ISP1521BEUM ST-Ericsson Inc, ISP1521BEUM Datasheet - Page 42

• 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 46.
V
[1]
[2]
[3]
[4]
[5]
CD00222695
Product data sheet
Symbol
Clock frequency
f
General timing
t
t
t
t
C
SDA timing
t
t
t
t
t
t
Additional I
t
SCL
(SCL)L
(SCL)H
r
f
BUF
SU;STA
HD;STA
SU;DAT
HD;DAT
SU;STO
VD;DAT
CC
Fig 16. I
b
and T
f
Rise time is determined by C
Set-up time for (repeated) START condition.
Hold time for (repeated) START condition.
SCL LOW to data-out valid time.
SDA
SCL
SCL
=
amb
1
⁄
P
2
64
Parameter
SCL clock frequency
LOW period of the SCL clock
HIGH period of the SCL clock
rise time
fall time
capacitive load for each bus line
bus free time between a STOP and
START condition
setup time for the START condition
hold time for the START condition
data setup time
data hold time
STOP condition setup time
data valid time
Dynamic characteristics: I
C-bus timing
2
C-bus timing
× f
within recommended operating range; V
XTAL
t
BUF
.
S
t
HD;STA
b
and pull-up resistor value R
t
SU;DAT
2
C-bus (pins SDA and SCL)
t
HD;DAT
Rev. 07 — 4 February 2010
Conditions
f
SDA and SCL signals
SDA and SCL signals
XTAL
t
t
DD
r
(SCL)H
= 12 MHz
p
= 5 V; V
(typical 4.7 kΩ).
t
f
t(
SCL)L
SS
= V
GND
; V
t
SU;STA
IL
and V
Sr
[1]
[2]
[3]
[4]
[5]
IH
between V
Min
0
4.7
4.0
-
-
-
4.7
4.7
4.0
250
0
4.0
-
Hi-Speed USB hub controller
Typ
93.75
-
-
-
-
-
-
-
-
-
-
-
-
SS
© ST-ERICSSON 2010. All rights reserved.
and V
ISP1521
100
-
Max
-
1000
300
400
-
-
-
-
-
-
0.4
DD
t
SU;STO
004aaa814
.
P
Unit
kHz
μs
μs
ns
ns
pF
μs
μs
μs
ns
μs
μs
μs
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