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Altera Corporation 9

MAX 7000 Programmable Logic Device Family Data Sheet

Each LAB is fed by the following signals:

■ 36 signals from the PIA that are used for general logic inputs

■ Global controls that are used for secondary register functions

■ Direct input paths from I/O pins to the registers that are used

for fast setup times for MAX 7000E and MAX 7000S devices

Macrocells

The MAX 7000 macrocell can be individually configured for either

sequential or combinatorial logic operation. The macrocell consists

of three functional blocks: the logic array, the product-term select

matrix, and the programmable register. The macrocell of EPM7032,

EPM7064, and EPM7096 devices is shown in Figure 3.

Figure 3. EPM7032, EPM7064 & EPM7096 Device Macrocell

Product

elect

atri

ignals

rom PIA

16 Expander

Product

Logic Arra

rallel Lo

Expanders

(

from other

macrocells

)

hared Lo

Expanders

Clear

Select

Global

Clear

Global

Clocks

Clock/

Enable

Select

PRN

CLRN

D/T Q

ENA

Bypass

To I/O

Control

Block

to PIA

Programmable

From

I/O pin

Fast Input

Select

VCC

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 65 66

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