參數(shù)資料
型號(hào)： MAX4950ACTX+T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 外設(shè)及接口
英文描述： Dual PCI Express Equalizer/Redriver; Package: TQFN;36 pin;37 mm² ; Temperature: 0°C to +70°C
中文描述： BUF OR INV BASED PRPHL DRVR, QCC36
封裝： 6 X 6 MM, TQFN-36
文件頁數(shù)： 1/10頁
文件大小： 531K
代理商： MAX4950ACTX+T
General Description
The MAX4950A dual PCI Express (PCIe) equalizer/
redriver operates from a single +3.3V supply. This
device improves signal integrity at the receiver through
programmable input equalization and redrive circuitry
with output deemphasis to correct for high-frequency
losses. This device permits optimal placement of key
PCIe components and longer runs of stripline,
microstrip, or cable.
The MAX4950A contains two identical channels capa-
ble of equalizing PCIe Gen I (2.5GT/s) and Gen II
(5.0GT/s) signals. The MAX4950A features electrical
idle and receiver detection on each channel and a
power-saving mode.
The MAX4950A is available in a small 36-pin (6.0mm x
6.0mm) TQFN package with flowthrough traces for opti-
mal layout and minimal space requirements. The
MAX4950A is specified over the 0°C to +70°C commer-
cial operating temperature range.
Applications
Servers
Industrial PCs
Test Equipment
Computers
External Graphics Applications
Communications Switchers
Storage Area Networks
Features
Single +3.3V Supply Operation
PCIe Gen I (2.5GT/s) and Gen II (5.0GT/s) Capable
Excellent Differential Return Loss:
≥≥ 8dB (f = 1.25GHz to 2.5GHz)
Very Low Latency with 280ps (typ) Propagation
Delay
Individual Lane Detection
Three-Level Programmable Input Equalization
Three-Level Programmable Output Deemphasis
Standard, -2.5dB Programmable Output Levels
On-Chip 50Ω Input/Output Terminations
Space-Saving, 6.0mm x 6.0mm TQFN Package
MAX4950A
Dual PCI Express Equalizer/Redriver
________________________________________________________________
Maxim Integrated Products
1
19-4583; Rev 0; 4/09
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.
PCI Express is a registered trademark of PCI-SIG Corp.
MAX4950A
27
26
25
24
23
22
21
20
19
1
TOP VIEW
2
3
4
5
TQFN
+
6
7
8
9
28
29
30
31
32
33
34
35
36
N.C.
VCC
ODEA0
ODEA1
O_AMPA
INEQA0
INEQA1
VCC
N.C.
GND
INAP
INAM
GND
EN
GND
OUTBP
OUTBM
GND
18
17
16
15
14
13
12
11
10
N.C.
VCC
INEQB0
INEQB1
O_AMPB
ODEB0
ODEB1
VCC
N.C.
*CONNECT EXPOSED PAD (EP) TO GND.
GND
OUTAP
OUTAM
GND
RX_DET
GND
INBP
INBM
GND
*EP
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX4950ACTX+T
0°C to +70°C
36 TQFN-EP*
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed pad.
T = Tape and reel.
Pin Configuration
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