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參數(shù)資料
| 型號： | UPD720113GK-9EU-A |
| 廠商： | Renesas Electronics America |
| 文件頁數(shù)： | 16/34頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC HUB CTLR USB2.0 7-PORTS QFP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 控制器類型： | USB 2.0 集線器控制器 |
| 接口： | USB 2.0 |
| 電源電壓： | 2.5 V，3.3 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 80-TQFP |
| 供應(yīng)商設(shè)備封裝： | 80-TQFP |
| 包裝： | 托盤 |
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Data Sheet S16618EJ3V0DS
21
PD720113
(3/4)
Parameter
Symbol
Conditions
MIN.
MAX.
Unit
Hub Event Timings
Time to detect a downstream facing port
connect event (Figure 2-19):
Awake hub
Suspended hub
tDCNN
2.5
2000
12000
s
Time to detect a disconnect event at a
hub’s downstream facing port (Figure 2-18)
tDDIS
2.0
2.5
s
Duration of driving resume to a
downstream port (only from a controlling
hub)
tDRSMDN
20
ms
Time from detecting downstream resume
to rebroadcast
tURSM
1.0
ms
Duration of driving reset to a downstream
facing port (Figure 2-20)
tDRST
Only for a SetPortFeature
(PORT_RESET) request
10
20
ms
Time to detect a long K from upstream
tURLK
2.5
100
s
Time to detect a long SE0 from upstream
tURLSE0
2.5
10000
s
Duration of repeating SE0 upstream (for
low-/full-speed repeater)
tURPSE0
23
FS Bit
times
Inter-packet delay (for high-speed) of
packets traveling in same direction
tHSIPDSD
88
Bit
times
Inter-packet delay (for high-speed) of
packets traveling in opposite direction
tHSIPDOD
8
Bit
times
Inter-packet delay for device/root hub
response with detachable cable for high-
speed
tHSRSPIPD1
192
Bit
times
Time of which a Chirp J or Chirp K must be
continuously detected (filtered) by hub or
device during Reset handshake
tFILT
2.5
s
Time after end of device Chirp K by which
hub must start driving first Chirp K in the
hub’s chirp sequence
tWTDCH
100
s
Time for which each individual Chirp J or
Chirp K in the chirp sequence is driven
downstream by hub during reset
tDCHBIT
40
60
s
Time before end of reset by which a hub
must end its downstream chirp sequence
tDCHSE0
100
500
s
Time from internal power good to device
pulling D
+ beyond VIHZ (Figure 2-20)
tSIGATT
100
ms
Debounce interval provided by USB
system software after attach (Figure 2-20)
tATTDB
100
ms
Maximum duration of suspend averaging
interval
tSUSAVGI
1
s
Period of idle bus before device can initiate
resume
tWTRSM
5
ms
Duration of driving resume upstream
tDRSMUP
1
15
ms
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