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Philips Semiconductors
ISP1103
USB transceiver
Preliminary specification
Rev. 01 — 4 October 1999
7 of 17
9397 750 06329
Philips Electronics N.V. 1999. All rights reserved.
9.
Dynamic characteristics
[1]
[2]
[3]
Test circuit: see
Figure 11
.
Excluding the first transition from Idle state.
Characterized only, not tested. Limits guaranteed by design.
Table 11: Dynamic characteristics: analog I/O pins (D
+
, D
); full-speed mode
[1]
V
CC
= V
CC(3.3)
; V
GND
= 0 V; T
amb
=
40 to
+
85
°
C; C
L
= 50 pF; R
PU
= 1.5 k
on D
+
to V
TERM
.; unless otherwise specified.
Symbol
Parameter
Conditions
Driver characteristics
t
FR
rise time
C
L
= 50 pF;
10 to 90% of
|
V
OH
V
OL
|
;
see
Figure 5
t
FF
fall time
C
L
= 50 pF;
90 to 10% of
|
V
OH
V
OL
|
;
see
Figure 5
FRFM
differential rise/fall time
matching (t
FR
/t
FF
)
V
CRS
output signal crossover voltage
Driver timing
t
PLH
propagation delay
(VPO,VMO/FSE0 to D
+
,D
)
t
PHL
HIGH-to-LOW; see
Figure 8
t
PHZ
3-state output disable time
(OE to D
+
,D
)
t
PLZ
LOW-to-OFF; see
Figure 6
t
PZH
3-state output enable time
(OE to D
+
,D
)
t
PZL
OFF-to-LOW; see
Figure 6
Receiver timing
Differential receiver
t
PLH
propagation delay
(D
+
,D
to RCV)
t
PHL
HIGH-to-LOW; see
Figure 7
Single-ended receiver
t
PLH
propagation delay
(D
+
,D
to VP,VM)
t
PHL
HIGH-to-LOW; see
Figure 7
Min
Typ
Max
Unit
4
-
20
ns
4
-
20
ns
[2]
90
-
111.1
%
[2] [3]
1.3
-
2.0
V
LOW-to-HIGH; see
Figure 8
-
-
-
-
-
-
-
-
-
-
-
-
14
14
6
5
14
15
ns
ns
ns
ns
ns
ns
HIGH-to-OFF; see
Figure 6
OFF-to-HIGH; see
Figure 6
LOW-to-HIGH; see
Figure 7
-
-
-
-
8
8
ns
ns
LOW-to-HIGH; see
Figure 7
-
-
-
-
5
8
ns
ns
Table 12: Dynamic characteristics: analog I/O pins (D
+
, D
); low-speed mode
[1]
V
CC
= V
CC(3.3)
; V
GND
= 0 V; T
amb
=
40 to
+
85
°
C; C
L
= 50 pF; R
PU
= 1.5 k
on D
to V
TERM
.; unless otherwise specified.
Symbol
Parameter
Conditions
Driver characteristics
t
LR
rise time
C
L
= 200 to 600 pF;
10 to 90% of
|
V
OH
V
OL
|
;
see
Figure 5
t
LF
fall time
C
L
= 200 to 600 pF;
90 to 10% of
|
V
OH
V
OL
|
;
see
Figure 5
LRFM
differential rise/fall time
matching (t
LR
/t
LF
)
V
CRS
output signal crossover voltage
Min
Typ
Max
Unit
75
-
300
ns
75
-
300
ns
[2]
85
-
118
%
[2] [3]
1.3
-
2.0
V