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参数资料
| 型号： | MAX3346EEUD+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 17/17页 |
| 文件大小： | 0K |
| 描述： | IC USB TXRX ESD PROTECT 14TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 96 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | USB 2.0 |
| 电源电压： | 4 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 管件 |
| 产品目录页面： | 1407 (CN2011-ZH PDF) |
MAX3346E
±15kV ESD-Protected USB Transceiver
in UCSP
_______________________________________________________________________________________
9
SUSP
SUSP, or suspend, is a control input. When SUSP is
forced high the MAX3346E enters a low-power state. In
this state, the quiescent supply current into VCC is less
than 40A. In this mode, RCV is forced low, and D+ and
D- are high-impedance inputs (Table 3d).
In suspend mode, data can only be transmitted with
full-speed slope control.
SPEED
SPEED is a control input that selects between low-speed
(1.5Mbps) and full-speed (12Mbps) USB transmission.
Internally, it selects whether the 1.5k pullup resistor is
connected to D+ (full-speed) or D- (low-speed)
(Functional Diagram). Force SPEED high to select full
speed, or force SPEED low to select low speed.
VTRM
VTRM is the 3.3V output of the internal linear voltage
regulator. The regulator is used to power the internal
portions of the USB side of the MAX3346E. The VTRM
regulator’s supply input is VCC. Connect a 1.0F (or
greater) ceramic or plastic capacitor from VTRM to
GND, as close to VTRM as possible. Do not use VTRM
to provide power to external circuitry.
D+ and D-
D+ and D- are the transceiver I/O connections, and are
ESD protected to ±15kV using the Human Body Model,
making the MAX3346E ideal for applications where a
robust transmitter is required.
VCC
Bypass VCC to GND with a 1F capacitor. Place the
1F capacitor as close as possible to the MAX3346E.
Figure 1b. Enable and Disable Timing, Transmitter
Figure 1a. Enable and Disable Timing, Receiver
D+/D-
tPDZ
tPZD
VOHD - 0.3V
VOLD + 0.3V
VL
0V
VL/2
OE
VPO
tPHLO
VL
0V
D+
D-
0V
VTRM
VL/2
tPLHO
Figure 2. Mode 0 Timing
tPLH1
VL
0V
VTRM
VL/2
D+
VP
VM
D-
VL
0V
tPHL1
VL/2
tPLH1
tPHL1
VL/2
Figure 3. Mode 1 Timing
VP/VM
VOH - 0.3V
tPZV
tPVZ
VOL + 0.3V
VL
0V
VL/2
OE
Timing Diagrams
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3346EEUD+ | 功能描述:USB 接口集成电路 ESD-Protected USB Tcvr RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| MAX3346EEUD+T | 功能描述:USB 接口集成电路 ESD-Protected USB Tcvr RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| MAX3346EEUD-T | 功能描述:USB 接口集成电路 RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| MAX3349EAEBE+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX3349EAEBE+T | 功能描述:USB 接口集成电路 USB 2.0 Full-Speed Transceiver RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
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