apple1cartridge/mapping/old/address_decoder.log

EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
Copyright (c) National Semiconductor Corporation 1990-1993

Log file for d:/ADDRES~1.EQN
Device: 20V8

Pin   Label               Type
---   -----               ----
2     PHI                 pos,com input
3     RW                  pos,com input
4     MOD                 pos,com input
5     A9                  pos,com input
6     A8                  pos,com input
7     A7                  pos,com input
8     A6                  pos,com input
9     A5                  pos,com input
10    A4                  pos,com input
11    A3                  pos,com input
12    GND                 ground pin
14    A15                 pos,com input
15    A14                 pos,com input
16    A13                 pos,com input
17    A12                 pos,com input
18    A11                 pos,com input
19    A10                 pos,com input
20    ROM                 neg,trst,com output
21    RAM                 neg,trst,com output
22    FF                  pos,trst,com output
23    BANK                pos,com input
24    VCC                 power pin

EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
Copyright (c) National Semiconductor Corporation 1990-1993

Device Utilization:

No of dedicated inputs used               : 12/12 (100.0%)
No of feedbacks used as dedicated inputs  :  5/8  (62.5%)
No of feedbacks used as dedicated outputs :  3/8  (37.5%)

		------------------------------------------
		Pin   Label                 Terms Usage
		------------------------------------------
		22    FF.oe                 1/1   (100.0%)
		22    FF                    1/7   (14.3%)
		21    RAM.oe                1/1   (100.0%)
		21    RAM                   6/7   (85.7%)
		20    ROM.oe                1/1   (100.0%)
		20    ROM                   3/7   (42.9%)
		------------------------------------------
		Total Terms                13/64  (20.3%)
		------------------------------------------

EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
Copyright (c) National Semiconductor Corporation 1990-1993

                            Chip diagram (DIP)

                             ._____    _____.
                             |     \__/     |
                         CLK |  1        24 | VCC
                         PHI |  2        23 | BANK
                          RW |  3        22 | FF
                         MOD |  4        21 | RAM
                          A9 |  5        20 | ROM
                          A8 |  6        19 | A10
                          A7 |  7        18 | A11
                          A6 |  8        17 | A12
                          A5 |  9        16 | A13
                          A4 | 10        15 | A14
                          A3 | 11        14 | A15
                         GND | 12        13 | /OE
                             |______________|