參數(shù)資料
型號(hào): ISP1520BD,557
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件頁(yè)數(shù): 28/54頁(yè)
文件大?。?/td> 288K
代理商: ISP1520BD,557
ISP1520_4
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 04 — 28 April 2006
33 of 53
Philips Semiconductors
ISP1520
Hi-Speed USB hub controller
[1]
All pins are 5 V tolerant.
[2]
The bus capacitance (Cb) is specied in pF. To meet the specication for VOL and the maximum rise time (300 ns), use an external
pull-up resistor with Rmax = 850 / Cb k and Rmin =(VCC 0.4) / 3 k.
[3]
Output fall time VIH to VIL.
Table 38.
Static characteristics: I2C-bus interface block
VCC = 3.0 V to 3.6 V; Tamb = 40 °Cto+70 °C; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Input pin SCL and input/output pin SDA[1]
VIL
LOW-level input voltage
-
0.9
V
VIH
HIGH-level input voltage
2.1
-
V
Vhys
hysteresis voltage
0.15
-
V
VOL
LOW-level output voltage
-
0.4
V
tf
fall time
Cb =10pFto400 pF
0
250
ns
Table 39.
Static characteristics: USB interface block (DP0 to DP4 and DM0 to DM4)
VCC = 3.0 V to 3.6 V; Tamb = 40 °Cto+70 °C; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Input levels for high-speed
VHSSQ
high-speed squelch detection threshold
voltage (differential signal amplitude)
squelch detected
-
100
mV
no squelch detected
150
-
mV
VHSCM
high-speed data signaling
common-mode voltage range
50
-
+500
mV
Output levels for high-speed
VHSOI
high-speed idle level
10
-
+10
mV
VHSOH
high-speed data signaling HIGH-level
voltage
360
-
440
mV
VHSOL
high-speed data signaling LOW-level
voltage
10
-
+10
mV
VCHIRPJ
Chirp J level (differential voltage)
[1] 700
-
1100
mV
VCHIRPK
Chirp K level (differential voltage)
900
-
500
mV
Input levels for full-speed and low-speed
VIL
LOW-level input voltage
-
0.8
V
VIH
HIGH-level input voltage
driven
2.0
-
V
VIHZ
HIGH-level input voltage (oating)
2.7
-
3.6
V
VDI
differential input sensitivity
|DP DM|
0.2
-
V
VCM
differential common-mode range
0.8
-
2.5
V
Output levels for full-speed and low-speed
VOL
LOW-level output voltage
0
-
0.3
V
VOH
HIGH-level output voltage
2.8
-
3.6
V
VCRS
output signal crossover voltage
[2] 1.3
-
2.0
V
Leakage current
ILZ
off-state leakage current
1-
+1
A
Capacitance
Cin
input capacitance
pin to GND
-
20
pF
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