DP8392 National Semiconductor, DP8392 Datasheet
DP8392
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DP8392 Summary of contents
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... DP8392A NS32492A Coaxial Transceiver Interface General Description The DP8392A Coaxial Transceiver Interface (CTI coax- ial cable line driver receiver for Ethernet Thin Ethernet (Cheapernet) type local area networks The CTI is connect- ed between the coaxial cable and the Data Terminal Equip- ...
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... Ethernet Specifications for signal levels Controlled rise and fall times ( harmonic components The rise and fall times are matched to minimize jitter The drive current levels of the DP8392A meet the tighter recommended limits of IEEE 802 3 and are set by a built-in bandgap reference and an external 1% re- sistor An on chip isolation diode is provided to reduce the Transmitter’ ...
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Functional Description 3 3 COLLISION FUNCTIONS The collision circuitry consists of two buffers two 4-pole Bessel low pass filters (section comparator a heart- beat generator a 10 MHz oscillator and a differential line driver Two ...
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... Connection Diagram Note pulse transformer L 100 H e Pulse Engineering (San Diego) Part No 64103 Valor Electronics (San Diego) Part No 1101 or equivalent Top View Order Number DP8392AN See NS Package Number N16A FIGURE 7405– 5 ...
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... P C BOARD LAYOUT The DP8392A package is uniquely designed to ensure that the device meets the 1 million hour Mean Time Between Failure (MTBF) requirement of the IEEE 802 3 standard In order to fully utilize this heat dissipation design the three Description Collision Output Balanced differential line driver outputs from the collision detect ...
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... Watts Supply Voltage (V EE See Section 5 Ambient Temperature If Military Aerospace specified devices are required 0 to 12V b please contact the National Semiconductor Sales 65 to 150 C b Office Distributors for availability and specifications 260 (Notes ...
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Timing and Load Diagrams FIGURE 5 Receiver Timing FIGURE 6 Transmitter Timing FIGURE 7 Collision Timing FIGURE 8 Heartbeat Timing 7405 – 7405 – 7405 – ...
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Timing and Load Diagrams The 50 H inductance is for testing purposes Pulse transformers with higher inductances are recommended (see Figure 4 ) (Continued) FIGURE 9 Jabber Timing Input jitter Output jitter 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 Molded Dual-In-Line Package (N) Order Number DP8392AN NS Package Number N16A 2 A critical component is any component of a life ...