參數(shù)資料
型號: ISP1520
廠商: NXP Semiconductors N.V.
英文描述: Hi-Speed Universal Serial Bus hub controller
中文描述: 高速通用串行總線控制器樞紐
文件頁數(shù): 34/51頁
文件大?。?/td> 259K
代理商: ISP1520
Philips Semiconductors
ISP1520
Hi-Speed USB hub controller
Product data
Rev. 02 — 04 May 2004
34 of 51
9397 750 11689
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
[1]
[2]
All pins are 5 V tolerant.
The bus capacitance (C
b
) is specified in pF. To meet the specification for V
OL
and the maximum rise time (300 ns), use an external
pull-up resistor with R
max
= 850/C
b
k
and R
min
= (V
CC
0.4)/3 k
.
Table 38:
V
CC
= 3.0 V to 3.6 V; T
amb
= 0
°
C to 70
°
C; unless otherwise specified.
Symbol
Parameter
Input pin SCL and input/output pin SDA
[1]
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage
V
hys
hysteresis voltage
V
OL
LOW-level output voltage
t
f
output fall time V
IH
to V
IL
Static characteristics: I
2
C-bus interface block
Conditions
Min
Typ
Max
Unit
-
2.1
0.15
-
-
-
-
-
0
0.9
-
-
0.4
250
V
V
V
V
ns
10 < C
b
= 10 pF to 400 pF
[2]
-
Table 39:
V
CC
= 3.0 V to 3.6 V; T
amb
= 0
°
C to 70
°
C; unless otherwise specified.
Symbol
Parameter
Input levels for high-speed
V
HSSQ
squelch detection threshold
(differential signal amplitude)
Static characteristics: USB interface block (DP0 to DP4 and DM0 to DM4)
Conditions
Min
Typ
Max
Unit
squelch detected
no squelch detected
-
150
50
-
-
-
100
-
+500
mV
mV
mV
V
HSCM
data signaling common-mode
voltage range
Output levels for high-speed
V
HSOI
idle state
V
HSOH
data signaling HIGH
V
HSOL
data signaling LOW
V
CHIRPJ
chirp J level (differential voltage)
V
CHIRPK
chirp K level (differential voltage)
Input levels for full-speed and low-speed
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage (drive)
V
IHZ
HIGH-level input voltage (floating)
V
DI
differential input sensitivity
V
CM
differential common-mode range
Output levels for full-speed and low-speed
V
OL
LOW-level output voltage
V
OH
HIGH-level output voltage
V
CRS
output signal crossover point
voltage
Leakage current
I
LZ
OFF-state leakage current
Capacitance
C
IN
transceiver capacitance
10
360
10
-
-
-
-
-
+10
440
+10
1100
500
mV
mV
mV
mV
mV
[1]
700
[1]
900
-
2.0
2.7
0.2
0.8
-
-
-
-
-
0.8
-
3.6
-
2.5
V
V
V
V
V
|
DP
DM
|
0
2.8
-
-
-
0.3
3.6
2.0
V
V
V
[2]
1.3
1
-
+1
μ
A
pin to GND
-
-
20
pF
相關PDF資料
PDF描述
ISP1520BD Hi-Speed Universal Serial Bus hub controller
ISP1521 Hi-Speed Universal Serial Bus hub controller
ISP1521BE Hi-Speed Universal Serial Bus hub controller
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