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參數(shù)資料
| 型號： | MAX3455EETE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Single Full-Duplex LVDS Transceiver 14-TSSOP -40 to 85 |
| 中文描述： | LINE TRANSCEIVER, QCC16 |
| 封裝： | 3 X 3 MM, 0.80 MM HEIGHT, MO-220WEED-2, TQFN-16 |
| 文件頁數(shù)： | 11/19頁 |
| 文件大小： | 366K |
| 代理商： | MAX3455EETE |
M
±15kV ESD-Protected USB Transceivers
______________________________________________________________________________________
11
Disable Mode
Connect V
BUS
to a system power supply and leave V
L
unconnected or connect to GND. D+ and D- enter a tri-
state mode and V
BUS
(or V
BUS
and V
TRM
) consumes
less than 20μA of supply current. D+ and D- withstand
external signals up to +5.5V in disable mode (Table 2).
Sharing Mode
Connect V
L
to a system power supply and leave V
BUS
(or V
BUS
and V
TRM
) unconnected or connect to GND.
D+ and D- enter a tri-state mode, allowing other circuitry
to share the USB D+ and D- lines, and V
L
consumes less
than 20μA of supply current. D+ and D- withstand
external signals up to +5.5V in sharing mode (Table 2).
Device Control
OE
OE
controls the direction of communication. Drive
OE
low to transfer data from the logic side to the USB side.
For
OE
= low, VP and VM serve as differential driver
inputs to the USB transmitter.
Drive
OE
high to transfer data from the USB side to the
logic side. For
OE
= high, VP and VM serve as single-
ended receiver outputs from the USB inputs
(D+ and D-). RCV serves as a differential receiver out-
put, regardless of the state of
OE
.
ENUM (MAX3453E/MAX3454E)
The MAX3453E/MAX3454E feature an enumerate func-
tion that allows software control of USB enumeration.
USB protocol requires a 1.5k
pullup resistor to D+ or
D- to indicate the transmission speed to the host (see
the
SPD
section). The MAX3453E/MAX3454E provide
an internal 1.5k
pullup resistor. Disconnect the pullup
resistor from the circuit to simulate the removal of a
device from the USB. Drive ENUM low to disconnect
the internal pullup resistor. Drive ENUM high to connect
the internal pullup resistor. The SPD state (MAX3454E
only) determines whether the pullup resistor connects
to D+ or D-. For ENUM = high, the internal pullup resis-
tor connects to D+ when SPD = V
L
(full speed) or to D-
when SPD = GND (low speed). The MAX3453E only
supports full-speed operation; therefore, the pullup
resistor only connects to D+ or is disconnected.
Figure 1. Rise and Fall Times
V
OHD
V
OLD
90%
10%
90%
10%
t
FR
, t
LR
t
FF
, t
LF
Table 3a. Transmit Truth Table
(
OE
= 0, SUS = 0)
INPUTS
VP
0
0
1
1
OUTPUTS
D-
0
1
0
1
VM
0
1
0
1
D+
0
0
1
1
RCV
X
0
1
X
OUTPUT STATE
SE0
Logic 0
Logic 1
Undefined
X
= Undefined.
Table 3b. Transmit Truth Table
(
OE
= 0, SUS = 1)
INPUTS
VP
0
0
1
1
OUTPUTS
D-
0
1
0
1
VM
0
1
0
1
D+
0
0
1
1
RCV
0
0
0
0
OUTPUT STATE
SE0
Logic 0
Logic 1
Undefined
Table 4a. Receive Truth Table
(
OE
= 1 and SUS = 0)
INPUTS
D+
0
0
1
1
OUTPUTS
VM
0
1
0
1
D-
0
1
0
1
VP
0
0
1
1
RCV
X
0
1
X
OUTPUT STATE
SE0
Logic 0
Logic 1
Undefined
X
= Undefined.
Table 4b. Receive Truth Table
(
OE
= 1 and SUS = 1)
INPUTS
D+
0
0
1
1
OUTPUTS
VM
0
1
0
1
D-
0
1
0
1
VP
0
0
1
1
RCV
0
0
0
0
OUTPUT STATE
SE0
Logic 0
Logic 1
Undefined
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3455EEUD | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX3455EEUD-T | 制造商:Maxim Integrated Products 功能描述::15KV ESD-PROTECTED USB TRANSCEIVERS - Tape and Reel |
| MAX34561EVKIT# | 功能描述:電源管理IC開發(fā)工具 12V&5V DUAL E-FUSE RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX34561T+ | 功能描述:熱插拔功率分布 12V/5V Hot-Plug Switch RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX34561T+T | 功能描述:熱插拔功率分布 12V/5V Hot-Plug Switch RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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