TICPAL22V10Z-25C Datasheet, PDF (7/22 Pages) Texas Instruments – EPICE CMOS PROGRAMMABLE ARRAY LOGIC CIRCUITS

TICPAL22V10Z-25C, TICPAL22V10Z-30I
EPIC™ CMOS PROGRAMMABLE ARRAY LOGIC CIRCUITS
output logic macrocell options (see Figure 1)
SRPS007C – D3323, SEPTEMBER 1989 – REVISED FEBRUARY 1992
R
1D
C1
1S
S1 = 0
S0 = 0
R
1D
C1
1S
S1 = 0
S0 = 1
REGISTER FEEDBACK, REGISTERED, ACTIVE-LOW OUTPUT
REGISTER FEEDBACK, REGISTERED, ACTIVE-HIGH OUTPUT
S1 = 1
S0 = 0
S1 = 1
S0 = 1
I/O FEEDBACK, COMBINATIONAL, ACTIVE-LOW OUTPUT
I/O FEEDBACK, COMBINATIONAL, ACTIVE-HIGH OUTPUT
MACROCELL FEEDBACK AND OUTPUT FUNCTION TABLE
CELL SELECT
S1
S0
FEEDBACK AND OUTPUT CONFIGURATION
0
0
Register feedback
Registered
Active low
0
1
Register feedback
Registered
Active high
1
0 I/O feedback
Combinational Active low
1
1 I/O feedback
Combinational Active high
0 = erased cell, 1 = programmed cell
S1 and S0 are select-function cells as shown in the output logic macrocell
diagram.
Figure 1. Resultant Macrocell Feedback and Output Logic After Programming
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
7