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参数资料
| 型号： | MAX4889ETO+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH OCTAL SPDT 42TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program Low Voltage Analog Switches Overview |
| 标准包装： | 28 |
| 功能： | 开关 |
| 电路： | 8 x SPDT |
| 导通状态电阻： | 7 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 1.65 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 42-WFQFN 裸露焊盘 |
| 供应商设备封装： | 42-TQFN-EP（3.5x9） |
| 包装： | 管件 |
General Description
The MAX4888/MAX4889 high-speed passive switches
route PCI Express (PCIe) data between two possible
destinations. The MAX4888 is a quad single-pole/double-
throw (4 x SPDT) switch ideally suited for switching two
half lanes of PCIe data between two destinations. The
MAX4889 is an octal single-pole/double-throw (8 x SPDT)
switch ideal for switching four half lanes of PCIe data
between four destinations. The MAX4888/MAX4889 fea-
ture a single digital control input (SEL) to switch signal
paths.
The MAX4888/MAX4889 are fully specified to operate
from a single 3.0V to 3.6V power supply and also oper-
ate down to +1.65V. The MAX4888 is available
in a 3.5mm x 5.5mm, 28-pin TQFN package. The
MAX4889 is available in a 3.5mm x 9.0mm, 42-pin TQFN
package. Both devices operate over the -40°C to +85°C
temperature range.
Applications
Desktop Computers
Servers/Storage Area Networks
Laptops
Features
o Single 1.65V to 3.6V Power-Supply Voltage
o Low Same-Pair Skew of 7ps
o Low 120A (Max) Quiescent Current
o Supports PCIe Gen I Data Rates
o Flow-Through Pin Configuration for Ease of
Layout
o Industry-Compatible Pinout
o Lead-Free Packaging
MAX4888/MAX4889
2.5Gbps PCI Express Passive Switches
________________________________________________________________
Maxim Integrated Products
1
MAX4888
TOP VIEW
TQFN
11
12
13
14
V+
GND
*EP
V+
GND
28
+
27
26
25
V+
GND
V+
GND
123456789
10
24 23 22 21 20 19 18 17 16 15
GND
N.C.
V+
COM2-
COM2+
COM1-
COM1+
N.C.
SEL
GND
NO2-
NO2+
NO1-
NO1+
V+
GND
NC2-
NC2+
NC1-
NC1+
MAX4889
TQFN
18
19
20
21
V+
GND
V+
GND
42
+
41
40
39
V+
GND
V+
GND
123456789
10 11 12 13 14 15 16 17
38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
COM3-
V+
GND
COM4+
COM4-
GND
COM3+
GND
SEL
V+
COM2-
COM2+
V+
GND
COM1-
COM1+
GND
NC4+
NC4-
NO3+
NO3-
NO4+
NO4-
NC3-
NC3+
V+
NO2-
NO2+
NO1-
NO1+
NC2-
NC2+
NC1-
NC1+
*CONNECT EXPOSED PADDLE TO GROUND.
*EP
Pin Configurations
Ordering Information/
Selector Guide
19-0724; Rev 0; 5/07
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim's website at www.maxim-ic.com.
Note: All devices are specified over the -40°C to +85°C operat-
ing temperature range.
+
Denotes lead-free package.
*
EP = Exposed paddle.
PART
PIN-
PACKAGE
CONFIGURATION
PKG
CODE
MAX4888ETI+ 28 TQFN-EP*
Two
Half Lanes
T283555-1
MAX4889ETO+ 42 TQFN-EP*
Four Half
Lanes
T423590M-1
Typical Application Circuit appears at end of data sheet.
PCI Express is a registered trademark of PCI-Sig Corp.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4889ETO+ | 功能描述:多路器开关 IC 2.5Gbps PCI Express Passive Switch RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 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:UQFN-16 |
| MAX4889ETO+T | 功能描述:多路器开关 IC 2.5Gbps PCI Express Passive Switch RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 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:UQFN-16 |
| MAX4889ETO-T | 功能描述:模拟开关 IC RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX488C/D | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX488C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
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