These are Peripheral Bus Interface Support for Microprocessors & Micro-controllers  

AMI S6821P Peripheral Interface Adapter 
Advanced Micro Devices AM2904DC Status and Shift Control Unit
Advanced Micro Devices P82C54 CMOS Programmable Interval Timer - 82C54
Advanced Micro Devices AM9517-4PC DMA Controller - 9517
Advanced Micro Devices AM9519-1DC Universal Interrupt Controller - 9519
Advanced Micro Devices AM9551PC UART - 9555
Advanced Micro Devices P8212 8-Bit Input / Output Port 
CMDu G65SC51P1-1 Serial Communications Controller
Conexent Rockwell RP56DR6764-63 Low Voltage V.90/ K56flex / V.34/ v.32bis Modem Data Pump
Dallas Semiconductor DS1221 Nonvolatile Controller x 4 Chip
Fairchild F10016DC BCD Decade Counter/4-Bit Binary Counter (Ceramic) - 10016
Fairchild F6852P Sync Data Adapter - 6852
Harris HI-539-5 Quad, Low Level, Differential Multiplexer
Harris HI3-7159-5 Microprocessor Compatible 5 1/2 Digit A/D Converter
Harris HD1-0165-5 Encoder
Harris CP82C54 CMOS Programmable Interval Timer - 82C54
Harris CS82C54 PLCC CMOS Programmable Interval Timer - 82C54
Harris CP82C55A CMOS Programmable Peripheral Interface
General Instrument AY-3-8910 Programmable Sound Generator
General Instrument AY-5-1012 Universal Asynchronous Receiver/Transmitter
General Instrument AY-5-1013 Universal Asynchronous Receiver/Transmitter
General Instrument AY-5-3600-PRO Keyboard Encoder
Intel D3242 Address Multiplexer and Refresh Counter for 16K DRAM
Intel P8237 Multimode DMA Controller
Intel D8238 8-Bit System Controller Bus Driver for 8080/9080 - 8238
Intel P8253 Programmable Interval Timer - 8253
Intel & Harris P82C55 Programmable Peripheral Interface - 82C55
Micrel MIC5821BN 8-Bit Serial-Input Latched Drivers

Mitel MT8920AL ST-BUS Parallel Access Circuit (plastic) - 8920
Mitel MT8920AC ST-BUS Parallel Access Circuit (ceramic) - 8920
Motorola MC3447P Bidirectional Instrumentation Bus (GPIB) Transceiver - 3447
Motorola MC68440L10 Dual Direct Memory Access Controller - 68440
Motorola MC68B21P Peripheral Interface Adapter for 6800 - 68B21
Motorola MC6828P   Interrupt Controller
Motorola MC6845P CRT Controller for the 6800 with Light Pen
Motorola MC6850P Serial Communications Controller - 6850
Motorola MC68B50P Serial Communications Controller - 68B50
Motorola MC6860P Modem - 6860
Motorola MC68661PC Serial Communications Controller - 6866
Motorola MM5321N TV Camera Sync Generator
Signetics N8203N Buffer Register - 8203
SMC CRT5027 Video Controller - Ceramic
SMC HDC9224 Universal Disk Controller - Ceramic 
ST Micro SDA5243 Computer-Controlled Teletext Decoder 
Texas Instruments TMS9909NL Floppy Disk Controller
TDK 75T202-IP DTMF Receiver 

National Semiconductor INS8250ON-B UART - 8250
National Semiconductor NSC840AN RAM I/O Timer

Intel N82586-10 IEEE 802.3 Ethernet LAN Coprocessor - 82586
Intel P8259A Universal Interrupt Controller - 8259
Signetics N82S82N 4-Bit Arithmetic Unit - 82S82
SSI 75T203-IP DTMF Receiver, 5V Low-Power CMOS

LSI LSI53C180 Ultra160 SCSI Bus Expander
TI SN76477  Complex Sound Generator
NEC UPD765AC Single / Double Density Floppy Disk Controller
NEC UPD8259AC Universal Interrupt Controller
NEC UPD71055C-10 Programmable Parallel Interface
NEC UPD7220D High-Performance Graphics Display Controller
TDK 75T202-IP DTMF Receiver, 5V Low-Power CMOS
Unicorn Microelectronics UM82C11 Printer Interface for Z80 & 8088 - 82C11
Western Digital FD1771-B01 Floppy Diskette Driver Controller - 1771
Western Digital FD1797B Floppy Diskette Driver Controller - 1797
Western Digital WD1772-PH Floppy Controller
Zilog Z85C3006PSC Programmable Counter/Timer
Zilog Z0853006PSC Serial Communications Controller
Zilog Z0853008PSC Serial Communications Controller

These are factory new parts. They have never been installed and have not been recovered from manufactured electronic components.