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Description

The Intersil 82C87H is a high performance CMOS Octal Transceiver manufactured using a self-aligned silicon gate CMOS process (Scaled SAJI IV). The 82C87H provides a full eight-bit bi-directional bus interface in a 20 pin package. The Transmit (T) control determines the data direction. The active low output enable (OE) permits simple interface to the 80C86, 80C88 and other microprocessors. The 82C87H has gated inputs, eliminating the need for pull-up/pull-down resistors and reducing overall system operating power dissipation. The 82C87H provides inverted data at the outputs.

Features

? Full Eight Bit Bi-Directional Bus Interface

? Industry Standard 8287 Compatible Pinout

? High Drive Capability

??? - B Side IOL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA

??? - A Side IOL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12mA

? Three-State Inverting Outputs

? Propagation Delay . . . . . . . . . . . . . . . . . . . . . 35ns Max.

? Gated Inputs

??? - Reduce Operating Power

??? - Eliminate the Need for Pull-Up Resistors

? Single 5V Power Supply

? Low Power Operation . . . . . . . . . . . . . . . ICCSB = 10μA

? Operating Temperature Range

??? - C82C87H . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C

??? - I82C87H . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C

??? - M82C87H . . . . . . . . . . . . . . . . . . . . . . -55°C to +125°C