ISP1103 데이터 시트보기 (PDF) - Philips Electronics
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ISP1103 Datasheet PDF : 17 Pages
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Philips Semiconductors
ISP1103
USB transceiver
9. Dynamic characteristics
Table 11: Dynamic characteristics: analog I/O pins (D+, D−); full-speed mode [1]
VCC = VCC(3.3); VGND = 0 V; Tamb = −40 to +85 °C; CL = 50 pF; RPU = 1.5 kΩ on D+ to VTERM.; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Driver characteristics
tFR
rise time
CL = 50 pF;
4
-
20
ns
10 to 90% of |VOH − VOL|;
see Figure 5
tFF
fall time
CL = 50 pF;
4
-
20
ns
90 to 10% of |VOH − VOL|;
see Figure 5
FRFM
differential rise/fall time
matching (tFR/tFF)
VCRS
output signal crossover voltage
Driver timing
[2] 90
-
[2] [3] 1.3
-
111.1
%
2.0
V
tPLH
propagation delay
LOW-to-HIGH; see Figure 8 -
-
14
ns
tPHL
(VPO,VMO/FSE0 to D+,D−) HIGH-to-LOW; see Figure 8 -
-
14
ns
tPHZ
3-state output disable time
HIGH-to-OFF; see Figure 6 -
-
6
ns
tPLZ
(OE to D+,D−)
LOW-to-OFF; see Figure 6 -
-
5
ns
tPZH
3-state output enable time
OFF-to-HIGH; see Figure 6 -
-
14
ns
tPZL
(OE to D+,D−)
OFF-to-LOW; see Figure 6 -
-
15
ns
Receiver timing
Differential receiver
tPLH
propagation delay
tPHL
(D+,D− to RCV)
Single-ended receiver
LOW-to-HIGH; see Figure 7 -
-
8
ns
HIGH-to-LOW; see Figure 7 -
-
8
ns
tPLH
propagation delay
tPHL
(D+,D− to VP,VM)
LOW-to-HIGH; see Figure 7 -
-
5
ns
HIGH-to-LOW; see Figure 7 -
-
8
ns
[1] Test circuit: see Figure 11.
[2] Excluding the first transition from Idle state.
[3] Characterized only, not tested. Limits guaranteed by design.
Table 12: Dynamic characteristics: analog I/O pins (D+, D−); low-speed mode [1]
VCC = VCC(3.3); VGND = 0 V; Tamb = −40 to +85 °C; CL = 50 pF; RPU = 1.5 kΩ on D− to VTERM.; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Driver characteristics
tLR
rise time
CL = 200 to 600 pF;
75
-
10 to 90% of |VOH − VOL|;
see Figure 5
300
ns
tLF
fall time
CL = 200 to 600 pF;
75
-
90 to 10% of |VOH − VOL|;
see Figure 5
300
ns
LRFM
VCRS
differential rise/fall time
matching (tLR/tLF)
output signal crossover voltage
[2] 85
-
[2] [3] 1.3
-
118
%
2.0
V
9397 750 06329
Preliminary specification
Rev. 01 — 4 October 1999
© Philips Electronics N.V. 1999. All rights reserved.
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