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参数资料
| 型号： | MAX4889CETO+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/12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 |
| 标准包装： | 2,500 |
| 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： | 带卷 (TR) |
General Description
The MAX4889B/MAX4889C high-speed passive switch-
es route PCI Express (PCIe) data between two possi-
ble destinations in desktop or notebook PCs. The
MAX4889B/MAX4889C are quad double-pole/double-
throw (4 x DPDT) switches ideal for switching four half
lanes of PCIe data between two destinations. The
MAX4889B/MAX4889C feature a single digital control
input (SEL) to switch signal paths.
The MAX4889C is intended for use in systems (e.g.,
SAS) where both the input and output are capacitively
coupled, and provides a 10A (typ) source current and
a 60k
Ω (typ) internal biasing resistor to GND at the
_OUT_ terminals.
The MAX4889B/MAX4889C are fully specified to oper-
ate from a single +3.3V (typ) power supply. Both
devices are available in an industry-standard 3.5mm x
9.0mm, 42-pin TQFN package. These devices operate
over the -40°C to +85°C extended temperature range.
Applications
Desktop PCs
Notebook PCs
Servers
Video Graphics Cards—SLI
(Scaled Link Interface) and CrossFire
Features
Single +3.3V Power-Supply Voltage
Support PCIe Gen I, Gen II, and Gen III Data Rates
Supports SAS I, SAS II, and SAS 6.0Gbps
(MAX4889C)
Superior Return Loss
Better than -10dB (typ) at 5.0GHz
Small 3.5mm x 9.0mm, 42-Pin TQFN Package
Industry-Standard Pinouts
MAX4889B/MAX4889C
2.5/5.0/8.0Gbps PCIe Passive Switches
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
19-4148; Rev 2; 8/10
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.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed pad.
EVALUATION
KIT
AVAILABLE
PART
TEMP RANGE
PIN-PACKAGE
MAX4889BETO+
-40°C to +85°C
42 TQFN-EP*
MAX4889CETO+
-40°C to +85°C
42 TQFN-EP*
Pin Configuration
TOP VIEW
MAX4889B
MAX4889C
TQFN
18
19
20
21
GND
VCC
GND
VCC
42
+
41
40
39
GND
VCC
GND
VCC
1
2
3
4
5
6
7
8
9
1011121314151617
38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
COUTB+
COUTB-
DIN+
DIN-
DOUTB+
DOUTB-
CIN-
CIN+
V
CC
BOUTB-
BOUTB+
BIN-
BIN+
AOUTB-
AOUTB+
AIN-
AIN+
COUTA-
V
CC
GND
DOUTA+
DOUTA-
GND
COUTA+
GND
SEL
V
CC
BOUTA-
BOUTA+
V
CC
GND
AOUTA-
AOUTA+
GND
*CONNECT EXPOSED PAD TO GROUND.
*EP
PCI Express is a registered service mark of PCI-SIG Corporation.
SLI is a registered trademark of NVIDIA Corporation.
CrossFire is a trademark of ATI Technologies, Inc.
Typical Operating Circuit appears at end of data sheet.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4889ETO | 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 |
| 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 |
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