80 Seties

8088 - CMOS 8/16-Bit Microprocessor

Photograph

Features 8-Bit Data Bus Interface, 16-Bit Internal Architecture 1 Megabyte of Direct Memory Addressing Capability 24 Operand Addressing Modes Bit, Byte, Word and Block Move Operations 8-Bit and 16-Bit Signed/Unsigned Arithmetic Bus-Hold Circuitry Eliminates Pull-up Resistors

Pin Description Pin Number Description 1 GND - Ground 2-8 ADDR - Address Bus 9-16 DATA - Address Data Bus 17 NMI - Non-Maskable Interrupt 18 INTR - Interrupt Request 19 CLK - Clock 20 GND - Ground 21 RESET - Reset 22 READY - Ready 23 TEST - Test (Active Low) 24 INTA - Interrupt Acknowledge (Active Low) 25 ALE - Address Latch Enable 26 DEN - Data Enable (Active Low) 27 DT/R - Data Transmit / Receive 28 IO/M - Status Line 29 WR - Write (Active Low) 30 HLDA - Hold A 31 HOLD - Hold 30 HLDA - Hold A 32 RD - Read (Active Low) 33 MN/MX - Minimum or Maximum Mode 34 SSO - Status Line (Active Low) 35-38 ADDRESS/STATUS - Address/Status Information 40 Vcc - Positive Power Supply

Pin Layout Dimensional Drawing

Technical Data Data Sheet Intel - Data Sheet for 8088 Application Notes