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Last update: 28 February 2004

IC number:6550
IC function:4 kbit (1k×4) SRAM with four chip selects
Related components:4 kbit (1k×4) SRAM

Component documentation
IC numberManufacturerDocumentation
6550MOS TechnologyNot available

Component versions
IC numberPackageCBM part numberCBM part description
655022-pin DIP901438-016550 RAM

Positions
DevicePositionsPositions (not installed)
4k PET board assy 320008, 320081UJ5, UJ6, UJ7, UJ8, UI5, UI6, UI7, UI8, UC3, UC4UJ1, UJ2, UJ3, UJ4, UI1, UI2, UI3, UI4
8k PET board assy 320008, 320081UJ1, UJ2, UJ3, UJ4, UJ5, UJ6, UJ7, UJ8, UI1, UI2, UI3, UI4, UI5, UI6, UI7, UI8, UC3, UC4

Pinout
PinTypeName
1..6InputA0..A5
7Inputphi2
8..11InputA6..A9
12InputR/_W
13..16I/OD0..D3
17PowerVDD
18..19Input_CS4.._CS3
20..21InputCS2..CS1
22PowerVSS

Copyright © 2003-2004 Ronald van Dijk - All rights reserved