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1983: MOS
  week 29, 1983: MOS 650x peripheral 6526
  week 36, 1983: MOS 650x peripheral 6522
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MOS 650x peripheral 6526
MOS 650x peripheral 6526 Top Side
MOS
6526
2983
MOS 650x peripheral 6526 Back Side
250303
This is a CIA (Complex Interface Adaptor), an I/O controller for the 650x CPU.
 
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Core Frequency:1 MHz
Board Frequency:1 MHz
Data bus (ext.):8 Bit
Address bus:8 Bit
Voltage:5 V
Manufactured:week 29/1983
Package Type:Ceramic
DIP-40
Silvercap
Goldpins
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MOS 650x peripheral 6522
MOS 650x peripheral 6522 Top Side
MOS
6522
3683
MOS 650x peripheral 6522 Back Side
HONG KONG
HH277868
This is a VIA (Versatile Interface Adaptor), an I/O controller for the 650x CPU used in Commodore 1541 floppy drives.
 
References:
Datasheet
 
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Core Frequency:1 MHz
Board Frequency:1 MHz
Data bus (ext.):8 Bit
Address bus:8 Bit
Voltage:5 V
Manufactured:week 36/1983
Made in:Hong Kong
Package Type:Plastic
DIP-40
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