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U1 socket
Image Qty Reference Description
1
U1 socket 20pin PDIPIC socket0.3"
Supplier Partnumber
Farnell 4285608
Mouser 571-1-2199298-6
RS 674-2444
U2
Image Qty Reference Description
1
U2 Z80 PIO,8MHz, Z84C2008PEG(or Z80 PIO,10MHz,
Z84C2010PEG), PDIP40
Supplier Partnumber
Farnell 6MHzversion only
Mouser 692-Z84C4008PEG(8 MHzversion)
692-Z84C4010PEG(10 MHzversion)
RS 625-9040 (8MHzversion)
TheZ80 PIOprovidesprovidestwo 8-bit parallel ports withhandshakingand flexible
interrupt functions. It hasmode2 interrupt support, makingit ausual general
purpose I/Ochip foruse inan expanded Z80system.
For furtherdetails see theZilogPIO data sheet.
U2 socket
Image Qty Reference Description
1
U2 socket 40pin PDIPIC socket0.6"
Supplier Partnumber
Farnell 4285669
Mouser 571-1-2199299-5 or 649-DILB40P223TLF
RS 674-2466