DS90CR484 National Semiconductor, DS90CR484 Datasheet
DS90CR484
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DS90CR484 Summary of contents
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... The 48 CMOS/TTL inputs can support a variety of signal combinations. For example, 6 8-bit words or 5 9-bit (byte + parity) and 3 controls. The DS90CR483/DS90CR484 chipset is improved over prior generations of Channel Link devices and offers higher band- width support and longer cable drive with three areas of en- hancement ...
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Generalized Transmitter Block Diagram Generalized Receiver Block Diagram www.national.com DS100918-2 DS100918-3 2 ...
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... Current (Note 1) Package Derating: DS90CR483 DS90CR484 ESD Rating: DS90CR483 −0.3V to +4V (HBM, 1.5k , 100pF) −0.3V to +5.5V (EIAJ 200pF) −0. 0.3V) DS90CR484 CC (HBM, 1.5k , 100pF) −0.3V to +3.6V (EIAJ 200pF) −0.3V to +3.6V Recommended Operating Conditions Continuous +150˚C −65˚C to +150˚C Supply Voltage (V Operating Free Air +260˚C ...
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Electrical Characteristics Over recommended operating supply and temperature ranges unless otherwise specified. Symbol Parameter LVDS RECEIVER DC SPECIFICATIONS V Differential Input High TH Threshold V Differential Input Low TL Threshold I Input Current IN TRANSMITTER SUPPLY CURRENT ICCTW Transmitter Supply ...
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Receiver Switching Characteristics Over recommended operating supply and temperature ranges unless otherwise specified. Symbol Parameter CLHT CMOS/TTL Low-to-High Transition Time, ( Figure data out CMOS/TTL Low-to-High Transition Time, ( Figure clock out CMOS/TTL High-to-Low ...
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... Note 6: The worst case test pattern produces a maximum toggling of digital circuits, LVDS I/O and CMOS/TTL I/O. FIGURE 2. DS90CR483 (Transmitter) LVDS Output Load and Transition Times FIGURE 3. DS90CR484 (Receiver) CMOS/TTL Output Load and Transition Times FIGURE 4. DS90CR483 (Transmitter) Input Clock Transition Time FIGURE 5. DS90CR483 (Transmitter) Setup/Hold and High/Low Times www.national.com FIGURE 1. “ ...
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... AC Timing Diagrams (Continued) FIGURE 6. DS90CR484 (Receiver) Setup/Hold and High/Low Times FIGURE 7. DS90CR483 (Transmitter) Propagation Delay - Latency (Rising Edge Strobe) FIGURE 8. DS90CR484 (Receiver) Propagation Delay - Latency (Rising Edge Strobe) DS100918-16 DS100918-27 DS100918-28 7 www.national.com ...
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... AC Timing Diagrams FIGURE 9. DS90CR483 (Transmitter) Phase Lock Loop Set Time FIGURE 10. DS90CR484 (Receiver) Phase Lock Loop Set Time www.national.com (Continued) FIGURE 11. Transmitter Power Down Delay 8 DS100918-19 DS100918-20 DS100918-21 ...
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AC Timing Diagrams (Continued) C — Setup and Hold Time (Internal data sampling window) defined by Rspos (receiver input strobe position) min and max Tppos — Transmitter output pulse position (min and max) RSKM = Cable Skew (type, length) + ...
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LVDS Interface FIGURE 14. 48 Parallel TTL Data Inputs Mapped to LVDS Outputs www.national.com 10 DS100918-4 ...
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DS90CR483 Pin Description—Channel Link Transmitter Pin Name I/O No. TxIN I 48 TxOUTP O TxOUTM O TxCLKIN I TxCLKP O TxCLKM PLLSEL I PRE I DS_OPT GND I PLLV I CC PLLGND I ...
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... DS90CR484 Pin Description—Channel Link Receiver Pin Name I/O RxINP I RxINM I RxOUT O RxCLKP I RxCLKM I RxCLKOUT O PLLSEL I DESKEW GND I PLLV I CC PLLGND I LVDSV I CC LVDSGND I NC Note 10: These receivers have input fail-safe bias circuitry to guarantee a stable receiver output for floating or terminated receiver inputs. Under test conditions re- ceiver inputs will HIGH state ...
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... Applications Information The DS90CR483/DS90CR484 chipset is improved over prior generations of Channel Link devices and offers higher band- width support and longer cable drive with three areas of en- hancement. To increase bandwidth, the maximum clock rate is increased to 112 MHz and 8 serialized LVDS outputs are provided ...
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... How to configure for cable inter-connect applications: In applications that require the long cable drive capability. The DS90CR483/DS90CR484 chipset is improved over prior generations of Channel Link devices and offers higher band- width support and longer cable drive with the use of DC bal- anced data transmission, pre-emphasis ...
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Pin Diagram Transmitter - DS90CR483 15 DS100918-6 www.national.com ...
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... Pin Diagram www.national.com Receiver - DS90CR484 16 DS100918-7 ...
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... National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. inches (millimeters) unless otherwise noted Dimensions show in millimeters Order Number DS90CR483VJD and DS90CR484VJD NS Package Number VJD100A 2. A critical component is any component of a life ...