ISP1106 datasheet(13/24 Pages) PHILIPS

13 / 24 page

Philips Semiconductors

ISP1105/1106/1107

Advanced USB transceivers

Product data

Rev. 06 — 30 November 2001

13 of 24

9397 750 08872

10. Dynamic characteristics

Table 16:

Dynamic characteristics: analog I/O pins (D

+, D−)[1]

VCC = 4.0 to 5.5 V or Vreg(3.3) = 3.0 to 3.6 V; VCC(I/O) = 1.65 to 3.6 V; VGND = 0 V; see Table 10 for valid voltage level

combinations; Tamb = −40 to +85 °C; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Driver characteristics

Full-speed mode (SPEED = HIGH)

tFR

rise time

CL = 50 to 125 pF;

10 to 90% of

|VOH − VOL|;

see Figure 5

tFF

fall time

CL = 50 to 125 pF;

90 to 10% of

|VOH − VOL|;

see Figure 5

FRFM

differential rise/fall time

matching (tFR/tFF)

excluding the ﬁrst transition

from Idle state

111.1

VCRS

output signal crossover

voltage

excluding the ﬁrst transition

from Idle state; see Figure 8

[2] 1.3

2.0

Low-speed mode (SPEED = LOW)

tLR

rise time

CL = 50 to 600 pF;

10 to 90% of

|VOH − VOL|;

see Figure 5

300

tLF

fall time

CL = 50 to 600 pF;

90 to 10% of

|VOH − VOL|;

see Figure 5

300

LRFM

differential rise/fall time

matching (tLR/tLF)

excluding the ﬁrst transition

from Idle state

125

VCRS

output signal crossover

voltage

excluding the ﬁrst transition

from idle state; see Figure 8

[2] 1.3

2.0

Driver timing

Full-speed mode (SPEED = HIGH)

tPLH(drv)

driver propagation delay

LOW-to-HIGH; see Figure 8

--18

tPHL(drv)

(VO/VPO, FSE0/VMO to

+,D−)

HIGH-to-LOW; see Figure 8

--18

tPHZ

driver disable delay

HIGH-to-OFF; see Figure 6

--15

tPLZ

(OE to D

+,D−)

LOW-to-OFF; see Figure 6

--15

tPZH

driver enable delay

OFF-to-HIGH; see Figure 6

--15

tPZL

(OE to D

+,D−)

OFF-to-LOW; see Figure 6

--15

Low-speed mode (SPEED = LOW)

Not speciﬁed: low-speed delay timings are dominated by the slow rise/fall times tLR and tLF.

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