HI-8787PQI_1161168

The HI-8787 and HI-8788 are system components for nterfacing 16 bit parallel data to an ARINC 429 bus. They ombine logic and line driver on one chip. The HI-8787 has n output resistance of 37.5 ohms, and the HI-8788 has utput resistance of 10 ohms to facilitate external lightning rotection circuitry. The technology is analog/digitalCMOS.

Both products offer high speed data bus transactions into a uffer register. After loading2 16-bit words, data is utomatically transferred and transmitted. The data rate is qual to the clock rate. Parity can be enabled in the 32nd it. Reset is used to initialize the logic upon startup. Word aps are automatically sent.

The part requires +/- 10 volt supplies in addition toa5 volt upply.

Supply voltages
V+.................................................12.5V
V-.................................................-12.5V
VCC.................................................. 7V

DC current per input pin................ +10ma

Power dissipation at 25°
plastic DIL............1.0W, derate 10mW/°C
ceramic DIL..........0.5W, derate 7mW/°C

Solder Temperature ........275°C for 10 sec

Storage Temperature........-65°C to +150°C

·Automatically converts 16 bit parallel data
·toARINC429 or 561 data
·High speed data bus interface
·On-chip line driver
·Available in small TQFPpackage
·Military processing options

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Description

Specifications

Features

Pinout

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