cy7b8392 Cypress Semiconductor Corporation., cy7b8392 Datasheet - Page 4

• Manufacturer Part Number: cy7b8392
• Description: Ethernet Coax Transceiver Interface
• Manufacturer: Cypress Semiconductor Corporation.

Electrical Characteristics
Capacitance
V
I
I
I
I
I
I
V
V
I
I
V
V
V
RX, CD
VOB
V
V
R
R
R
C
Notes:
10. For a minimum pulse width of >40 ns.
11. To measure shunt resistance, the pin (RXI or TXO) is terminated to 0 volts and the current is measured, then the pin is forced to –2 volts and the current is
EE1
EE2
MAU
TDC
TAC
CDS
IH
IL
7.
8.
9.
EE
IH
IL
DIS
CD
CS
OC
TS
Parameter
RXI
TXO
TX
X
Testing is done under test load as defined in AC Test Loads and Waveforms.
Not including current through external pulldown resistors.
During idle, V
measured. The resistance is found by:
Parameter
R
=
D
------- -
I D
V
OC
=
Supply Voltage
(V
(V
Input Bias Current (RXI and T
Transmitter Output DC Current
Transmitter AC Current
Cable Sense Input Bias Current
HBE input HIGH voltage
HBE input LOW voltage
HBE input HIGH current
HBE input LOW current
AUI Disable Voltage At RXI
Collision Threshold (Receive Mode)
Carrier Sense Threshold
Differential Output Voltage
Differential Output Voltage Imbalance - Idle
Common Mode Voltage
Transmitter Squelch Threshold
Shunt Resistance—Non-transmitting
Shunt Resistance—Transmitting
Differential Impedance At TX
------------------------------------- -
I
is reduced to minimize the power dissipation across the load resistors connected to RX
0V
EE
EE
to GND) Non-transmitting
to GND) Transmitting
2V
–
I
–
2V
Input Capacitance
Over the Operating Range
Description
[9]
Description
(DI and CI ports)
XO
[10]
[8]
[11]
pin)
[11]
Guaranteed by Design
[7]
4
Test Conditions
–8.55
–1.45
–0.42
–175
Min.
-4.2
100
-10
–2
37
475
10
28
and CD .
–1.53
–225
Typ.
–9.0
–3.5
-4.0
–25
–70
Typ.
41
30
1.5
1
–9.45
–1.62
–0.60
Max.
–300
–35
–80
-4.8
300
1500
25
45
CY7B8392
3
40
Unit
pF
Unit
mA
mA
mA
mA
mV
mV
mV
k
k
k
V
V
V
V
V
V
V
A
A
A
A