HS1-82C55ARH-8

HS-82C55ARH September 1995 Radiation Hardened CMOS Programmable Peripheral Interface Pinout 40 LEAD CERAMIC DUAL-IN-LINE METAL SEAL PACKAGE (SBDIP) MIL-STD-1835 CDIP2-T40 TOP VIEW PA3 PA2 PA1 PA0 RD CS GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 PA4 39 PA5 38 PA6 37 PA7 36 WR 35 RESET 34 D0 33 D1 32 D2 31 D3 30 D4 29 D5 28 D6 27 D7 26 VDD 25 PB7 24 PB6 23 PB5 22 PB4 21 PB3 Features Radiation Hardened - Total Dose >105 RAD (Si) - Transient Upset <108 RAD (Si)/s - Latch Up Free EPI-CMOS Low Power Consumption - IDDSB = 20µA Pin Compatible with NMOS 8255A and the Intersil 82C55A High Speed, No “Wait State” Operation with 5MHz HS-80C86RH 24 Programmable I/O Pins Bus-Hold Circuitry on All I/O Ports Eliminates Pull-Up Resistors Direct Bit Set/Reset Capability Enhanced Control Word Read Capability Hardened Field, Self-Aligned, Junction Isolated CMOS Process Single 5V Supply 2.0mA Drive Capability on All I/O Port Outputs Military Temperature Range: -55oC to +125oC A1 A0 PC7 PC6 PC5 PC4 PC0 PC1 PC2 PC3 PB0 PB1 PB2 Description The Intersil HS-82C55ARH is a high performance, radiation hardened CMOS version of the industry standard 8255A and is manufactured using a hardened field, self-aligned silicongate CMOS process. It is a general purpose programmable I/O device which may be used with many different microprocessors. There are 24 I/O pins which are organized into two 8-bit and two 4-bit ports. Each port may be programmed to function as either an...