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參數(shù)資料
| 型號： | MAX3346EEUD+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 15/17頁 |
| 文件大小： | 0K |
| 描述： | IC USB TXRX ESD PROTECT 14TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 96 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | USB 2.0 |
| 電源電壓： | 4 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-TSSOP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1407 (CN2011-ZH PDF) |
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3346EEUD+ | 功能描述:USB 接口集成電路 ESD-Protected USB Tcvr RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| MAX3346EEUD+T | 功能描述:USB 接口集成電路 ESD-Protected USB Tcvr RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| MAX3346EEUD-T | 功能描述:USB 接口集成電路 RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| MAX3349EAEBE+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX3349EAEBE+T | 功能描述:USB 接口集成電路 USB 2.0 Full-Speed Transceiver RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
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