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| 型号： | MAX3345EEUE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/15页 |
| 文件大小： | 0K |
| 描述： | IC USB TXRX W/DETECT 16-TSSOP |
| 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： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 管件 |
| 产品目录页面： | 1407 (CN2011-ZH PDF) |
MAX3344E/MAX3345E
Detailed Description
The MAX3344E/MAX3345E are bidirectional transceivers
that convert single-ended or differential logic-level signals
to differential USB signals, and convert differential USB
signals to single-ended or differential logic-level signals.
The MAX3344E/MAX3345E are operational from VCC =
5.5V to VCC = 3V (electrical specifications are not guaran-
teed for VCC < 4V). Both devices include an internal
1.5k pullup resistor that connects and disconnects D+
to VTRM (see the Functional Diagram).
The MAX3344E/MAX3345E are tolerant to power seq-
uencing with either VCC > VL or VL > VCC. Additionally,
the USB I/O, D+ and D-, and VCC are ESD protected to
±15kV. The MAX3344E/MAX3345E can receive USB
power (VCC) directly from the USB connection and
operate with logic supplies (VL) down to 1.65V, while
still meeting the USB physical layer specifications. The
MAX3344E/MAX3345E support full-speed (12Mbps)
USB specification 2.0 operation.
The MAX3344E/MAX3345E have an enumerate feature
that functions when power is applied. Driving ENUM low
disconnects the internal 1.5k pullup resistor from D+
enumerating the USB. This is useful if changes in commu-
nication protocol are required while power is applied, and
while the USB cable is connected.
±15kV ESD-Protected USB Transceivers
in UCSP with USB Detect
6
_______________________________________________________________________________________
Pin Description
PIN
TSSOP
UCSP
NAME
INPUT/
OUTPUT
FUNCTION
1D2
RCV
Output
Receiver Output. Single-ended CMOS output. RCV responds to the differential input
on D+ and D-.
2D1
VPO
Input
Logic-Level Data Input. VPO is level translated to D+.
3C2
MODE
Input
Mode-Control Input. Selects differential (mode 1) or single-ended (mode 0) input for
the system side when converting logic-level signals to USB level signals. Force
MODE high to select mode 1. Force MODE low to select mode 0.
4C1VMO
Input
Logic-Level Data Input. VMO is level translated to D-.
5B1
OE
Input
Output Enable. Drive
OE low to enable data transmission on D+ and D-. Drive OE
high to disable data transmission or to receive data.
6B2
SUSP
Input
Suspend Input. Drive SUSP low for normal operation. Drive SUSP high for low-power
state. In low-power state, RCV is low and VPI/VMI are active.
7A1
VPI
Output
Logic-Level Data Output. VPI is the level-translated value of D+.
8A2
VMI
Output
Logic-Level Data Output. VMI is the level-translated value of D-.
9B3
ENUM
Input
Enumerate. Drive ENUM high to connect the internal 1.5k resistor from D+ to 3.3V.
Drive ENUM low to disconnect the internal 1.5k resistor.
10
A3
VCC
Power
USB-Side Power-Supply Input. Connect VCC to the incoming USB power supply.
Bypass VCC to GND with a 1F ceramic capacitor.
11
A4
GND
Power
Ground
12
B4
D-
Input/
Output
Negative USB Differential Data Input/Output. Connect to the USB’s D- signal through
a 23.7
±1% resistor.
13
C4
D+
Input/
Output
Positive USB Differential Data Input/Output. Connect to the USB’s D+ signal through
a 23.7
±1% resistor.
14
D4
VTRM
Power
Regulated Output Voltage. VTRM provides a 3.3V output derived from VCC. Bypass
VTRM to GND with a 1F (min) low-ESR capacitor, such as ceramic or plastic film types.
15
D3
VL
Power
System-Side Power-Supply Input. Connect to the system’s logic-level power supply,
1.65V to 3.6V.
16
C3
USB_DET
Output
USB Detector Output. A high at USB_DET signals to the ASIC that VCC is present. A
low at USB_DET indicates that VCC is not present. The MAX3344E USB_DET
threshold is between 3.6V (min) and 4V (max), while the MAX3345E USB_DET
threshold is between 1V (min) and 2.8V (max).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3345EEUE+ | 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 |
| MAX3345EEUE+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 |
| MAX3345EEUE-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 |
| MAX3346EEBE | 制造商:Maxim Integrated Products 功能描述:+/-15KV ESD-PROTECTED USB TRANSCEIV - Rail/Tube |
| MAX3346EEBE+ | 制造商:Maxim Integrated Products 功能描述:+/-15KV ESD-PROTECTED USB TRANSCEIV - Rail/Tube |
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