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H89CPU.LST
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2000-06-30
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2KB
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58 lines
H89 CPU parts list ICs
___________________________________________________________________________
U Number Heath Number Generic Number Special function
---------------------------------------------------------------------------
U501 443-18 7404
U502 443-34 7492
U503 443-760 CD4040
U504 443-881 Z80
*4 U506 443-730 74LS74
U507 443-727 96L02
*3 U508 443-824 74LS241
U509 443-824 74LS241
*2 U510 443-837 74LS373
U511 443-837 74LS373
U512 443-730 74LS74
U513 443-824 74LS241
U514 443-824 74LS241
U515 443-779 74LS02
U516 PROM 444-41 74S188 Memory map
444-9001
U517 PROM 444-42
0 ORG. 444-66 SN74S470 Memory map
U518 PROM 444-40
NEWEST 444-62 ! TMS 2716 Boot system
U519 Not used
U520 PROM 444-19 2716 Floppy controller
*2 U521 443-754 74LS240
U522 Not used
*2 U523 443-764 2114 RAM (floppy)
U524 Not used
U525 443-764 2114 RAM (floppy)
*36 U526-U549
+U1-U9 16K EXP 443-904 4116 RAM (main memory)
U550 PROM 444-43
NEWEST 444-61 ! SN74S470 I/O Map
U551 443-791 74LS244
U552 443-805 74LS273
U553 443-875 74LS32
U554 443-732 74LS30
U555 443-730 74LS74
U556 443-730 74LS74
U557 443-912 74LS148
U558 443-754 74LS240
U559 443-794 1488
U560 443-795 1489
U561 443-874 8250 UART
U562 443-901 74S132
U565 442-664 79M12KC or 7912 Regulator
*3 U566 442-665 7905 Regulator
*2 U567 442-663 78M12 or 7812 Regulator
U568 442-663 78M12 OR 7812 Regulator
U569 442-665 7905 Regulator
U11 442-665 7905 Regulator 16K board
* = First time number is listed shows total of that number used in CPU.
! = Newest PROM set must be used together, for correct I/O control.