參數(shù)資料
型號： MAX4889BETO+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/12頁
文件大?。?/td> 0K
描述： IC SWITCH OCTAL SPDT 42TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
功能： 開關(guān)
電路： 8 x SPDT
導(dǎo)通狀態(tài)電阻： 7 歐姆
電壓電源： 單電源
電壓 - 電源，單路/雙路(±)： 1.65 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 42-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 42-TQFN-EP（3.5x9）
包裝： 帶卷 (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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4889BEVKIT+ 功能描述:交換機(jī) IC 開發(fā)工具 MAX4889B Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:USB Power Switches 工具用于評估:MAX4984E 工作電源電壓:2.8 V to 5.5 V
MAX4889CETO+ 功能描述:多路器開關(guān) IC 2.5/5.0/8.0Gbps PCIe Passive Switch RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 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:UQFN-16
MAX4889CETO+T 功能描述:多路器開關(guān) IC 2.5/5.0/8.0Gbps PCIe Passive Switch RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 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:UQFN-16
MAX4889ETO 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX4889ETO+ 功能描述:多路器開關(guān) IC 2.5Gbps PCI Express Passive Switch RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 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:UQFN-16
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