ACEX1 datasheet(10/86 Pages) ETC

номер детали	ACEX1

подробное описание детали	Programmable Logic Device Family

PDF	86 Pages

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производитель	ETC [List of Unclassifed Manufacturers]

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Altera Corporation

ACEX 1K Programmable Logic Device Family Data Sheet

Figure 2. ACEX 1K Device in Dual-Port RAM Mode

Note (1)

Notes:

(1)

All registers can be asynchronously cleared by EAB local interconnect signals, global signals, or the chip-wide reset.

(2)

EP1K10, EP1K30, and EP1K50 devices have 88 EAB local interconnect channels; EP1K100 devices have 104 EAB

local interconnect channels.

The EAB can use Altera megafunctions to implement dual-port RAM

applications where both ports can read or write, as shown in Figure 3. The

ACEX 1K EAB can also be used in a single-port mode (see Figure 4).

Column Interconnect

EAB Local

Interconnect (2)

Dedicated Clocks

ENA

data[ ]

rdaddress[ ]

wraddress[ ]

RAM/ROM

256

× 16

512

× 8

1,024

× 4

2,048

× 2

Data In

Read Address

Write Address

Read Enable

Write Enable

Data Out

4, 8, 16, 32

outclocken

inclocken

inclock

outclock

ENA

Write

Pulse

Generator

rden

wren

Multiplexers allow read

address and read

enable registers to be

clocked by inclock or

outclock signals.

Row Interconnect

4, 8

Dedicated Inputs &

Global Signals

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