isp1122 NXP Semiconductors, isp1122 Datasheet - Page 33

• Manufacturer Part Number: isp1122
• Description: Isp1122 Universal Serial Bus Stand-alone Hub
• Manufacturer: NXP Semiconductors

Table 31: Dynamic characteristics: overcurrent sense pins
V
[1]
Table 32: Dynamic characteristics: analog I/O pins (D , D ); full-speed mode
V
[1]
[2]
[3]
Philips Semiconductors
9397 750 07002
Product specification
Symbol
t
Symbol
Driver characteristics
t
t
FRFM
V
Data source timing
t
t
t
t
Receiver timing
t
t
t
t
Hub timing (downstream ports configured as full-speed)
t
t
t
t
trip
FR
FF
DJ1
DJ2
FEOPT
FDEOP
JR1
JR2
FEOPR
FST
FHDD
FSOP
FEOPD
FHESK
CC
CC
CRS
= 4.0 to 5.5 V; V
Operating modes 0, 1, 4 and 5; see
= 4.0 to 5.5 V; V
Test circuit: see
Excluding the first transition from Idle state.
Characterized only, not tested. Limits guaranteed by design.
Parameter
overcurrent trip response time
from OCn LOW to PSWn HIGH
Parameter
rise time
fall time
differential rise/fall time
matching (t
output signal crossover voltage
source differential jitter for
consecutive transitions
source differential jitter for
paired transitions
source EOP width
source differential data-to-EOP
transition skew
receiver data jitter tolerance for
consecutive transitions
receiver data jitter tolerance for
paired transitions
receiver SE0 width
width of SE0 during differential
transition
hub differential data delay
(without cable)
data bit width distortion after
SOP
hub EOP delay relative to t
hub EOP output width skew
Figure
GND
GND
= 0 V; T
= 0 V; T
22.
FR
/t
FF
)
amb
amb
Table
= 40 to 85 C; unless otherwise specified.
= 40 to 85 C; C
4.
HDD
Conditions
see
Conditions
C
10 to 90% of V
C
10 to 90% of V
see
see
see
see
see
see
accepted as EOP;
see
rejected as EOP;
see
see
C
see
see
see
L
L
L
Rev. 03 — 29 March 2000
= 50 pF;
= 50 pF;
= 0 pF
Figure 14
Figure 15
Figure 15
Figure 16
Figure 16
Figure 17
Figure 17
Figure 16
Figure 18
Figure
Figure 19
Figure 20
Figure 20
L
= 50 pF; R
19;
OH
OH
PU
V
V
OL
OL
= 1.5 k on D to V
[2] [3]
[2] [3]
[2] [3]
[1]
[2]
[3]
[3]
[3]
[3]
[3]
[3]
[3]
[3]
[3]
[3]
Min
-
Min
4
4
90
1.3
160
82
-
-
0
3.5
4
2
18.5
9
5
15
[1]
TERM
Typ
-
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
.; unless otherwise specified.
USB stand-alone hub
© Philips Electronics N.V. 2000. All rights reserved.
Max
15
Max
20
20
111.11
2.0
175
-
14
44
15
3.5
4
5
18.5
9
5
15
ISP1122
Unit
ms
Unit
ns
ns
%
V
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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