Microchip SY89544U Handleiding
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2019 Microchip Technology Inc.DS20006174A-page 1
SY89544U
Features
•Selects Among Four Differential Inputs
•Guaranteed AC Performance over Temperature
and Voltage:
-DC-to >3.2Gbps Data Rate Throughput
-<510ps In-to-Q t
PD
-<150ps t
r
/t
f
•Ultra Low-Jitter Design:
-<1ps
RMS
Random Jitter
-<10ps
PP
Deterministic Jitter
-<10ps
PP
Total Jitter (Clock)
-<0.7ps
RMS
Crosstalk-Induced Jitter
•Unique Input Isolation Design Minimizes
Crosstalk
•Internal Input Termination
•Unique Input Termination and VT Pin Accepts
DC-Coupled and AC-Coupled Inputs (LVDS,
LVPECL, CML)
•350mV LVDS Output Swing
•CMOS/TTL-Compatible MUX Select
•Power Supply 2.5V ±5%
•–40°C to +85°C Temperature Range
•Available in 32-Lead (5mm x 5mm) QFN
Package
Applications
•SONET/SDH Channel Select
•Fibre Channel Multi-Channel Select
•Gigabit Ethernet Multi-Channel Select
General Description
The SY89544U is a fast, low-jitter, 4:1 differential MUX
with an LVDS-compatible (350mV) output with
guaranteed data rate throughput of 3.2Gbps over
temperature and voltage.
The SY89544U differential inputs include a unique,
3-pin internal termination that allows access to the
termination network through a VT pin. This feature
allows the device to easily interface to different logic
standards, both AC- and DC-coupled without external
resistor-bias and termination networks. The result is a
clean, stub-free, low-jitter interface solution.
The SY89544U operates from a single 2.5V supply and
is guaranteed over the full industrial temperature range
(–40°C to +85°C). For applications that require a 3.3V
supply, consider the SY89545L. For applications that
require two differential outputs, consider the
SY89546U or SY89547L. The SY89544U is part of
Microchip’s Precision Edge
®
product family.
Package Type
United States Patent No. RE44,134
SY89544U
32-Lead 5x5 QFN (M)
24
23
22
21
20
19
18
17
VCC
IN3
VT3
/IN3
VCC
SEL1
GND
VCC
VCC
/IN0
VT0
IN0
VCC
SEL0
GND
VCC
1
2
3
4
5
6
7
8
910111213141516
3231302928272625
VCC
VCC
/IN1
VT1
IN1
IN2
VT2
/IN2
GND
GND
/Q
Q
GND
NC
NC
GND
2.5V, 3.2Gbps, Differential 4:1 LVDS Multiplexer
with Internal Input Termination
Product specificaties
| Merk: | Microchip |
| Categorie: | Niet gecategoriseerd |
| Model: | SY89544U |
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