*IDENTIFICATION
T206IDE3;
*TYPE
GAL20V8;
*PINS
%INPUTS %
A23 = 1,
A22 = 2,
A21 = 3,
A20 = 4,
A19 = 5,
A18 = 6,
A17 = 7,
A16 = 8,
A15 = 9,
A14 = 10,
A5 = 11,
AS = 13,
RW = 14,
ROM2 = 23,
%OUTPUTS %
CE1 = 21, %E00000-E1FFFF %
CE2 = 22, %E20000-E3FFFF %
SELP = 16,
SELS = 17,
IORD = 18,
IOWR = 19,
DTACK = 20, %Goes to inverter with Open Collector e.g. 74LS03 %
LINEA = 15; %To line transc. drivers for D0-D15, e.g. 74HCT245%
*BOOLEAN-EQUATIONS
DTACK = /AS*A23*A22*A21*/A20*/A19*/A18*RW+
A23*A22*A21*A20*/A19*/A18*/A17*/A16*/A15*/A14;
/CE1 = /AS*A23*A22*A21*/A20*/A19*/A18*/A17*RW+/ROM2;
/CE2 = /AS*A23*A22*A21*/A20*/A19*/A18*A17*RW;
/SELP = A23*A22*A21*A20*/A19*/A18*/A17*/A16*/A15*/A14*/A5;
/SELS = A23*A22*A21*A20*/A19*/A18*/A17*/A16*/A15*/A14*A5;
/IORD = /AS*A23*A22*A21*A20*/A19*/A18*/A17*/A16*/A15*/A14*RW;
/IOWR = /AS*A23*A22*A21*A20*/A19*/A18*/A17*/A16*/A15*/A14*/RW;
/LINEA = A23*A22*A21*A20*/A19*/A18*/A17*/A16*/A15*/A14;
*END