SN65MLVD048_1 Datasheet, PDF (1/20 Pages) Texas Instruments – QUAD CHANNEL M-LVDS RECEIVERS

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QUAD CHANNEL M-LVDS RECEIVERS
Check for Samples: SN65MLVD048
SN65MLVD048
SLLS903 – DECEMBER 2009
FEATURES
1
•2 Low-Voltage Differential 30-Ω to 55-Ω Line
Receivers for Signaling Rates⁽¹⁾ up to
250Mbps; Clock Frequencies up to 125MHz
• Type-1 Receiver Incorporates 25 mV of Input
Threshold Hysteresis
• Type-2 Receiver Provides 100 mV Offset
Threshold to Detect Open-Circuit and Idle-Bus
Conditions
• Wide Receiver Input Common-Mode Voltage
Range, –1 V to 3.4 V, Allows 2 V of Ground
Noise
• Meets or Exceeds the M-LVDS Standard
TIA/EIA-899 for Multipoint Topology
• High Input Impedance when V_cc ≤ 1.5V
• Enhanced ESD Protection: 7 kV HBM on all
pins
• 48-Pin 7 X 7 QFN (RGZ)
(1) _{The signaling rate of a line is the number of voltage}
transitions that are made per second, expressed in the units
bps (bits per second).
APPLICATIONS
• Parallel Multipoint Data and Clock
Transmission via Backplanes and Cables
• Cellular Base Stations
• Central Office Switches
• Network Switches and Routers
LOGIC DIAGRAM (POSITIVE LOGIC)
LOGIC DIAGRAM (POSITIVE LOGIC)
SN65MLVD048
1FSEN
1R
1RE
PDN
Channel 1
1A
1B
2FSEN –
4FSEN 3
2R – 4R ₃
2RE – 4RE ₃
Channels 2 - 4
2A – 4A
2B – 4B
DESCRIPTION
The SN65MLVD048 is a quad-channel M-LVDS receiver. This device is designed in full compliance with the
TIA/EIA-899 (M-LVDS) standard, which is optimized to operate at signaling rates up to 250 Mbps. Each receiver
channel is controlled by a receive enable (RE). When RE = low, the corresponding channel is enabled; when
RE = high, the corresponding channel is disabled.
The M-LVDS standard defines two types of receivers, designated as Type-1 and Type-2. Type-1 receivers have
thresholds centered about zero with 25 mV of hysteresis to prevent output oscillations with loss of input; Type-2
receivers implement a failsafe by using an offset threshold. Receiver outputs are slew rate controlled to reduce
EMI and crosstalk effects associated with large current surges.
The devices are characterized for operation from –40°C to 85°C.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2009, Texas Instruments Incorporated