Microchip SY58607U Bedienungsanleitung


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2019 Microchip Technology Inc. DS20006227A-page 1
SY58607U
Features
Precision 1:2, 800 mV LVPECL Fanout Buffer
Guaranteed AC Performance over Temperature
and Voltage:
- DC-to >3.2 Gbps Throughput
- <350 ps Propagation Delay (IN-to-Q)
- <20 ps Within-Device Skew
- <110 ps Rise/Fall Times
Fail Safe Input
- Prevents Outputs From Oscillating When
Input is Invalid
Ultra-Low Jitter Design
- 41 fs Additive Phase Jitter
High-Speed LVPECL Outputs
2.5V ±5% or 3.3V ±10% Power Supply Operation
Industrial Temperature Range: –40°C to +85°C
Available in 16-lead (3 mm x 3 mm) QFN
Package
Applications
All SONET Clock and Data Distribution
Fibre Channel Clock and Data Distribution
Gigabit Ethernet Clock And Data Distribution
Backplane Distribution
Markets
• Storage
• ATE
Test and Measurement
Enterprise Networking Equipment
High-End Servers
• Access
Metro Area Network Equipment
General Description
The SY58607U is a 2.5V/3.3V, high-speed, fully
differential 1:2 LVPECL fanout buffer optimized to
provide two identical output copies with less than 20 ps
of skew. The SY58607U can process clock signals as
fast as 2.5 GHz or data patterns up to 3.2 Gbps.
The differential input includes Microchip’s unique,
3-lead input termination architecture that interfaces to
LVPECL, LVDS, or CML differential signals, (AC- or
DC-coupled) as small as 100 mV (200 mVPP) without
any level-shifting or termination resistor networks in the
signal path. For AC-coupled input interface
applications, an integrated voltage reference
(VREF-AC) is provided to bias the VT pin. The outputs
are 800 mV LVPECL, with extremely fast rise/fall times
guaranteed to be less than 110 ps.
The SY58607U operates from a 2.5V ±5% supply or
3.3V ±10% supply and is guaranteed over the full
industrial temperature range (–40°C to +85°C). For
applications that require CML or LVDS outputs,
consider Microchip’s SY58606U and SY58608U, 1:2
fanout buffers with 400 mV and 325 mV output swings
respectively. The SY58607U is part of Microchip’s
high-speed, Precision Edge® product line.
Package Type
SY58607U
3 mm x 3 mm QFN-16 (M)
(Top View)
13141516
12
11
10
9
1
2
3
4
8765
IN
VT
VREF-AC
/IN
Q0
/Q0
Q1
/Q1
VCC
GND
GND
VCC
VCC
GND
GND
VCC
3.2 Gbps Precision, 1:2 LVPECL Fanout Buffer
with Internal Termination and Fail Safe Input
SY58607U
DS20006227A-page 2 2019 Microchip Technology Inc.
Functional Block Diagram
V
T
IN
/IN
ȍ
ȍ
Q
/Q
VREF-AC
2019 Microchip Technology Inc. DS20006227A-page 3
SY58607U
1.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings †
Supply Voltage (VCC) ................................................................................................................................ –0.5V to +4.0V
Input Voltage (VIN) ....................................................................................................................................... –0.5V to V
CC
LVPECL Output Current (IOUT)
Continuous ...................................................................................................................................................50 mA
Surge..........................................................................................................................................................100 mA
Current (IVT)
Source or Sink on VT Pin.........................................................................................................................±100 mA
Input Current
Source or Sink Current on IN, /IN...............................................................................................................±50 mA
Current (IREF)
Source or Sink Current on VREF-AC (Note 1) ......................................................................................... ±1.5 mA
Operating Ratings ††
Supply Voltage (VCC) .......................................................................................................................... +2.375V to +3.60V
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.
†† Notice: The data sheet limits are not guaranteed if the device is operated beyond the operating ratings.
Note 1: Due to the limited drive capability, use for input of the same package only.


Produktspezifikationen

Marke: Microchip
Kategorie: Nicht kategorisiert
Modell: SY58607U

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