參數(shù)資料
型號： ISP1521BE
廠商： NXP SEMICONDUCTORS
元件分類： 總線控制器
英文描述： Hi-Speed Universal Serial Bus hub controller
中文描述： UNIVERSAL SERIAL BUS CONTROLLER, PQFP80
封裝： 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-315-1, LQFP-80
文件頁數(shù)： 40/53頁
文件大?。?/td> 270K
代理商： ISP1521BE
Philips Semiconductors
ISP1521
Hi-Speed USB hub controller
Product data
Rev. 03 — 24 November 2004
40 of 53
9397 750 13702
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
[1]
[2]
Excluding the first transition from idle state.
Characterized only, not tested. Limits guaranteed by design.
[1]
[2]
Excluding the first transition from idle state.
Characterized only, not tested. Limits guaranteed by design.
t
FSOP
t
FEOPD
t
FHESK
data bit width distortion after SOP
hub EOP delay relative to t
HDD
hub EOP output width skew
see
Figure 14
see
Figure 15
see
Figure 15
5
0
15
-
-
-
+5
15
+15
ns
ns
ns
Table 44:
V
CC
= 3.0 V to 3.6 V; T
amb
=
40
°
C to +70
°
C; test circuit
Figure 22
; unless otherwise specified.
Symbol
Parameter
Dynamic characteristics: full-speed source electrical characteristics
…continued
Conditions
Min
Typ
Max
Unit
Table 45:
V
CC
= 3.0 V to 3.6 V; T
amb
=
40
°
C to +70
°
C; test circuit
Figure 22
; unless otherwise specified.
Symbol
Parameter
Driver characteristics
t
LR
rise time
t
LF
fall time
t
LRFM
differential rise and fall time
matching
V
CRS
output signal crossover voltage
Hub timing (downstream ports configured as full-speed)
t
LHDD
hub differential data delay
t
LSOP
data bit width distortion after SOP
t
LEOPD
hub EOP delay relative to t
HDD
t
LHESK
hub EOP output width skew
Dynamic characteristics: low-speed source electrical characteristics
Conditions
Min
Typ
Max
Unit
75
75
-
-
-
300
300
125
ns
ns
%
[1]
80
[1][2]
1.3
-
2.0
V
see
Figure 14
see
Figure 14
see
Figure 15
see
Figure 15
-
-
-
-
-
300
+60
200
+300
ns
ns
ns
ns
[2]
60
[2]
0
[2]
300
T
PERIOD
is the bit duration corresponding with the USB data rate.
Fig 10. Source differential data jitter.
mgr870
T
PERIOD
differential
data lines
crossover point
crossover point
crossover point
consecutive
transitions
N
×
T
PERIOD
+
t
DJ1
paired
transitions
N
×
T
PERIOD
+
t
DJ2
+
3.3 V
0 V
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ISP1521BE,551 功能描述:USB 接口集成電路 USB2 7 PORT HUB RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1521BE,557 功能描述:USB 接口集成電路 DO NOT USE ORDER -S OR -T PART RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
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