EP220 ALTERA [Altera Corporation], EP220 Datasheet - Page 3
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EP220
Manufacturer Part Number
EP220
Description
Classic EPLDs
Manufacturer
ALTERA [Altera Corporation]
Datasheet
1.EP220.pdf
(16 pages)
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Altera Corporation
Figure 1. EP220 & EP224 Block Diagram
The EP220 and EP224 architecture is based on a sum-of-products,
programmable-AND/fixed-OR structure. Each macrocell can be
individually programmed for combinatorial or registered output. An
inversion option allows each output to be configured for active-high or
active-low operation. Each I/O pin can be programmed to function as an
input, output, or bidirectional pin.
The EP220 and EP224 device architecture offers the following features:
Numbers in parentheses refer to the pin-out number.
Macrocells
High-frequency, low-skew global Clock
EP220
EP224
INPUT/CLK
INPUT/CLK
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
(10)
(13)
(14)
(23)
(11)
(11)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Global
Global
Bus
Bus
Global Clock
Global Clock
EP220 & EP224 Classic EPLDs
Macrocell 1
Macrocell 2
Macrocell 3
Macrocell 4
Macrocell 5
Macrocell 6
Macrocell 7
Macrocell 8
Macrocell 1
Macrocell 2
Macrocell 3
Macrocell 4
Macrocell 5
Macrocell 6
Macrocell 7
Macrocell 8
I/O (22)
I/O (21)
I/O (20)
I/O (19)
I/O (18)
I/O (17)
I/O (16)
I/O (15)
I/O (19)
I/O (18)
I/O (17)
I/O (16)
I/O (15)
I/O (14)
I/O (13)
I/O (12)
3