参数资料
型号: MAX3346EEBE+T
厂商: Maxim Integrated Products
文件页数: 15/17页
文件大小: 0K
描述: IC USB TXRX ESD PROTECT 16-UCSP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
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-WFBGA,CSPBGA
供应商设备封装: 16-UCSP(2x2)
包装: 带卷 (TR)
MAX3346E
±15kV ESD-Protected USB Transceiver
in UCSP
_______________________________________________________________________________________
7
Detailed Description
The MAX3346E is a bidirectional transceiver that con-
verts single-ended or differential logic-level signals to
differential USB signals, and converts differential USB
signals to single-ended or differential logic-level sig-
nals. The MAX3346E includes an internal 1.5k pullup
resistor that can be connected to either D+ or D- for
full-speed or low-speed operation (see the Functional
Diagram). The MAX3346E can be energized without
concern about power-supply sequencing. Additionally,
the USB I/O, D+ and D-, are ESD protected to ±15kV.
The MAX3346E can get its USB-side power, VCC,
directly from the USB connection, and can operate with
system-side power, VL, down to 1.65V and still meet the
USB physical layer specifications. The MAX3346E sup-
ports both full-speed (12Mbps) and low-speed
(1.5Mbps), USB specification 1.1 operation.
The MAX3346E has an enumerate feature that works
when power is on. Driving ENUM low disconnects the
internal 1.5k pullup resistor from both D+ and D-,
reenumerating the USB. This is useful if changes in com-
munication protocol are required while power is applied,
and while the USB cable is connected.
PIN
TSSOP
UCSP
NAME
INPUT/
OUTPUT
FUNCTION
7B2
SUSP
Input
Suspend Input. Drive SUSP low for normal operation. Force SUSP high for low-
power state. In low-power state RCV is low, D+/D- are high impedance if OE is
floating, and VP/VM are active outputs.
8A2
SPEED
Input
USB Transmission Speed Select Input. If SPEED is forced high, full speed
(12Mbps) is selected and the internal 1.5k pullup resistor is connected to D+.
If SPEED is forced low, low speed (1.5Mbps) is selected and the internal 1.5k
pullup resistor is connected to D-.
9A3
VCC
Power
USB-Side Power-Supply Input. Connect VCC to the incoming USB power supply.
Bypass VCC to GND with a 1F ceramic capacitor.
10
A4
GND
Power
Ground
11
B4
D-
Input/
Output
USB Differential Data Input/Output. Connect to the USB’s D- signal through a
24.3 ±1% resistor.
12
C4
D+
Input/
Output
USB Differential Data Input/Output. Connect to the USB’s D+ signal through a
24.3 ±1% resistor.
13
D4
VTRM
Power
Regulated Output Voltage. 3.3V output derived from the VCC input. Bypass
VTRM to GND with a 1F (or more) low-ESR capacitor, such as ceramic or
plastic film types.
14
D3
VL
Power
System-Side Power-Supply Input. Connect to the system’s logic-level power
supply, 1.65V to 3.6V. Bypass to GND with a 0.1F capacitor.
B3, C3
Not populated. The solder sphere is omitted from these locations (see the
Package Information).
Pin Description (continued)
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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 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+ 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: