ISP1521BEUM ST-Ericsson Inc, ISP1521BEUM Datasheet - Page 39

• Manufacturer Part Number: ISP1521BEUM
• Description: IC USB HUB CONTROLLER HS 80-LQFP
• Manufacturer: ST-Ericsson Inc

Specifications of ISP1521BEUM

• Controller Type: USB Hub
• Interface: I²C
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 80-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Other names: 568-1884-2; ISP1521BE,518; ISP1521BE-T

Table 44.
V
[1]
[2]
Table 45.
V
[1]
[2]
CD00222695
Product data sheet
Symbol
Hub timing (downstream ports configured as full-speed)
t
t
t
t
Symbol
Driver characteristics
t
t
t
V
Hub timing (downstream ports configured as full-speed)
t
t
t
t
FHDD
FSOP
FEOPD
FHESK
LR
LF
LRFM
LHDD
LSOP
LEOPD
LHESK
CC
CC
Fig 10. Source differential data jitter
CRS
= 3.0 V to 3.6 V; T
Excluding the first transition from the idle state.
Characterized only, not tested. Limits guaranteed by design.
= 3.0 V to 3.6 V; T
Excluding the first transition from the idle state.
Characterized only, not tested. Limits guaranteed by design.
differential
data lines
+3.3 V
T
Parameter
hub differential data delay (without
cable)
data bit width distortion after SOP
hub EOP delay relative to t
hub EOP output width skew
Parameter
rise time
fall time
rise and fall time matching
output signal crossover voltage
hub differential data delay
data bit width distortion after SOP
hub EOP delay relative to t
hub EOP output width skew
PERIOD
Dynamic characteristics: full-speed source electrical characteristics
Dynamic characteristics: low-speed source electrical characteristics
0 V
is the bit duration corresponding with the USB data rate.
T
PERIOD
amb
amb
=
=
−
−
crossover point
40
40
°
°
C to +70
C to +70
N × T
HDD
HDD
consecutive
transitions
PERIOD
°
°
C; test circuit
C; test circuit
+ t
Conditions
see
see
see
see
Conditions
see
see
see
see
Rev. 07 — 4 February 2010
DJ1
Figure
Figure 14
Figure 15
Figure 15
Figure 14
Figure 14
Figure 15
Figure 15
N × T
transitions
Figure
Figure
PERIOD
paired
[2]
14; C
+ t
22; unless otherwise specified.
22; unless otherwise specified.
L
crossover point
DJ2
= 0 pF
[1][2]
…continued
[1]
[2]
[2]
[2]
Min
-
−5
0
−15
Min
75
75
80
1.3
-
−60
0
−300
Hi-Speed USB hub controller
crossover point
Typ
-
-
-
-
Typ
-
-
-
-
-
-
-
-
© ST-ERICSSON 2010. All rights reserved.
ISP1521
Max
44
+5
15
+15
Max
300
300
125
2.0
300
+60
200
+300
mgr870
Unit
ns
ns
ns
ns
Unit
ns
ns
%
V
ns
ns
ns
ns
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