CS8952 データシートの表示（PDF） - Cirrus Logic

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CS8952

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

Cirrus Logic 

CS8952

10BASE-T CHARACTERISTICS

Parameter

Symbol

Min

10BASE-T Interface

Transmitter Differential Output Voltage (Peak)

VOD

2.2

Receiver Normal Squelch Level (Peak)

VISQ

300

Receiver Low Squelch Level (LoRxSquelch bit

VSQL

125

set)

10BASE-T Transmitter

TXD Pair Jitter into 100 Ω Load

tTTX1

-

TXD Pair Return to ≤ 50 mV after Last Positive

tTTX2

-

Transition

TXD Pair Positive Hold Time at End of Packet

tTTX3

250

10BASE-T Receiver

Allowable Received Jitter at Bit Cell Center

tTRX1

-

Allowable Received Jitter at Bit Cell Boundary

tTRX2

-

10BASE-T Link Integrity

First Transmitted Link Pulse after Last Transmit-

tLN1

15

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)

tLN2

15

tLN3

60

tLN4

2

tLN5

25

tLN6

50

10Base-T Jabber/Unjabber Timing

Maximum Transmit Time

-

Unjabber Time

-

Typ

Max

Unit

-

2.8

V

-

525

mV

-

290

mV

-

8

ns

-

4.5

µs

-

-

ns

-

+/-13.5

ns

-

+/-13.5

ns

16

17

ms

16

17

ms

-

200

ns

5

7

ms

52

150

ms

52

150

ms

105

-

ms

406

-

ms

TXD±

RXD±

Carrier Sense

(Internal)

TXD±

RXD±

LINKLED

t RTX3

t TTX1

t RTX1

t RTX4

t RTX2

t TTX2

t TTX3

t LN1

t LN6

t LN2

t LN3

t LN4

t LN5

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

6

DS206F1

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