UPD720100AGM-8ED datasheet(20/32 Pages) NEC

20 / 32 page

Data Sheet S15535EJ2V0DS

µµµµPD720100A

USB Interface Block

(1/2)

Parameter

Symbol

Conditions

MIN.

MAX.

Unit

Low Source Electrical Characteristics

Rise time (10% - 90%)

tLR

CL = 50 pF – 150 pF,

RS = 36

Ω

300

Fall time (90% - 10%)

tLF

CL = 50 pF – 150 pF,

RS = 36

Ω

300

Differential Rise and Fall Time matching

tLRFM

(tLR/tLF)80

125

Low-speed Data Rate

tLDRATHS

Average bit rate

1.49925

1.50075

Mbps

Source Jitter Total (including frequency

tolerance):

To Next Transition

For Paired Transitions

tDDJ1

tDDJ2

−25

−14

+25

+14

Source Jitter for Differential Transition to

SE0 transition

tLDEOP

-40

+100

Receiver Jitter:

To Next Transition

For Paired Transitions

tUJR1

tUJR2

−152

−200

+152

+200

Source SE0 interval of EOP

tLEOPT

1.25

1.50

µs

Receiver SE0 interval of EOP

tLEOPR

670

Width of SE0 interval during differential

transition

tFST

210

Full-speed Source Electrical Characteristics

Rise time (10% - 90%)

tFR

CL = 50 pF,

RS = 36

Ω

420

Fall time (90% - 10%)

tFF

CL = 50 pF,

RS = 36

Ω

420

Differential Rise and Fall Time matching

tFRFM

(tFR/tFF)90

111.11

Full-speed Data Rate

tFDRATHS

Average bit rate

11.9940

12.0060

Mbps

Frame Interval

tFRAME

0.9995

1.0005

Consecutive Frame Interval Jitter

tRFI

No clock adjustment

Source Jitter Total (including frequency

tolerance):

To Next Transition

For Paired Transitions

tDJ1

tDJ2

−3.5

−4.0

+3.5

+4.0

Source Jitter for Differential Transition to

SE0 transition

tFDEOP

−2

+5ns

Receiver Jitter:

To Next Transition

For Paired Transitions

tJR1

tJR2

−18.5

−9

+18.5

Source SE0 interval of EOP

tFEOPT

160

175

Receiver SE0 interval of EOP

tFEOPR

Width of SE0 interval during differential

transition

tFST

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