EQCO400T8
EQCO400T8 UTP Cable Equalizer
Features
General Description
• Multi-Rate Adaptive Equalization for UTP Cables
up to 500 Mbps
• Supports General 8B/10B Coded Signaling over
UTP
• Supports FireWire IEEE 1394b at S400, S200 and
S100 Data Rates
• Seamless Connection with any IEEE1394b
Compliant PHY
• Internal Termination Resistors for Low External
Discrete Count
• Fully Compatible with Power over Ethernet(1)
• Carrier Detect and Mute Functionality with Direct
Light Emitting Diode Driving Capability
• Single 3.3V Supply
• Low-Power Operation
- 42 mA (140 mW) Active
- 4.25 mA (14 mW) Mute
• 16-pin, 0.65 mm Pin Pitch, 4 mm QFN Package
• Pb-free and RoHS Compliant
The EQCO400T8 is a multi-rate adaptive cable equalizer designed to restore signals received over Cat 5 or
Cat 6 Unshielded Twisted Pair (UTP) cable. For correct
operation, the signals must be NRZ (Non-Return-toZero) encoded, DC-balanced with a maximum run
length of 10 bits and have a speed (edge rate) of
between 100 Mbps and 500 Mbps.
Typical Equalization Performance
Device
EQCO400T8
Note 1:
2:
Bit Rate
(8B/10B Coding)
1394 Data Rate
125 Mbps
Range(2) using
Cat 5e
Cat 6
S100
0m-85m
0m-85m
250 Mbps
S200
0m-75m
0m-85m
500 Mbps
S400
0m-50m
0m-75m
IEEE 802.3-2008, clause 33 - "Power over Ethernet" (formerly known as IEEE 802.3af)
Measured on UTP pairs 1, 2, 3 and 6 as per IEEE 1394-2008 using recommended Coilcraft magnetics as
per Table 2-1.
2006-2016 Microchip Technology Inc.
DS60001310B-page 1
EQCO400T8
Table of Contents
1.0
2.0
3.0
4.0
Device Overview .......................................................................................................................................................................... 3
Application Information ................................................................................................................................................................. 9
Electrical Characteristics ............................................................................................................................................................ 11
Packaging................................................................................................................................................................................... 13
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The last character of the literature number is the version number, (e.g., DS30000A is version A of document DS30000).
Errata
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DS60001310B-page 2
2006-2016 Microchip Technology Inc.
EQCO400T8
1.0
DEVICE OVERVIEW
The EQCO400T8 is ideally suited for long-haul IEEE
1394b-2002 connections over Category 5 or Category
6 Ethernet cable at the S400 data rate. It can also be
used at S200 and S100 data rates over even longer
cables, as illustrated in the typical long-haul connection
in Figure 1-1. The EQCO400T8 connects seamlessly
to any IEEE 1394b-2002 compliant physical layer
controller (PHY).
The achievable connection reach with the
EQCO400T8 depends on the input jitter tolerance of
the IEEE 1394 PHY and the quality of the connectors
and cables used. Figure 1-1 shows the typical
performance with CAT5e and CAT6 cables under
nominal conditions.
FIGURE 1-1:
LONG-HAUL IEEE 1394B-2002, IEEE 1394-2008 CONNECTION
Up to 100 meters
IEEE
1394b
Compliant
PHY
EQCO400T
EQCO400T
2006-2016 Microchip Technology Inc.
CAT5/CAT6
UTP
IEEE
1394b
Compliant
PHY
DS60001310B-page 3
EQCO400T8
FIGURE 1-2:
TABLE 1-1:
EQCO400T8 PIN DIAGRAM (VIEWED FROM TOP)
NC
NC
NC
GND
16
15
14
13
SDIp
1
12
SDOp
VCC
2
11
VCC
SDIn
3
10
SDOn
NC
4
9
NC
EQCO
400T.8
GND TAB
5
6
7
8
GND
CLI
LED
NC
EQCO400T8 PIN DESCRIPTIONS
Pin Number
Pin Name
Signal Type
Description
2, 11
VCC
Power
Connect to +3.3V power supply.
5, 13
GND
Power
Connect to power supply ground.
1, 3
SDIp/SDIn
LVDS Input
Differential serial data input pair.
12, 10
SDOp/SDOn
LVDS Output
Differential serial data output pair.
6
CLI
Analog Output
Cable length indicator:
Analog voltage can be used to indicate the length of the cable
being equalized; this gives an indication of the amount of
equalization being applied. A higher output voltage results
from more compensation being used to recover the signal.
Leave unconnected when not used.
7
LED
Output
Carrier detect with light emitting diode driver.
High means a valid input signal, and SDOp/SDOn are turned on.
Low means no RX signal or the signal is too low, and SDOp/
SDOn are muted.
This pin can source up to 3 mA to directly drive an LED.
Leave unconnected when not in use.
4, 8, 9, 14, 15, 16 NC
DS60001310B-page 4
Leave unconnected.
2006-2016 Microchip Technology Inc.
EQCO400T8
FIGURE 1-3:
EQCO400T8 BLOCK DIAGRAM SHOWING ELECTRICAL CONNECTIONS
EQCO400T
Carrier Detect
/Mute
LED
SDIp
Equalizer
Core
SDIn
Output Driver
SDOp
SDOn
CLI
1.1
SDIp/SDIn
SDIp/SDIn together form a differential input pair that is
connected to the receive signal pair of the cable. It is
the differential voltage between these pins that the
EQCO400T8 analyzes and adaptively equalizes for
signal level and frequency response. The equalizer
automatically detects and adapts to signals with
different edge rates, e.g. S100, S200 and S400.
Both SDI+ and SDI- inputs are terminated by 50Ω to
VCC on-chip. It is advised to isolate the inputs from
the UTP via a transformer, as shown in Figure 2-1.
1.2
SDOp/SDOn
SDOp/SDOn together form a differential pair outputting
the reconstructed far-end transmit signal. The signals
can be connected via capacitive coupling directly to the
RX signal pair of a standard IEEE1394b PHY.
1.3
CLI
The EQCO400T, being a fully analog equalizer, has a
continuous transfer function with respect to the equalization applied. CLI (Cable Length Indicator) is an analog output. The voltage on the pin is proportional to the
amount of equalization being applied.
CLI can be used qualitatively to indicate the length of
the cable being equalized; the higher the voltage, the
longer the cable. However the CLI pin voltage depends
on a number of factors, including connector quality,
device temperature and to a certain degree on chip-tochip variations, and as such cannot be used for
accurate cable length measurement.
Figure 1-4 illustrates the voltage at CLI for a typical
CAT6 cable.
The EQCO400T8 uses Current Mode Logic (CML)
drivers with source matching for the 110Ω
transmission line.
2006-2016 Microchip Technology Inc.
DS60001310B-page 5
EQCO400T8
FIGURE 1-4:
CLI VOLTAGE AS A FUNCTION OF CABLE LENGTH (SYSTIMAX CAT6 CABLE)
2.6
2.4
Voltage (V)
2.2
2
1.8
1.6
1.4
1.2
10
1.4
20
30
40
50
60
70
Cable Length (m)
80
90
100
LED
LED is an output that detects and indicates sufficient
differential signal power at SDIp/SDIn for a link to be
established.
If the received signal at the serial inputs is either not
present or too small for proper reconstruction of the
output (i.e. a signal with amplitude < 40 mV) the voltage
on LED is driven low; if sufficient signal power is
detected, the voltage at LED will be driven high. When
high, the pin can source up to 3 mA, enabling it to be
used to directly drive an LED. The LED will thus be on
when a signal is detected, and off otherwise. It is advised
to use a high-efficiency LED. The output from this pin is
current limited, and no series resistor is required.
DS60001310B-page 6
2006-2016 Microchip Technology Inc.
EQCO400T8
1.5
Equalizer Operation
FIGURE 1-5:
PRINCIPLE OF EQUALIZER OPERATION
The EQCO400T8 is an equalizer with unique
characteristics:
• Auto-adaptive
Note 1: IEEE 1394-2008, Standard for HighPerformance Serial Bus
The equalizer controls a multiple-pole analog filter
which compensates for attenuation of the cable, as
illustrated in Figure 1-5. The filter frequency response
needed to restore the signal is automatically determined
by the device using a time-continuous feedback loop
that measures the frequency components in the signal.
Upon the detection of a valid signal, the control loop
converges within a few microseconds.
• Variable gain
The EQCO400T8 has variable gain to work
independently of the transmit amplitude of the line driver.
The equalizer can be used with any IEEE1394b compliant
transmitter. The standard(1) requires a differential transmit
amplitude in the range of 475 mV to 800 mV.
• Multi-speed
The EQCO400T8 works at data rates from 100 Mbps
to 500 Mbps. In particular, it supports the S400, S200
and S100 data rates specified in the IEEE Standard
1394b-2002.
• Carrier detect/auto-mute to save power
The EQCO400T8 will automatically mute its output
driver when no incoming signal is present. The
EQCO400T8 estimates the remote transmit amplitude
by measuring the low-frequency components of the
signal. When the low-frequency amplitude is
approximately 190 mV or higher, the output stage is
turned on. Auto-mute reduces the power consumption
from 140 mW to less than 14 mW.
Example equalizer performance measurements can be
found in Appendix B: Typical Operating Characteristics.
2006-2016 Microchip Technology Inc.
DS60001310B-page 7
EQCO400T8
NOTES:
DS60001310B-page 8
2006-2016 Microchip Technology Inc.
EQCO400T8
2.0
APPLICATION INFORMATION
Figure 2-1 illustrates a typical schematic implementation.
In this diagram, data is transmitted on pins 1 and 2, and
received on pins 3 and 6 of the RJ45.
FIGURE 2-1:
EQCO400T-8 TYPICAL APPLICATION CIRCUIT
Coilcraft
0603USB-222ML
RJ45
1
2
3
4
5
6
7
8
0.1uF 0.1uF
Coilcraft
WBC1-TLB
PHY
Termination
Network
Check PHY
datasheet
3V3
TPB
6p8
TPB*
Keep Close to PHY!
1394b
PHY
(part)
Coilcraft
WBC1-TLB
GND
0.1uF
SDOp
VCC
SDOn
SDIp
VCC
SDIn
0.1uF
LED
0.1uF
CLI
0.1uF
0.1uF
GND
Coilcraft
0603USB-222ML
Coilcraft
0603USB-222ML
GND
Coilcraft
0603USB-222ML
PHY
Termination
Network
Check PHY
datasheet
TPA
TPA*
Keep Close to PHY!
0.1uF
GND
GND
GND
Light Emitting Diode
Remove Power planes below these components
GND
To improve isolation from noise on the board power
plane, it is recommended to power the equalizer
through a ferrite bead. A 0.1 μF decoupling capacitor
should be placed as close as possible to each VCC pin.
Ground vias should be placed as close as possible to
the device GND pins to minimize inductance. To
reduce electromagnetic emissions, it may be advised
to place a 6.8 pF capacitor in between TPB and TPB*
(transmit LVDS) of the PHY to reduce the rise/fall time
of the transmitted signals. If fitted, the capacitor should
be placed as close as possible to the pins of the PHY.
2006-2016 Microchip Technology Inc.
DS60001310B-page 9
EQCO400T8
2.1
Guidelines for PCB Layout
Because signals are strongly attenuated by a long
cable, special attention must be paid on the PCB layout
between the RJ45 connector and the EQCO400T. The
EQCO400T8 should be as close as is practical to the
RJ45 connector. Traces between the RJ45, the
transformer and the EQCO400T8 should be either
single-ended 50Ω traces or, preferably, differential
traces with a differential impedance of 100Ω. To avoid
noise pickup, these traces should be placed as far away
as possible from other traces carrying digital signals or
fast switching signals. All differential traces should be
matched in length to minimize time of arrival skew.
For best EMC performance, identical common-mode
chokes should be used on the unused pairs to those
used on the signal pairs as shown in Figure 2-1. This
ensures the impedance seen by all conductors in the
UTP cable is the same.
A reference design is available on request.
2.2
Recommended Magnetics
The following magnetics are recommended for use
with EQCO400T:
TABLE 2-1:
RECOMMENDED MAGNETICS
Component
Part Number
Transformers (1:1 with center tap)
Two per channel
Coilcraft WBC1-1TLB
Common-mode chokes
Four per channel
Coilcraft 1206USB-113MLB
Note:
2.3
Operation with magnetics other than the recommended components cannot be guaranteed.
Connector Pins and Cable
Connection
The EQCO400T8 does not support auto-crossover. If
required, this must be implemented externally to the
device.
To be the same as 100BaseT Ethernet, IEEE Standard
1394-2008 recommends that data is transmitted on
RJ45 pins 1 and 2, and received on pins 3 and 6. If both
sides of the long-haul UTP connection are configured in
this way, a crossover cable or patch cord must be used.
If one side of the UTP connection transmits data on
RJ45 pins 1 and 2 and receives data on pins 3 and 6,
and the other side transmits data on RJ45 pins 3 and 6
and receives data on pins 1 and 2, a straight-through
cable must be used.
2.4
Supplying Power over the UTP
Cable
The EQCO400T8 is fully compatible with the Power
Over Ethernet standard, allowing standard POE chip
sets to be used at the ends of the cable to transmit
power to a remote device. The unused pairs (RJ45 pins
4,5 and 7,8) are most easily used for the transmission
of power. The signal pairs can also be used as specified in the standard, but in this case, careful choice of
magnetic components is required to conform to both
the DC requirements of POE and the AC requirements
of IEEE-1394.
A POE reference design is available on request.
If maximum reach is the highest priority and if a closed
system is created, it is recommended to use pins 1 and
2 for transmit (receive) and pins 7 and 8 for receive
(transmit). This reduces near-end crosstalk (NEXT)
significantly, which will give a bonus on the maximum
cable span; especially for CAT5e.
DS60001310B-page 10
2006-2016 Microchip Technology Inc.
EQCO400T8
3.0
ELECTRICAL CHARACTERISTICS
3.1
Absolute Maximum Ratings
Stresses beyond those listed under this section may
cause permanent damage to the device. These are stress
ratings only and are not tested. Functional operation of
the device at these or any other conditions beyond those
indicated in the operational sections are not implied.
Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
TABLE 3-1:
ABSOLUTE MAXIMUM RATINGS
Parameter
Min.
Typ.
Max.
Units
Storage Temperature
-65
—
+150
°C
Ambient Temperature
-55
—
+125
°C
Power Applied
Operating Temperature
-40
—
+85
°C
Normal Operation
(VCC = 3.3V ±5%)
Supply Voltage to Ground
-0.5
—
+4.0
V
DC Input Voltage
-0.5
—
+4.0
V
DC Voltage to Outputs
-0.5
—
+4.0
V
—
—
90
mA
Current into Outputs
TABLE 3-2:
Conditions
Outputs Low
MAXIMUM CURRENT CONSUMPTION AT 3.3V
Description
Max
Unit
No input signal, LED is low, output driver is disabled
4.25
mA
Valid input, LED is high, output driver is enabled
42.5
mA
TABLE 3-3:
ELECTRICAL CHARACTERISTICS (OVER THE OPERATING VCC AND -40°C TO
+85°C RANGE)
Parameter
Min.
Typ.
Max.
Unit
Description
3.135
3.3
3.465
V
100
500
600
Mbps
475
—
800
mV
VSDIp-VSDIn measured at cable input
—
40
—
mV
Minimum differential input for fully
reconstructed output
—
3.3
—
V
Common-mode input voltage
—
50
—
Ω
Single-ended; to VCC
Power Supply
VCC
Signaling rate (NRZ, 8b/10b encoded)
SDIp/SDIn Input
Differential Input Voltage
Swing
LVDSImin
Rinput
2006-2016 Microchip Technology Inc.
DS60001310B-page 11
EQCO400T8
TABLE 3-3:
ELECTRICAL CHARACTERISTICS (OVER THE OPERATING VCC AND -40°C TO
+85°C RANGE)
SDOp Connection to Coax
—
440
—
mV
—
VCC–
LVDSo/2
—
V
Common-mode output voltage
SDOoff
—
VCC
—
V
Output voltage with disabled driver.
Single-ended; LED is low.
Routput
—
55
—
Ω
Single-ended; to VCC
100
190
260
ps
20% to 80%
Voh
1.5
VCC
—
V
Differential input voltage at cable input > 250 mV
Vol
—
GND
0.8
V
Differential input voltage at cable input < 40 mV
Voh
—
1.2
—
V
Output voltage at maximum cable length
Vol
—
2.6
—
V
Output voltage at maximum cable length
LVDSo
Rise/Fall Time
Differential output voltage swing
VSDOp-VSDOn
(50Ω load to VCC on each output)
LED is high.
LED
CLI
DS60001310B-page 12
2006-2016 Microchip Technology Inc.
EQCO400T8
4.0
PACKAGING INFORMATION
4.1
Package Marking Information
16-Lead Plastic Quad Flat, No Lead Package – 4x4x0.9 mm Body [QFN]
16-Lead QFN (4x4x0.9 mm)
PIN 1
Example
PIN 1
EQCO
YYWWNNN
Legend: XX...X
Y
YY
WW
NNN
e3
*
Note:
30R5.D
YYWWNNN
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.
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.
2006-2016 Microchip Technology Inc.
DS60001310B-page 13
EQCO400T8
16-Lead Plastic Quad Flat, No Lead Package (8E) - 4x4x0.9 mm Body [QFN]
Note:
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
D
A
B
N
NOTE 1
1
2
E
(DATUM B)
(DATUM A)
2X
0.20 C
2X
TOP VIEW
0.20 C
0.10 C
C
A1
A
SEATING
PLANE
16X
SIDE VIEW
(A3)
0.10
0.08 C
C A B
D2
(16X K)
0.10
C A B
E2
e
2
2
1
16X L
N
e
BOTTOM VIEW
16X b
0.10
0.05
C A B
C
Microchip Technology Drawing C04-259B Sheet 1 of 2
DS60001310B-page 14
2006-2016 Microchip Technology Inc.
EQCO400T8
16-Lead Plastic Quad Flat, No Lead Package (8E) - 4x4x0.9 mm Body [QFN]
Note:
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
Units
Dimension Limits
Number of Pins
N
e
Pitch
A
Overall Height
Standoff
A1
A3
Terminal Thickness
Overall Width
E
E2
Exposed Pad Width
D
Overall Length
D2
Exposed Pad Length
b
Terminal Width
Terminal Length
L
K
Terminal-to-Exposed-Pad
MIN
0.80
0.00
1.95
1.95
0.25
0.45
MILLIMETERS
NOM
16
0.65 BSC
0.87
0.02
0.20 REF
4.00 BSC
2.05
4.00 BSC
2.05
0.30
0.55
0.425 REF
MAX
0.95
0.05
2.15
2.15
0.35
0.65
Notes:
1. Pin 1 visual index feature may vary, but must be located within the hatched area.
2. Package is saw singulated
3. Dimensioning and tolerancing per ASME Y14.5M
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
REF: Reference Dimension, usually without tolerance, for information purposes only.
Microchip Technology Drawing C04-259B Sheet 2 of 2
2006-2016 Microchip Technology Inc.
DS60001310B-page 15
EQCO400T8
16-Lead Plastic Quad Flat, No Lead Package (8E) - 4x4x0.9 mm Body [QFN]
Note:
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
C1
X2
16
G1
1
X1
2
C2 Y2
Y1
E
SILK SCREEN
RECOMMENDED LAND PATTERN
Units
Dimension Limits
E
Contact Pitch
Optional Center Pad Width
X2
Optional Center Pad Length
Y2
Contact Pad Spacing
C1
Contact Pad Spacing
C2
Contact Pad Width (X16)
X1
Contact Pad Length (X16)
Y1
Contact Pad to Center Pad (X16)
G1
MIN
MILLIMETERS
NOM
0.65 BSC
MAX
2.15
2.15
3.625
3.625
0.30
0.725
0.20
Notes:
1. Dimensioning and tolerancing per ASME Y14.5M
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
Microchip Technology Drawing C04-2259A
DS60001310B-page 16
2006-2016 Microchip Technology Inc.
EQCO400T8
APPENDIX A:
REVISION HISTORY
Revision B (February 2016)
• Updated Section 4.1 “Package Marking Information”.
• Removed electrostatic discharge ratings from
Table 3-1.
• Minor typographical changes.
Revision A (July 2015)
• This is the initial release of the document in the
Microchip format. This replaces EqcoLogic
document version 2.4.
TABLE A-1:
REVISION HISTORY
Version
Date
Author
2.4
2/27/14
M. Kuijk
2.3
5/3/09
S.E. Ellwood
Added information on EQCO400T-8.
2.2
12/8/08
S.E. Ellwood
Correction to Table 2-1.
2.1
11/2/08
S.E. Ellwood
Added Table 2-1 Recommended Magnetics, changed
postal address.
2.0
7/22/08
S.E. Ellwood
Released.
1.1
2/2/06
K. Van Den Brande
2006-2016 Microchip Technology Inc.
Comments
Removed data about previous version, added patent
information.
New document.
DS60001310B-page 17
EQCO400T8
APPENDIX B:
TYPICAL OPERATING
CHARACTERISTICS
Figures B-1 to B-14 have been made under the following conditions:
Receive signal on pair 3, 6; S400; 630 mV Transmit amplitude.
Crosstalk source on pair 1, 2; S400; 630 mV Transmit amplitude.
B.1
Auto-Adaptive
FIGURE B-1:
2M CAT6 CABLE BEFORE
EQUALIZER
FIGURE B-4:
2M CAT6 CABLE AFTER
EQUALIZER
FIGURE B-2:
30M CAT6 CABLE BEFORE
EQUALIZER
FIGURE B-5:
30M CAT6 CABLE AFTER
EQUALIZER
FIGURE B-3:
60M CAT6 CABLE BEFORE
EQUALIZER
FIGURE B-6:
60M CAT6 CABLE AFTER
EQUALIZER
DS60001310B-page 18
2006-2016 Microchip Technology Inc.
EQCO400T8
FIGURE B-7:
B.2
90M CAT6 CABLE BEFORE
EQUALIZER
FIGURE B-10: 90M CAT6 CABLE AFTER
EQUALIZER
CAT5e
The crosstalk generated in a CAT5e system is much
higher than in a CAT6 system. This reduces the
maximum cable length over which a link can be
maintained.
FIGURE B-8:
B.3
70M CAT5E
FIGURE B-11: 70M CAT5E - RX ONLY
Variable Gain
FIGURE B-9:
300 MV TRANSMIT
AMPLITUDE (80M CAT6
CABLE)
2006-2016 Microchip Technology Inc.
FIGURE B-12: 800 MV TRANSMIT
AMPLITUDE (80M CAT6
CABLE)
DS60001310B-page 19
EQCO400T8
B.4
Multi-Speed
FIGURE B-13: S200Β, 110M CAT6 CABLE
DS60001310B-page 20
FIGURE B-14: S100Β, 130M CAT6 CABLE
2006-2016 Microchip Technology Inc.
EQCO400T8
THE MICROCHIP WEB SITE
CUSTOMER SUPPORT
Microchip provides online support via our web site at
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to make files and information easily available to
customers. Accessible by using your favorite Internet
browser, the web site contains the following information:
Users of Microchip products can receive assistance
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documents, latest software releases and
archived software
• General Technical Support – Frequently Asked
Questions (FAQs), technical support requests,
online discussion groups, Microchip consultant
program member listing
• Business of Microchip – Product selector and
ordering guides, latest Microchip press releases,
listing of seminars and events, listings of
Microchip sales offices, distributors and factory
representatives
•
•
•
•
Distributor or Representative
Local Sales Office
Field Application Engineer (FAE)
Technical Support
Customers
should
contact
their
distributor,
representative or field application engineer (FAE) for
support. Local sales offices are also available to help
customers. A listing of sales offices and locations is
included in the back of this document.
Technical support is available through the web site
at: http://microchip.com/support
CUSTOMER CHANGE NOTIFICATION
SERVICE
Microchip’s customer notification service helps keep
customers current on Microchip products. Subscribers
will receive e-mail notification whenever there are
changes, updates, revisions or errata related to a
specified product family or development tool of interest.
To register, access the Microchip web site at
www.microchip.com. Under “Support”, click on
“Customer Change Notification” and follow the
registration instructions.
2006-2016 Microchip Technology Inc.
DS60001310B-page 21
EQCO400T8
PRODUCT IDENTIFICATION SYSTEM
To order parts, including industrial, or obtain information, for e.g., on pricing or delivery, refer to the factory or the listed sales office.
PART NO.
I
Device
Temp. Range
Device
EQCO400T8
Temperature Range
I = -40C to +85C (Industrial temperature)
DS60001310B-page 22
Examples:
a)
EQCO400T8/I = Industrial temperature
16-Lead QFN package
2006-2016 Microchip Technology Inc.
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
The Microchip name and logo, the Microchip logo, AnyRate,
dsPIC, FlashFlex, flexPWR, Heldo, JukeBlox, KeeLoq,
KeeLoq logo, Kleer, LANCheck, LINK MD, MediaLB, MOST,
MOST logo, MPLAB, OptoLyzer, PIC, PICSTART, PIC32 logo,
RightTouch, SpyNIC, SST, SST Logo, SuperFlash and UNI/O
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.
Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut,
BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM,
dsPICDEM.net, Dynamic Average Matching, DAM, ECAN,
EtherGREEN, In-Circuit Serial Programming, ICSP, Inter-Chip
Connectivity, JitterBlocker, KleerNet, KleerNet logo, MiWi,
motorBench, MPASM, MPF, MPLAB Certified logo, MPLIB,
MPLINK, MultiTRAK, NetDetach, Omniscient Code
Generation, PICDEM, PICDEM.net, PICkit, PICtail,
PureSilicon, RightTouch logo, REAL ICE, Ripple Blocker,
Serial Quad I/O, 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
countries.
SQTP is a service mark of Microchip Technology Incorporated
in the U.S.A.
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.
QUALITY MANAGEMENT SYSTEM
CERTIFIED BY DNV
== ISO/TS 16949 ==
2006-2016 Microchip Technology Inc.
Silicon Storage Technology is a registered trademark of
Microchip Technology Inc. in other countries.
GestIC is a registered trademarks 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.
© 2006-2016, Microchip Technology Incorporated, Printed in
the U.S.A., All Rights Reserved.
ISBN: 978-1-5224-0255-8
DS60001310B-page 23
Worldwide Sales and Service
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Technical Support:
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Web Address:
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Fax: 65-6334-8850
China - Shenzhen
Tel: 86-755-8864-2200
Fax: 86-755-8203-1760
Taiwan - Hsin Chu
Tel: 886-3-5778-366
Fax: 886-3-5770-955
China - Wuhan
Tel: 86-27-5980-5300
Fax: 86-27-5980-5118
Taiwan - Kaohsiung
Tel: 886-7-213-7828
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Tel: 86-29-8833-7252
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Poland - Warsaw
Tel: 48-22-3325737
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07/14/15
DS60001310B-page 24
2006-2016 Microchip Technology Inc.
