DS91C176TMA National Semiconductor, DS91C176TMA Datasheet

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DS91C176TMA

Manufacturer Part Number
DS91C176TMA
Description
Manufacturer
National Semiconductor
Datasheet

Specifications of DS91C176TMA

Number Of Elements
1
Input Type
CMOS/TTL
Operating Supply Voltage (typ)
3.3V
Differential Input High Threshold Voltage
150mV
Diff. Input Low Threshold Volt
50mV
Differential Output Voltage
650mV
Transmission Data Rate
200MBps
Propagation Delay Time
7.5ns
Power Dissipation
833mW
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
8
Package Type
SOIC N
Number Of Receivers
1
Number Of Drivers
1
Lead Free Status / RoHS Status
Not Compliant

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
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Manufacturer:
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20 000
Part Number:
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Manufacturer:
NS
Quantity:
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Part Number:
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© 2009 National Semiconductor Corporation
100 MHz Single Channel M-LVDS Transceivers
General Description
The DS91C176 and DS91D176 are 100 MHz single channel
M-LVDS (Multipoint Low Voltage Differential Signaling)
transceivers designed for applications that utilize multipoint
networks (e.g. clock distribution in ATCA and uTCA based
systems). M-LVDS is a new bus interface standard (TIA/
EIA-899) optimized for multidrop networks. Controlled edge
rates, tight input receiver thresholds and increased drive
strength are sone of the key enhancments that make M-LVDS
devices an ideal choice for distributing signals via multipoint
networks.
The DS91C176/DS91D176 are half-duplex transceivers that
accept LVTTL/LVCMOS signals at the driver inputs and con-
vert them to differential M-LVDS signals. The receiver inputs
accept low voltage differential signals (LVDS, B-LVDS, M-
LVDS, LV-PECL and CML) and convert them to 3V LVCMOS
Typical Application in an ATCA Clock Distribution Network
200246
DS91D176/DS91C176
signals. The DS91D176 has a M-LVDS type 1 receiver input
with no offset. The DS91C176 has an M-LVDS type 2 receiver
which enable failsafe functionality.
Features
DC to 100+ MHz / 200+ Mbps low power, low EMI
operation
Optimal for ATCA, uTCA clock distribution networks
Meets or exceeds TIA/EIA-899 M-LVDS Standard
Wide Input Common Mode Voltage for Increased Noise
Immunity
DS91D176 has type 1 receiver input
DS91C176 has type 2 receiver with fail-safe
Industrial temperature range
Space saving SOIC-8 package
November 9, 2009
20024630
www.national.com

Related parts for DS91C176TMA

DS91C176TMA Summary of contents

Page 1

... B-LVDS, M- LVDS, LV-PECL and CML) and convert them to 3V LVCMOS Typical Application in an ATCA Clock Distribution Network © 2009 National Semiconductor Corporation DS91D176/DS91C176 signals. The DS91D176 has a M-LVDS type 1 receiver input with no offset. The DS91C176 has an M-LVDS type 2 receiver which enable failsafe functionality ...

Page 2

... ID a failsafe circuit where open or short circuits at the input will always result in the output stage being driven to a low logic state. www.national.com Top View Order Number DS91D176TMA, DS91C176TMA See NS Package Number M08A Function type 1 Data (0V threshold receiver) type 2 Control (100 mV offset fail-safe receiver) FIGURE 1 ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Control Input Voltages Driver Input Voltage Driver Output Voltages Receiver Input Voltages Receiver Output Voltage Maximum Package Power Dissipation at +25°C ...

Page 4

Symbol Parameter I Transceiver input/output current B I Transceiver input/output differential current ( Transceiver input/output power-off current A(OFF) I Transceiver input/output power-off current B(OFF) I Transceiver input/output power-off differential AB(OFF) current (I − A(OFF) B(OFF) C ...

Page 5

Switching Characteristics Over recommended operating supply and temperature ranges unless otherwise specified. Symbol Parameter DRIVER AC SPECIFICATION t Differential Propagation Delay Low to High PLH t Differential Propagation Delay High to Low PHL Pulse Skew |t − ...

Page 6

Test Circuits and Waveforms www.national.com FIGURE 2. Differential Driver Test Circuit FIGURE 3. Differential Driver Waveforms FIGURE 4. Differential Driver Full Load Test Circuit 6 20024614 20024644 20024622 ...

Page 7

FIGURE 5. Differential Driver DC Open Test Circuit FIGURE 6. Differential Driver Short-Circuit Test Circuit FIGURE 7. Driver Propagation Delay and Transition Time Test Circuit 7 20024612 20024625 20024616 www.national.com ...

Page 8

FIGURE 8. Driver Propagation Delays and Transition Time Waveforms www.national.com FIGURE 9. Driver TRI-STATE Delay Test Circuit FIGURE 10. Driver TRI-STATE Delay Waveforms 8 20024618 20024619 20024621 ...

Page 9

FIGURE 11. Receiver Propagation Delay and Transition Time Test Circuit FIGURE 12. Type 1 Receiver Propagation Delay and Transition Time Waveforms FIGURE 13. Type 2 Receiver Propagation Delay and Transition Time Waveforms 20024615 20024617 20024623 9 www.national.com ...

Page 10

FIGURE 14. Receiver TRI-STATE Delay Test Circuit FIGURE 15. Receiver TRI-STATE Delay Waveforms 10 20024613 20024620 ...

Page 11

Function Tables X — Don't care condition Z — High impedance state DS91D176 Receiving Inputs − B ≥ 0.8V 0.8V +0.05V ≤ 0.8V 0.8V −0.05V 0.8V 0.8V 0V 2.0V 0. — Don't care condition Z ...

Page 12

Pin Descriptions Pin No. Name GND Typical Performance Characteristics Supply Current vs. Frequency Supply Current measured using a clock pattern with driver terminated to 50ohms . V = 3.3V, ...

Page 13

... Physical Dimensions inches (millimeters) unless otherwise noted Order Number DS91D176TMA, DS91C176TMA See NS package Number M08A 13 www.national.com ...

Page 14

... For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...

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