PDI1394P21BE 查看數據表（PDF） - Philips Electronics

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PDI1394P21BE

3-port physical layer interface

Philips Electronics 

Philips Semiconductors

3-port physical layer interface

Objective specification

PDI1394P21

10.0 CABLE DRIVER

SYMBOL

PARAMETER

TEST CONDITION

LIMITS

UNIT

MIN TYP MAX

VOD

IO(diff)

Differential output voltage

56 Ω load

Driver Difference current, TPA+, TPA–, TPB+, TPB– 1

Drivers enabled,

speed signaling OFF

172

–1.051

265 mV

0.881 mA

100 Mbit/s speed signaling enabled –0.81

ISP

Common mode speed signaling current, TPB+, TPB– 2 200 Mbit/s speed signaling enabled –4.84

400 Mbit/s speed signaling enabled –12.4

–0.44 mA

–2.53 mA

–8.10 mA

VOFF OFF state differential voltage

Drivers disabled

20

mV

NOTES:

1. Limits defined as algebraic sum of TPA+ and TPA– driver currents. Limits also apply to TPB+ and TPB– algebraic sum of driver currents.

2. Limits defined as absolute limit of each of TPB+ and TPB– driver currents.

11.0 CABLE RECEIVER

SYMBOL

PARAMETER

ZID

Differential input impedance

ZIC

Common mode input impedance

VTH-R

VTH-CB

VTH+

VTH–

Receiver input threshold voltage

Cable bias detect threshold, TPBn cable inputs

Positive arbitration comparator threshold voltage

Negative arbitration comparator threshold voltage

VTH–SP200 Speed signal threshold

VTH–SP400 Speed signal threshold

ICD

Connect detect output at TPBIAS pins

TEST CONDITION

Drivers disabled

Drivers disabled

Drivers disabled

Drivers disabled

Drivers disabled

Drivers disabled

TPBIAS–TPA common mode

voltage, drivers disabled

TPBIAS–TPA common mode

voltage, drivers disabled

Drivers disabled

MIN

10

20

–30

0.6

89

–168

LIMITS

TYP

14

MAX

4

24

30

1.0

168

–89

49

131

UNIT

kΩ

pF

kΩ

pF

mV

V

mV

mV

mV

314

396 mV

76

µA

1999 Jul 09

9

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