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PDI1394P22 Datasheet, PDF (9/30 Pages) NXP Semiconductors – 3-port physical layer interface | |||
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Philips Semiconductors
3-port physical layer interface
Objective specification
PDI1394P22
10.0 CABLE DRIVER
SYMBOL
PARAMETER
TEST CONDITION
LIMITS
UNIT
MIN TYP MAX
VOD
IO(diff)
Differential output voltage
56 ⦠load
Driver Difference current, TPA+, TPAâ, TPB+, TPBâ 1
Drivers enabled,
speed signaling OFF
172
â1.051
265 mV
0.881 mA
100 Mbit/s speed signaling enabled â0.81
ISP
Common mode speed signaling current, TPB+, TPBâ 2 200 Mbit/s speed signaling enabled â4.84
400 Mbit/s speed signaling enabled â12.4
â0.44 mA
â2.53 mA
â8.10 mA
VOFF OFF state differential voltage
Drivers disabled
20
mV
NOTES:
1. Limits defined as algebraic sum of TPA+ and TPAâ driver currents. Limits also apply to TPB+ and TPBâ algebraic sum of driver currents.
2. Limits defined as absolute limit of each of TPB+ and TPBâ driver currents.
11.0 CABLE RECEIVER
SYMBOL
PARAMETER
ZID
Differential input impedance
ZIC
Common mode input impedance
VTH-R
VTH-CB
VTH+
VTHâ
Receiver input threshold voltage
Cable bias detect threshold, TPBn cable inputs
Positive arbitration comparator threshold voltage
Negative arbitration comparator threshold voltage
VTHâSP200 Speed signal threshold
VTHâSP400 Speed signal threshold
ICD
Connect detect output at TPBIAS pins
TEST CONDITION
Drivers disabled
Drivers disabled
Drivers disabled
Drivers disabled
Drivers disabled
Drivers disabled
TPBIASâTPA common mode
voltage, drivers disabled
TPBIASâTPA common mode
voltage, drivers disabled
Drivers disabled
MIN
10
20
â30
0.6
89
â168
LIMITS
TYP
14
MAX
4
24
30
1.0
168
â89
49
131
UNIT
kâ¦
pF
kâ¦
pF
mV
V
mV
mV
mV
314
396 mV
76
µA
1999 Jul 09
9
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