XRT6164AIP-F [EXAR]
PCM Transceiver, 1-Func, T-1(DS1), CMOS, PDIP16, 0.300 INCH, GREEN, PLASTIC, DIP-16;
| 型号： | XRT6164AIP-F |
| 厂家： | 
EXAR CORPORATION |
| 描述： | PCM Transceiver, 1-Func, T-1(DS1), CMOS, PDIP16, 0.300 INCH, GREEN, PLASTIC, DIP-16 |
| 文件： | 总10页 (文件大小：456K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
XRT6164
Digital Line Interface Transceiver
September 2003
APPLICATIONS
FEATURES
l
l
Data Adaption Unit (DAU)
l
l
Single 5V Supply
General Purpose TTL Compatible Line Inter-
face
CCITT G.703 Compatible When Used With
EitherXR-T6165orXR-T6166
l
l
l
LowPower
TTL Compatible Digital Inputs and Outputs
Links Remote Equipment at Distances up to
500 Meters Without Equalization
l
ReceiveDataComparatorThresholdStorage
ProvidesPing-PongOperationCapability
l
l
Loss of Signal Alarm
Dual Matched Driver Outputs
GENERALDESCRIPTION
The XRT6164 is a bipolar analog chip intended for general purpose line interface applications at bit rates up to
1.544Mbps(T1).Itcontainsbothreceiveandtransmitcircuitryina16-pindual-in-lineplasticpackage.Thereceiver
is designed for short line applications having a cable loss up to 10dB measured at the half bit rate. The transmitter
hasopencollectorlinedriveroutputsthatarecapableofhandlingupto40mA.Whenusedinconjunctionwitheither
XRT6165 or XRT6166, the chip set provides a 64Kbps codirectional interface as specified in CCITT G.703.
ORDERINGINFORMATION
Operating
Part No.
Package
Temperature Range
0°C to +70°C
XRT6164CP
XRT6164CD
16-Lead 300 Mil PDIP
16-Lead 300 Mil JEDEC SOIC
0°C to +70°C
Rev. 3.0.0
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 • (510) 668-7000 • FAX (510) 668-7017
XRT6164
BlockDIagram
Positive
Data
14
PEAK CAP
Comparator
12
S + R
RX+I/P
RX-I/P
16
1
TTL
Buffer
Peak
Detector
Threshold
Generator
5
S - R
Negative
Data
Comparator
TTL
Buffer
TCM
Control
15
TCM CON
3
RX ALARM
TTL
Buffer
13
4
VCC
A
2
I/P BIAS
Bias
GNDA
Open
Collector
Driver
11
10
TX + O/P
TX+I/P
6
8
TX-I/P
TX - O/P
Open
Collector
Driver
9
7
VCCD
GNDD
Figure 1. XRT6164 Block Diagram
Rev. 3.0.0
2
XRT6164
PINCONFIGURATION
16 Lead PDIP (0.300”)
16 Lead SOIC (Jedec, 0.300”)
PIN DESCRIPTION
Pin#
1
Symbol Type
Description
Receiver Negative Bipolar Input. Line analog input.
RX-I/P
I/P BIAS
RX ALARM
GNDA
I
2
O
O
Receive Input Bias. Connects to center tap of input transformer secondary winding.
Loss of Signal Alarm. Active low.
3
4
AnalogGround.
5
S-R
O
I
Receive Negative Data Output. Output from negative bipolar input pulses (active low).
Transmit Negative Input Data. Input for negative output driver (active high).
DigitalGround.
6
TX-I/P
7
GNDD
8
TX-O/P
O
Transmit Negative Output Driver. Open collector, drives output transformer primary.
+5V +/-5% Digital Supply.
9
V
CCD
10
11
12
13
TX+O/P
TX+I/P
S+R
O
I
Transmit Positive Output Driver. Open collector, drives output transformer primary.
Transmit Positive Input Data. Input for positive output driver (active high).
Receive Positive Data Output. Output from positive bipolar input pulses (active low).
+5V +/-5% Analog Supply.
O
V
CCA
14 PEAKCAP
15 TCM CON
Peak Detector Capacitor. Stores peak detector voltage.
Time Compression Multiplex Control. When active, disconnects peak detector charge
and discharge paths (active low).
I
I
16
RX+I/P
Receiver Positive Bipolar Input. Line analog input.
Rev. 3.0.0
3
XRT6164
ELECTRICALCHARACTERISTICS
Test Conditions: V CC = 5V +/- 5%, T A = 25°C, Unless Otherwise Specified
Parameters
Min.
Typ. Max. Units Conditions
DC Electrical Characteristics
Supply Voltage
4.75
4
5
1
5.25
8
V
Analog Supply Current
Digital Supply Current
Receiver
mA
mA
13
20
Input Signal
2.2
10
Vp
dB
kΩ
%
Measured from Pins 1 or 16 with Respect to Pin 2
Maximum Cable Loss Range
Dynamic Range
Input Impedance
20
50
Measured Between Pins 1 and 16
Percent of Peak Input Signal Amplitude
Measured at Pin 2
Input Slicing Threshold
Input Bias Voltage
Loss of Signal Alarm Threshold
Loss of Signal Alarm Level
Hysteresis
1.45
150
+/-1.5
V
mVp Measured from Pins 1 or 16 with Respect to Pin 2
dB
Difference Between Alarm-on and Alarm-off
Levels
Peak Detector Leakage
Data Output Low
-80
µA
V
0.4
0.4
Measured at Pins 5 or 12, I OUT = +1.6mA
Measured at Pins 5 or 12, I OUT = -40µA
Measured at Pin 3; I OUT = +1.6mA
Measured at Pin 3; I OUT = -40µA
Data Output High
3.6
V
Alarm Output Low
Alarm Output High
V
V CC
-
V
0.5
TCM Input Low Voltage
0.8
V
Measured at Pin 15; I IN Min = -500µA, I IN Max =
+5µA
Transmitter
Input Low Voltage
Input High Voltage
Output Low Voltage
Output Low Current
Output Leakage Current
0.8
V
V
Measured at Pins 6, 11; I IN = -700µA
Measured at Pins 6, 11; I IN = +5µA
Measured at Pins 8, 10; I OUT = -40mA
Measured at Pins 8, 10; V OUT = 1V
Measured at Pins 8, 10; V OUT = 10V Outputs in
off state
2.2
1
V
40
mA
µA
-100
AC Electrical Characteristics
Receiver
Input Level
1
2.2
50
50
Vp
ns
ns
Pin 1, 16 with Respect to Pin 2 1
Pins 5, 12; C L = 15pF, 10% to 90%
Pins 5, 12; C L =15pF, 90% to 10%
Output Rise Time
Output Fall Time
Notes:
1. Higher input voltages are possible if a resistive input attenuator is used.
Bold face parameters are covered by production test and guaranteed over operating temperature range.
Rev. 3.0.0
4
XRT6164
ELECTRICALCHARACTERISTIC(CONT’D)
Parameters
Min. Typ. Max. Units Conditions
AC Electrical Characteristics (Cont’d)
Transmitter
Output Rise Time
50
50
ns Pins 8, 10; R L = 130, C L = 15pF, 10% to 90%
ns Pins 8, 10; R L = 130, C L = 15pF, 90% to 10%
Output Fall Time
Rising Edge Delay
100 ns Pins 8, 10; R L = 130, C L = 15pF, 50% to 50%
(I/P to O/P)
Falling Edge Delay
100 ns Pins 8, 10; R L = 130, C L = 15pF, 50% to 50%
(I/P to O/P)
Notes:
Bold face parameters are covered by production test and guaranteed over operating temperature range.
Specifications are subject to change without notice
ABSOLUTEMAXIMUMRATINGS
Supply Voltage 20V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage Temperature -65°C to +150°C . . . . . . .
. . . . .
Magnetic Supplier Information:
TranspowerTechnologies,Inc.
24 Highway 28, Suite 202
Crystal Bay, NV 89402–0187
Tel.(702)831–0140
Pulse
TelecomProductGroup
P.O. Box 12235
San Diego, CA 92112
Tel.(619)674-8100
Fax.(619)674-8262
Fax.(702)831–3521
Rev. 3.0.0
5
XRT6164
SYSTEM DESCRIPTION
peakdetectorstoragecapacitorchargeanddischarge
paths. Since the receive data comparator bias voltage
is stored during transmit mode, it is immediately
available when receive mode resumes.
The XRT6164 is a general purpose line interface chip
that contains the receive and transmit circuitry neces-
sary to convert TTL logic levels to a bipolar signal both
to and from a twisted pair cable.
Transmitter
Receiver
The XRT6164 transmitter section contains two
matchedopencollectoroutputdriversthatarecapable
of driving the line transformer directly with a current up
to 40mA. The transmitter output drivers include diode
clamps to ensure non-saturating operation. Transmit-
ter digital inputs, which are active-high, are TTL com-
patible.Externalresistorsareusedbetweenthetrans-
mitteroutputsandtheoutputtransformerprimarytoset
the output pulse amplitude.
The XRT6164 receiver section converts a balanced
bipolar signal that has been attenuated and distorted
by up to 10dB of twisted pair cable to active-low TTL
compatible logic levels.
Thecableistransformercoupledtothereceiver differ-
ential inputs (RX+IP, RX-IP) which are biased through
the input transformer secondary winding by a voltage
generated on-chip (I/P BIAS). The bipolar receive
signalisappliedtoapeakdetector,andtoapairofdata
comparators. The peak detector output voltage
charges an external capacitor connected to PEAK
CAP. This voltage generates a data comparator bias
level that is approximately50%ofthepeakinputpulse
amplitude. Thus, data slicing is automatically accom-
plished at the optimum level over the full cable loss
range. TTL compatible output stages buffer the re-
ceiver digital outputs (S+R, S-R) and provide active
low signals corresponding to received positive and
negative input pulses.
APPLICATIONINFORMATION
Figure 2 shows a general line driver application circuit
using the XRT6164. This device converts bipolar
transmit and receive signals in the 64Kbps to
1.544Mbps range to active-low TTL compatible logic
levels.
Bipolar signals that have been attenuated and dis-
tortedbytwistedpaircablearetransformer-coupledto
the line side of the XRT6164 as shown on the left side
of Figure 2. Suggested transformers for both the input
and output applications are the Pulse types PE-65535
or TTI–7147 for 64Kbps use and the PE-65835 for
1.544Mbpsapplications.
Loss of input signal is detected by a comparator that
monitorsinputsignallevel. Anactive-lowTTLcompat-
ible logic level (RX ALARM) indicates signal loss.
Comparatorhysteresispreventschatteronthisoutput.
The right side of Figure 2 shows the TTL compatible
digital inputs and outputs. Please refer to the pin
description section of this data sheet for detailed
information about each signal.
Ping-pong operation is made possible by the time
compression multiplex control input (TCM CON). A
logic0appliedtothispinduringtransmissionstoresthe
peak detector output voltage by disconnecting the
Rev. 3.0.0
6
XRT6164
XRT6164
Figure 2. XRT6164 Line Driver Application
Rev. 3.0.0
7
XRT6164
16 LEAD PLASTIC DUAL-IN-LINE
(300 MIL PDIP)
Rev. 1.00
INCHES
MILLIMETERS
MIN MAX
SYMBOL
MIN
MAX
A
0.145
0.210 3.68
0.070 0.38
0.195 2.92
0.024 0.36
0.070 0.76
0.014 0.20
0.840 18.92
0.325 7.62
0.280 6.10
5.33
1.78
4.95
0.56
1.78
0.38
21.34
8.26
7.11
A1
A 2
B
0.015
0.115
0.014
0.030
0.008
0.745
B 1
C
D
E
0.300
0.240
E 1
e
0.100 BSC
0.300 BSC
0.310 0.430 7.87
0.160 2.92
15° 0°
2.54 BSC
e A
e B
L
7.62 BSC
10.92
4.06
15°
0.115
0°
α
Note: The control dimension is the inch column
Rev. 3.0.0
8
XRT6164
16 LEAD SMALL OUTLINE
(300 MIL JEDEC SOIC)
Rev. 1.00
INCHES
MILLIMETERS
MIN MAX
SYMBOL
MIN
MAX
A
0.093
0.104 2.35
0.012 0.10
0.020 0.33
0.013 0.23
0.413 10.10
0.299 7.40
2.65
0.30
0.51
0.32
10.50
7.60
A 1
B
0.004
0.013
0.009
0.398
0.291
C
D
E
e
0.050 BSC
1.27 BSC
H
L
0.394
0.419 10.00
0.050 0.40
10.65
1.27
0.016
0°
α
8°
0°
8°
Note: The control dimension is the millimeter column
Rev. 3.0.0
9
XRT6164
NOTICE
EXAR Corporation reserves the right to make changes to the products contained in this publication in order to
improve design, performance or reliability. EXAR Corporation assumes no responsibility for the use of any
circuits described herein, conveys no license under any patent or other right, and makes no representation that
the circuits are free of patent infringement. Charts and schedules contained here in are only for illustration
purposes and may vary depending upon a user’s specific application. While the information in this publication
has been carefully checked; no responsibility, however, is assumed for inaccuracies.
EXAR Corporation does not recommend the use of any of its products in life support applications where the
failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to
significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless
EXAR Corporation receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has
been minimized; (b) the user assumes all such risks; (c) potential liability of EXAR Corporation is adequately
protected under the circum-stances.
Copyright2003EXARCorporation
DatasheetSeptember2003
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
Rev. 3.0.0
10
相关型号：
XRT6164CP-F
PCM Transceiver, 1-Func, T-1(DS1), Bipolar, PDIP16, 0.300 INCH, GREEN, PLASTIC, DIP-16
EXAR
©2020 ICPDF网 联系我们和版权申明