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MC34055 の電気的特性と機能

MC34055のメーカーはMotorola Semiconductorsです、この部品の機能は「IEEE 802.3 10BASE-T TRANSCEIVER」です。


製品の詳細 ( Datasheet PDF )

部品番号 MC34055
部品説明 IEEE 802.3 10BASE-T TRANSCEIVER
メーカ Motorola Semiconductors
ロゴ Motorola Semiconductors ロゴ 




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MC34055 Datasheet, MC34055 PDF,ピン配置, 機能
Order this document by MC34055/D
IEEE 802.3 10BASE-T
Transceiver
The Motorola 10BASE–T transceiver, designed to comply with the ISO
8802–3 [IEEE 802.3] 10BASE–T specification, will support a Medium
Dependent Interface (MDI) in an embedded Media Attachment Unit (MAU)*.
The interface supporting the Data Terminal Equipment (DTE) is TTL, CMOS,
and raised ECL compatible, and the interface to the Twisted Pair (TP) media
is supported through standard 10BASE–T filters and transformers.
Differential data intended for the TP media is provided a 50 ns pre–emphasis
and data at the TP receiver is screened by Smart Squelch circuitry for
specific threshold, pulse width, and sequence requirements.
www.DataSheet4U.cOotmher features of the MC34055 include: Collision and Jabber detection
status outputs, select mode pins for forcing Loop Back and Full–Duplex
operation, a Signal Quality Error pin for testing the collision detect circuitry
without affecting the TP output, and a LED driver for Link Integrity status. An
on–chip oscillator, capable of receiving a clock input or operating under
crystal control, is also provided for internal timing and driving a buffered
clock output.
The MC34055 is manufactured on a BiCMOS process and is packaged in
a 24 pin SOIC.
BiCMOS Technology for Low Power Operation
Standard 5.0 V, ± 5% Voltage Supply
Smart Squelch Enforcement of Threshold, Pulse Width, and Sequence
Requirements
Driver Pre–Emphasis for Output Data
TTL, CMOS and Raised ECL Compatible
Interfaces to TP Media with Standard 10BASE–T Filters and
Transformers
LED Capable Status Outputs for Collision, Jabber Detection, and Link
Integrity
Directly Driven or Crystal Controlled Clock Oscillator
Selectable Full–Duplex Operation
Signal Quality Error Test Pin
Selectable Loop Back
MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.)
Rating
Symbol
Value
Unit
Power Supply Voltage
Differential Voltage at RX+/RX–
Voltage Applied to Logic and Mode/Test
Select Inputs
VCC
VID
– 0.5 to 7.0
– 5.25 to 5.25
– 0.5 to 5.5
Vdc
Vdc
Vdc
Voltage Applied to Logic Outputs and
Output Status Pins
– 0.5 to 7.0 Vdc
Ambient Operating Temperature Range
TA
0 to 70
°C
Junction Temperature
TJ
– 65 to 150
°C
NOTE: Devices should not be operated at these limits. The “Recommended Operating
Conditions” table provides for actual device operation.
MC34055
10BASE–T TRANSCEIVER
SEMICONDUCTOR
TECHNICAL DATA
24
1
DW SUFFIX
PLASTIC PACKAGE
CASE 751E
(SO–24L)
PIN CONNECTIONS
Clk Out 1
TX Data A 2
TX Data B 3
TX EN H 4
Dig. Gnd 5
VCC(Dig/Ana) 6
Ana. Gnd 7
RX Data A 8
RX Data B 9
RX EN H 10
Loop L 11
LNKFL H 12
24 Clk+
23 Clk–
22 SQE EN L
21 TX+
20 TX–
19 Pwr Gnd
18 Pwr VCC
17 FULLD L
16 RX+
15 RX–
14 CTL H
13 JABB H
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC34055DW TA = 0° to +70°C
SO–24L
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1996
Rev 1
1

1 Page





MC34055 pdf, ピン配列
MC34055
ELECTRICAL CHARACTERISTICS (0°C TA 70°C, VCC = 5.0 V, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
TX EN H
Input High Voltage (IIH = 200 µA)
Input Low Voltage (IIL = – 20 µA)
RX DATA A/RX EN H/JABB H/CTL H
Output Voltage (See Load Circuits: CMOS Load Circuit)
High (IOH = –12 mA)
Low (IOL = +16 mA)
RX DATA B
Output Voltage (See Load Circuits: ECL Load Circuit)
High: @ 0°C
@ 25°C
@ 70°C
www.DataSheet4U.coLmow: @ 0°C
@ 25°C
@ 70°C
SIGNAL QUALITY ERROR TEST ENABLE CONTROL (SQE EN L)
Test Control Voltage
Test Disabled (Input High Voltage)(IIH = + 20 µA Max.)
Test Enabled (Input Low Voltage)(– 50 µA < IIL < –150 µA)
FULL DUPLEX MODE SELECT (FULLD L)
Mode Select Control Voltage
Normal Operation (Input High)(IIH = + 20 µA)
Full Duplex (Input Low)(– 50 µA < IIH < –150 µA)
LOOPBACK TEST MODE FUNCTION (LOOP L)
Test Control Voltage
Test Disabled (Input High)(IIH = + 20 µA)
Test Enabled (Input Low)(IIL = – 200 µA)
LINK FAIL STATUS (LINKFL H)
Status Output Voltage (See Load Circuits: CMOS Load Circuit)
Maximum Voltage for Output Low Condition (IOL = 20 mA)
Output Low Sink Current
CLOCK OSCILLATOR
Clk+ Input Logic Threshold
High Level Input Voltage (IIH = +100 µA Max.)
Logic Low Input Voltage (IIL = –100 µA Max.)
Clk Out Output Voltage (See Load Circuits: CMOS Load Circuit)
Logic High (IOH = –12 mA)
Logic Low (Iout = +16 µA)
VIH
VIL
VOH
VOL
VOH
VOL
VIH
VIL
VIH
VIL
VIH
VIL
VOH
VOL
VIH
VIL
VOH
VOL
2.0 – 5.0
0 – 0.8
3.7 –
– – 0.5
0.984 VCC – 0.923
0.984 VCC – 0.877
0.984 VCC – 0.825
0.750 VCC – 0.568
0.750 VCC – 0.550
0.750 VCC – 0.531
0.984 VCC – 0.763
0.984 VCC – 0.727
0.984 VCC – 0.644
0.750 VCC – 0.361
0.750 VCC – 0.350
0.750 VCC – 0.324
2.0 – 5.0
0 – 0.8
2.0 – 5.0
0 – 0.8
2.0 – 5.0
0 – 0.8
– – 0.5
– – 20
2.0 – 5.0
– – 0.8
3.7 3.9
– 0.25 0.5
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
mA
Vdc
µA
Vdc
15 pF
330
Output Load Circuits
20 pF
6.0k
39 (1%)
TX–
100
39 (1%)
TX+
VOD
ECL Load Circuit
TTL/CMOS Load Circuit
Differential Load Circuit
MOTOROLA ANALOG IC DEVICE DATA
3


3Pages


MC34055 電子部品, 半導体
TX EN H
Bit Pattern
TX Data A/B
RX EN H
RX Data A/B
www.DataSheet4U.com
Loop L
MC34055
Figure 4. Loop Back Timing
1
tLTRX
tLTRA
01
tLTRD
0
RX+/RX–
RX EN H
RX Data A/B
Figure 5. Receive Startup Timing
1 010
1
tSQ tRARE
tRXNE
tSKEW R
tRXSS
tJITTER R
RX+/RX–
RX EN H
6
Figure 6. Receive Shutdown Timing
tRXDE
MOTOROLA ANALOG IC DEVICE DATA

6 Page



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IEEE 802.3 10BASE-T TRANSCEIVER

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