CS8952
10BASE-T CHARACTERISTICS
Parameter
10BASE-T Interface
Transmitter Differential Output Voltage (Peak)
Receiver Normal Squelch Level (Peak)
Receiver Low Squelch Level (LoRxSquelch bit
set)
10BASE-T Transmitter
TXD Pair Jitter into 100
Ω
Load
TXD Pair Return to
≤50
mV after Last Positive
Transition
TXD Pair Positive Hold Time at End of Packet
10BASE-T Receiver
Allowable Received Jitter at Bit Cell Center
Allowable Received Jitter at Bit Cell Boundary
10BASE-T Link Integrity
First Transmitted Link Pulse after Last Transmit-
ted Packet
Time Between Transmitted Link Pulses
Width of Transmitted Link Pulses
Minimum Received Link Pulses Separation
Maximum Received Link Pulse Separation
Last Receive Activity to Link Fail (Link Loss
Timer)
10Base-T Jabber/Unjabber Timing
Maximum Transmit Time
Unjabber Time
Symbol
V
OD
V
ISQ
V
SQL
Min
2.2
300
125
Typ
-
-
-
Max
2.8
525
290
Unit
V
mV
mV
t
TTX1
t
TTX2
t
TTX3
t
TRX1
t
TRX2
t
LN1
t
LN2
t
LN3
t
LN4
t
LN5
t
LN6
-
-
250
-
-
15
15
60
2
25
50
-
-
-
-
-
16
16
-
5
52
52
8
4.5
-
+/-13.5
+/-13.5
17
17
200
7
150
150
ns
µs
ns
ns
ns
ms
ms
ns
ms
ms
ms
-
-
105
406
t
TTX2
-
-
ms
ms
TXD±
t
TTX1
t
TTX3
RXD±
t
RTX3
Carrier Sense
(Internal)
t
LN1
TXD±
t
LN4
RXD±
t
LN6
LINKLED
t
LN5
t
LN2
t
LN3
t
RTX1
t
RTX4
t
RTX2
CrystalLAN™ 100BASE-X and 10BASE-T Transceiver
7
CIRRUS [ CIRRUS LOGIC ]
