TK15530 High Temperature Manchester Encoder/Decoder
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The Tekmos TK15530 is a high temperature, high performance CMOS device intended to service the requirements of MlL-STD-1553 and similar Manchester II encoded, time division multiplexed serial data protocols. The device is divided into two sections, an Encoder and a Decoder. These sections operate completely independently of each other, except for the Master Reset functions.
This circuit meets many of the requirements of MIL-STD-1553. The Encoder produces the sync pulse and the parity bit as well as the encoding of the data bits. The Decoder recognizes the sync pulse and identifies it as well as decoding the data bits and checking parity.
The TK15530 integrated circuit is fully guaranteed to support the 1MHz data rate of MlL-STD-1553 over both temperature (-55ºC to +250ºC) and voltage. It interfaces with CMOS, TTL or N channel support circuitry, and uses a standard 5V supply.
The TK15530 is designed for use in extreme temperature environments, such as down-hole in oil drilling and wireline applications. It can also be used in jet engine applications where it is necessary to interface directly to high temperature structures. The part uses a special high temperature process with tungsten interconnect to prevent metal migration and gold bond pads with gold bonding to improve bond reliability.
Based on the Tekmos high temperature library, the TK15530 works well with other Tekmos products such as our TK80H51 microcontroller. The TK15530 design may also be incorporated as an IP block inside of a Tekmos high temperature ASIC.
The data sheet is available here: pdf TK15530 (140 KB)