FLEX8000 Просмотр технического описания (PDF) - Altera Corporation

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FLEX8000

Programmable Logic Device Family

Altera Corporation 

FLEX 8000 Programmable Logic Device Family Data Sheet

Figure 11. FLEX 8000 Row-to-IOE Connections

Numbers in parentheses are for EPF81500A devices. See Note (1).

2

2

2

2

Each IOE can drive

n

up to two row

channels.

n

2222

n

Row Interconnect

168

(216)

Each IOE is

driven by an

n-to-1

multiplexer.

2222

n

n

168

(216)

n

n

n

2

2

2

2

Note:

(1) n = 13 for EPF8282A and EPF8282AV devices.

n = 21 for EPF8452A, EPF8636A, EPF8820A, and EPF81188A devices.

n = 27 for EPF81500A devices.

IOE 1

IOE 2

IOE 3

IOE 4

IOE 5

IOE 6

IOE 7

IOE 8

Column-to-IOE Connections

Two IOEs are located at the top and bottom of the column channels (see

Figure 12). When an IOE is used as an input, it can drive up to two

separate column channels. The output signal to an IOE can choose from 8

of the 16 column channels through an 8-to-1 multiplexer.

20

Altera Corporation

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