
MC34055
2
MOTOROLA ANALOG IC DEVICE DATA
L
Collision Announcement
10MHz
SQE EN L
LNKFL H
Ana.
Gnd
VCC
FULLD L
RX–
RX+
Loop L
TX–
TX+
Balun
Filter
Filter
RX EN H
RX Data B
RX Data A
TX EN H
TX Data B
TX Data A
CTL H
JABB H
Clk
Out
Clk–
Clk +
Dig.
Gnd
Pwr
Gnd
VCC (Dig/Ana)
Pwr VCC
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
ECL
TTL/CMOS
TTL/CMOS
ECL
CMOS
Collision Test
Data In
Data Out
Full Duplex Disable
Link Fail Disable
Jabber Disable
Loop Back
Collision
Detect
TP Differential Receiver
with Smart Squelch
Duplex Mode
Select
Link Beat
Control
Clock Oscillator
TTL/CMOS
Signal
Quality
Error
Jabber
Collision
Detect
Outputs
Received Data
Output and
Control
Transmit Input
and Control
Transmit Idle
Timer
Driver Pre–Emphasis
TP Differential
Driver and Control
Simplified Block Diagram
VCC
VCC
*The sale and use of this product is licensed
*
under technology covered by one or more
*
Digital Equipment Corporation patents.
This device contains 9,875 active transistors.
RECOMMENDED OPERATING CONDITIONS
Characteristic
Symbol
Min
Typ
Max
Unit
Power Supply Voltage
VCC
–
4.75
5.0
5.25
Vdc
Voltage Applied to Logic Inputs and Status Pins
0
–
5.25
Vdc
Differential Input Voltage
–
0.59
–
2.8
Vpp
Operating Ambient Temperature
TA
0
–
70
°
C
NOTE:
All limits are not necessarily functional concurrently.
ELECTRICAL CHARACTERISTICS
(0
°
C
≤
TA
≤
70
°
C, VCC = 5.0 V, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Supply Current (4.75 V
≤
VCC
≤
5.25 V)
Reset Circuit Threshold
ICC
–
–
60
180
mA
4.0
–
4.4
Vdc
TWISTED PAIR TRANSMITTER
Output Differential Voltage
(See Load Circuits: Differential Load Circuit)
Output Differential Voltage with Pre–Emphasis
Output Differential Voltage
VO
Vpp
2.2
1.56
2.53
1.72
2.8
1.98
Common Mode Driver Impedance
ZOCM
ZOD
6.0
8.5
14
Transmitter Differential Output Impedance
8.0
15.5
29
TX DATA A
Input High Voltage (IIH = + 20
μ
A)
Input Low Voltage (IIL = –150
μ
A)
VIH
VIL
3.15
0
–
–
5.25
0.8
Vdc
TX DATA B
Input Voltage (See Load Circuits: ECL Load Circuit)
High:
@ 0
°
C
@ 25
°
C
@ 70
°
C
Low:
@ 0
°
C
@ 25
°
C
@ 70
°
C
Vdc
VIH
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
VIL