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參數資料
| 型號： | MAX9395ETI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 2:1 Multiplexers and 1:2 Demultiplexers with Loopback |
| 中文描述： | LINE TRANSCEIVER, QCC28 |
| 封裝： | 5 X 5 MM, 0.80 MM HEIGHT, TQFN-28 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 303K |
| 代理商： | MAX9395ETI |
General Description
The MAX9394/MAX9395 consist of a 2:1 multiplexer
and a 1:2 demultiplexer with loopback. The multiplexer
section (channel B) accepts two low-voltage differential
signaling (LVDS) inputs and generates a single LVDS
output. The demultiplexer section (channel A) accepts
a single LVDS input and generates two parallel LVDS
outputs. The MAX9394/MAX9395 feature a loopback
mode that connects the input of channel A to the output
of channel B and connects the selected input of chan-
nel B to the outputs of channel A.
Three LVCMOS/LVTTL logic inputs control the internal
connections between inputs and outputs, one for the
multiplexer portion of channel B (BSEL), and the other
two for loopback control of channels A and B (LB_SELA
and LB_SELB). Independent enable inputs for each dif-
ferential output pair provide additional flexibility.
Fail-safe circuitry forces the outputs to a differential low
condition for undriven inputs or when the common-
mode voltage exceeds the specified range. The
MAX9394 provides high-level input fail-safe detection
for HSTL, LVDS, and other GND-referenced differential
inputs. The MAX9395 provides low-level fail-safe detec-
tion for CML, LVPECL, and other V
CC
-referenced differ-
ential inputs.
Ultra low 91ps
P-P
(max) pseudorandom bit sequence
(PRBS) jitter ensures reliable communications in high-
speed links that are highly sensitive to timing error,
especially those incorporating clock-and-data recovery,
or serializers and deserializers. The high-speed switch-
ing performance guarantees 1.5GHz operation and less
than 87ps (max) skew between channels.
LVDS inputs and outputs are compatible with the
TIA/EIA-644 LVDS standard. The LVDS outputs drive
100
loads. The MAX9394/MAX9395 are offered in 32-
pin TQFP and 28-pin thin QFN packages and operate
over the extended temperature range (-40°C to +85°C).
Applications
High-Speed Telecom/Datacom Equipment
Central Office Backplane Clock Distribution
DSLAM
Protection Switching
Fault-Tolerant Systems
Features
o
Guaranteed 1.5GHz Operation with 250mV
Differential Output Swing
o
Simultaneous Loopback Control
o
2ps
(RMS)
(max) Random Jitter
o
AC Specifications Guaranteed for 150mV
Differential Input
o
Signal Inputs Accept Any Differential Signaling
Standard
o
LVDS Outputs for Clock or High-Speed Data
o
High-Level Input Fail-Safe Detection (MAX9394)
o
Low-Level Input Fail-Safe Detection (MAX9395)
o
+3.0V to +3.6V Supply Voltage Range
o
LVCMOS/LVTTL Logic Inputs
M
2:1 Multiplexers and 1:2 Demultiplexers with
Loopback
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
0.1
μ
F
0.01
μ
F
+3.0V TO
OUTA0
OUTA0
LVDS
RECEIVER
INA
INA
ENA0
ENA1
ENB
GND
GND
GND
GND
OUTA1
OUTA1
OUTB
OUTB
LVCMOS/LVTTL
LB_SELA
LB_SELB
BSEL
INB0
INB0
100
Z
0
= 50
Z
0
= 50
MAX9394
MAX9395
V
CC
INB1
INB1
Z
0
= 50
Z
0
= 50
100
Z
0
= 50
Z
0
= 50
Z
0
= 50
Z
0
= 50
Typical Operating Circuit
19-2878; Rev 0; 7/03
PART
TEMP RANGE
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
PIN-PACKAGE
32 TQFP
28 Thin QFN
32 TQFP
28 Thin QFN
MAX9394
EHJ
MAX9394ETI*
MAX9395
EHJ
MAX9395ETI*
*
Future product—contact factory for availability.
Pin Configurations and Functional Diagram appear at end
of data sheet.
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