-page 2
SUPERLITE™
SY55851A
1.0
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings †
Supply Voltage, VCC.................................................................................................................................. –0.5V to +6.0V
Input Voltage, VIN ...............................................................................................................................–0.5V to VCC +0.5V
CML Output Voltage, VOUT .............................................................................................................VCC -1.0 to VCC+0.5V
† Notice: 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 ratings conditions for extended periods may affect device reliability.
TABLE 1-1:
DC CHARACTERISTICS
Electrical Characteristics: VCC= 2.3V to 3.6V; GND = 0V; TA = –40°C to +85°C unless otherwise stated (Note 1)
Parameters
Power Supply Voltage
Sym.
Min.
Typ.
Max.
Units
VCC
2.3
—
3.6
V
—
46
60
mA
No Load
VCC
V
No Load
V
No Load
Power Supply Current
ICC
Output High Voltage
VOH
VCC-0.040 VCC-0.010
Output Low Voltage
VOL
VCC-1.000 VCC-0.800 VCC-0.650
Output Voltage Swing
(Note 2)
VOUT
—
0.400
—
V
Output Source Impedance
ROUT
40
50
60
Input High Voltage
VIH
1.6
—
VCC
V
Input Low Voltage
VIL
1.5
—
VCC-0.1
V
Differential Input Voltage
VID
100
—
—
mV
Conditions
Note 1: Devices are designed to meet the DC specifications shown in the above table after thermal equilibration
has been established. The circuit is in a test socket or mounted on a printed circuit board and transverse
airflow greater than 500lfpm is maintained.
2: Outputs are terminated through a 100resistor across Q and /Q. See Figure 6-1.
TABLE 1-2:
AC ELECTRICAL CHARACTERISTICS
Electrical Characteristics: VCC = 2.3V to 3.6V; GND = 0V; TA = -40°C to 85°C, unless otherwise stated (Note 1,
Note 2)
Parameter
Symbol
Min.
Typ.
Max.
Units
fMAX
3.0
—
—
GHz
Propagation Delay
(A,B,S to Q)
tPD
130
—
280
ps
Output Rise/Fall Time
Q
(20% to 80%)
tr, tf
—
65
100
ps
Maximum Operating
Frequency
Note 1:
2:
Condition
Specification for packaged product only.
Outputs are terminated through a 100 resistor across Q and /Q. See Figure 6-1.
2019 Microchip Technology Inc.
DS20006135A-page 3
SUPERLITE™
SY55851A
TABLE 1-3:
TEMPERATURE SPECIFICATIONS
Parameters
Sym. Min. Typ. Max. Units
Conditions
Temperature Ranges
Operating Temperature Range
Storage Temperature Range
Lead Temperature
TA
–40
—
+85
°C
TS
–65
—
+150
°C
TLEAD
—
—
+260
°C
—
113
—
°C/W Still Air
—
96
—
°C/W 500lfpm
—
42
—
°C/W
Soldering, 20s
Thermal Resistances
Junction-to-Ambient
JA
Junction-to-Case
JC
2019 Microchip Technology Inc.
DS20006135A-page 4
SUPERLITE™
SY55851A
2.0
FUNCTIONAL DESCRIPTION
2.1
Establishing Static Logic Inputs
The true pin of an input pair is internally biased to
ground through a 75kresistor. The complement pin of
an input pair is internally biased to VCC/2 through an
internal voltage divider consisting of two 75k
resistors. Since some logic functions necessitate an
output to be connected to two inputs, SY55851A inputs
have no internal terminations. For typical terminations
see Section 5.0, Input Interface Applications.
VCC
Input
NC
/Input
To keep an input at static logic zero at VCC 3.0V,
leave both inputs unconnected or tie the complement
input to VCC. For VCC < 3.0V applications, connect the
complement input to VCC and leave the true input
unconnected. These are the only safe ways to cause
inputs to be at a static value. In particular, no input pin
should be directly connected to ground. All NC (No
Connect) pins should be unconnected.
NC
Input
NC
/Input
VCC ≥ 3.0V
FIGURE 2-1:
Hard Wiring a Logic “1” ( 1 )
Note 1: Input is either A, B, S input, and /Input is
either /A, /B, /S input.
NC
Input
/Input
VCC
For VCC < 3.0V Applications
FIGURE 2-2:
2019 Microchip Technology Inc.
Hard Wiring a Logic “0” ( 1 )
DS20006135A-page 5
SUPERLITE™
SY55851A
3.0
TRUTH TABLES
AND/NAND
S
A /S
/A
B
/B
NC
VCC
Q .
/Q .
A
B
S
Q
/Q
L
L
L
L
L
H
L
H
L
L
H
H
L
L
L
H
H
H
H
L
OR/NOR
VCC NC
S
A /S
/A
B
/B
Q
/Q
A
B
S
Q
/Q
L
H
L
H
H
H
H
H
L
L
H
H
L
H
H
H
H
L
L
L
XOR/XNOR
S
A /S
/A
B
/B
NC
Q
/Q
VCC
S
A /S
/A
B
/B
0
B
1
Q
/Q
Q
/Q
L
H
L
H
L
H
H
L
H
L
L
H
A
B
S
Q
/Q
L
H
X
X
L
L
L
H
H
L
NC
Q
/Q
A
B
S
Q
/Q
X
X
L
H
H
H
L
H
H
L
S
Q
/Q
H
L
B
A
/B
/A
2:1 MUX
Q
2019 Microchip Technology Inc.
S
H
H
L
L
S
A
B
L
L
H
H
DELAY/NEGATION
VCC
S
A /S
/A
B
/B
A
DS20006135A-page 6
SUPERLITE™
SY55851A
4.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 4-1.
TABLE 4-1:
PIN FUNCTION TABLE
Pin Number
Symbol
Description
1, 2
S, /S
CML, LVPECL, LVTTL Input Selector: This is one of the differential inputs
to the logic block. It represents either one Boolean input for a 2-variable
logic function, or the select input for a 2-input MUX. See Section 5.0, Input
Interface Applications.
3, 4
A, /A
CML, LVPECL Input: This is one of the differential inputs to the logic block.
For a 2-variable logic function, it is either a constant value or a Boolean
input. For a 2-input MUX, this signal represents the output when S is set
to logic zero. See Section 5.0, Input Interface Applications.
5
GND
Negative Supply Voltage
6, 7
/Q, Q
Differential CML Output: This is the differential CML output for the logic
block. See Section 6.0, CML Output Termination.
8, 9
B, /B
CML, LVPECL Input: This is one of the differential inputs to the logic
block. For a 2-variable logic function, it is either a constant value or a
Boolean input. For a 2-input MUX, this signal represents the output when
S is set to logic one. See Section 5.0, Input Interface Applications.
10
VCC
Positive Supply Voltage
2019 Microchip Technology Inc.
DS20006135A-page 7
SUPERLITE™
SY55851A
5.0
INPUT INTERFACE
APPLICATIONS
6.0
All inputs to the SY55851A must be externally
terminated. All inputs accept the output from any other
member of this family.
VCC ≥ VCC (Driver)
VCC (Driver)
CML OUTPUT TERMINATION
All outputs are source terminated 50 CML differential
drivers as shown in Figure 6-1 below.
VCC
50
50
Q
50
/Q
50
100
A, B or S
CML
SY55851A
100Ω
16mA
/A, /B or /S
FIGURE 5-1:
CML-DC Coupled.
FIGURE 6-1:
Differentially Terminated
(50 Load CML Output).
VCC ≥ VCC (Driver)
VCC (Driver)
VCC
VCC
A, B or S
1k
SY55851A
LVPECL
/A, /B or /S
50Ω
VCC
TTL
Driver
VCC ≥ VCC (TTL Driver)
549
1k
SY55851A
S
50Ω
/S
1.47k
VCC (Driver) - 2V
FIGURE 5-2:
LVPECL-DC Coupled ( 1 )
Note 1: VCC (Driver) and VCC 3V
FIGURE 6-2:
Select Inputs.
2019 Microchip Technology Inc.
Interfacing TTL-to-CML
DS20006135A-page 8
SUPERLITE™
SY55851A
7.0
PACKAGING INFORMATION
7.1
Package Marking Information
Legend: XX...X
Y
YY
WW
NNN
e3
*
Product code or customer-specific information
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC® designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator ( e3 )
can be found on the outer packaging for this package.
●, ▲, ▼ Pin one index is identified by a dot, delta up, or delta down (triangle
mark).
Note:
In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for customer-specific information. Package may or may not include
the corporate logo.
Underbar (_) and/or Overbar (‾) symbol may not be to scale.
2019 Microchip Technology Inc.
DS20006135A-page 9
SUPERLITE™
SY55851A
10-Lead MSOP Package Outline and Recommended Land Pattern
Note:
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
2019 Microchip Technology Inc.
DS20006135A-page 10
SUPERLITE™
SY55851A
APPENDIX A:
REVISION HISTORY
Revision A (February 2019)
• Converted Micrel document M999-072909 to
Microchip data sheet template DS20006135A.
• Minor text changes throughout.
2019 Microchip Technology Inc.
DS20006135A-page 11
SUPERLITE™
SY55851A
NOTES:
2019 Microchip Technology Inc.
DS20006135A-page 12
SUPERLITE™
SY55851A
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, contact your local Microchip representative or sales office.
Examples:
PART NO.
X
X
X
X
XX
Device
Feature
Supply
Voltage
Range
Package
Junction
Temperature
Range
Special
Processing
2.5V/3.3V, 3.0 GHz CML AnyGate® Any Logic
with 50Ω Outputs
Device:
SY55851:
Feature:
A
=
Optimized for 50Ω Loads
Supply Voltage
Range:
U
=
2.5V/3.3V
Package:
K
=
10-Lead MSOP
Temperature
Range:
G
=
–40C to +85C (NiPdAu Lead Free)
Special
Processing:
=
TR
=
a) SY55851AUKG:
SY55851, Optimized for 50Ω Loads, 2.5V/3.3V Output
Voltage, 10-Lead MSOP, –40°C to +85°C Junction
Temperature Range, 100/Tube
b) SY55851AUKGTR:
SY55851, Optimized for 50Ω Loads, 2.5V/3.3V Output
Voltage, 10-Lead MSOP, –40°C to +85°C Junction
Temperature Range, 1,000/Reel
Note 1:
Tape and Reel identifier only appears in the
catalog part number description. This identifier is
used for ordering purposes and is not printed on
the device package. Check with your Microchip
Sales Office for package availability with the
Tape and Reel option.
100/Tube
1,000/Reel
2019 Microchip Technology Inc.
DS20006135A-page 13
SUPERLITE™
SY55851A
NOTES:
2019 Microchip Technology Inc.
DS20006135A-page 14
Note the following details of the code protection feature on Microchip devices:
•
Microchip products meet the specification contained in their particular Microchip Data Sheet.
•
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
•
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
•
Microchip is willing to work with the customer who is concerned about the integrity of their code.
•
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR
WARRANTIES OF ANY KIND WHETHER EXPRESS OR
IMPLIED, WRITTEN OR ORAL, STATUTORY OR
OTHERWISE, RELATED TO THE INFORMATION,
INCLUDING BUT NOT LIMITED TO ITS CONDITION,
QUALITY, PERFORMANCE, MERCHANTABILITY OR
FITNESS FOR PURPOSE. Microchip disclaims all liability
arising from this information and its use. Use of Microchip
devices in life support and/or safety applications is entirely at
the buyer’s risk, and the buyer agrees to defend, indemnify and
hold harmless Microchip from any and all damages, claims,
suits, or expenses resulting from such use. No licenses are
conveyed, implicitly or otherwise, under any Microchip
intellectual property rights unless otherwise stated.
Trademarks
Microchip received ISO/TS-16949:2009 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
Tempe, Arizona; Gresham, Oregon and design centers in California
and India. The Company’s quality system processes and procedures
are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
SQTP is a service mark of Microchip Technology Incorporated in
the U.S.A.
QUALITY MANAGEMENT SYSTEM
CERTIFIED BY DNV
The Microchip name and logo, the Microchip logo, AnyRate, AVR,
AVR logo, AVR Freaks, BitCloud, chipKIT, chipKIT logo,
CryptoMemory, CryptoRF, dsPIC, FlashFlex, flexPWR, Heldo,
JukeBlox, KeeLoq, Kleer, LANCheck, LINK MD, maXStylus,
maXTouch, MediaLB, megaAVR, MOST, MOST logo, MPLAB,
OptoLyzer, PIC, picoPower, PICSTART, PIC32 logo, Prochip
Designer, QTouch, SAM-BA, SpyNIC, SST, SST Logo,
SuperFlash, tinyAVR, UNI/O, and XMEGA are registered
trademarks of Microchip Technology Incorporated in the U.S.A.
and other countries.
ClockWorks, The Embedded Control Solutions Company,
EtherSynch, Hyper Speed Control, HyperLight Load, IntelliMOS,
mTouch, Precision Edge, and Quiet-Wire are registered
trademarks of Microchip Technology Incorporated in the U.S.A.
Adjacent Key Suppression, AKS, Analog-for-the-Digital Age, Any
Capacitor, AnyIn, AnyOut, BodyCom, CodeGuard,
CryptoAuthentication, CryptoAutomotive, CryptoCompanion,
CryptoController, dsPICDEM, dsPICDEM.net, Dynamic Average
Matching, DAM, ECAN, EtherGREEN, In-Circuit Serial
Programming, ICSP, INICnet, Inter-Chip Connectivity,
JitterBlocker, KleerNet, KleerNet logo, memBrain, Mindi, MiWi,
motorBench, MPASM, MPF, MPLAB Certified logo, MPLIB,
MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation,
PICDEM, PICDEM.net, PICkit, PICtail, PowerSmart, PureSilicon,
QMatrix, REAL ICE, Ripple Blocker, SAM-ICE, Serial Quad I/O,
SMART-I.S., SQI, SuperSwitcher, SuperSwitcher II, Total
Endurance, TSHARC, USBCheck, VariSense, ViewSpan,
WiperLock, Wireless DNA, and ZENA are trademarks of
Microchip Technology Incorporated in the U.S.A. and other
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Silicon Storage Technology is a registered trademark of Microchip
Technology Inc. in other countries.
GestIC is a registered trademark of Microchip Technology
Germany II GmbH & Co. KG, a subsidiary of Microchip
Technology Inc., in other countries.
All other trademarks mentioned herein are property of their
respective companies.
© 2019, Microchip Technology Incorporated, All Rights Reserved.
ISBN: 978-1-5224-4128-1
== ISO/TS 16949 ==
2019 Microchip Technology Inc.
DS20006135A-page 15
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DS20006135A-page 16
08/15/18
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