DB8259A Programmable Interrupt Controllers
Our Programmable Interrupt Controller series consists of the DB8259A and DB8259S interrupt
controllers. Our 82C59A Programmable Interrupt Controllers can be replaced with Altera®,
Lattice®, and Xilinx® CPLDs & FPGAs.
DB8279 Programmable Keyboard / Display Interface
DB8255A Programmable Peripheral Interface
Our Programmable Peripheral Interface IP Core consists of the DB8255A. Our 82C55A
Programmable Peripheral Interface can be replaced with Altera, Lattice, and Xilinx CPLDs &
FPGAs.
Digital Blocks' Programmable Keyboard / Display Interface IP Core consist of the DB8279. Our
8279 Programmable Keyboard / Display Interface can be replaced with Altera, Lattice, and Xilinx
CPLDs & FPGAs
Copyright © Digital Blocks, Inc. 2005-2012. ALL RIGHTS RESERVED
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82xx Peripheral Replacements Program
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Digital Blocks is the industry leader in providing cycle-accurate Intel® 8259, 8255,
and 8279 IP Core Peripheral Replacements as VHDL or Verilog soft cores in
CPLDs , FPGAs, ASICs, and ASSP devices.
Altera Family
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Part Number
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Resources Required
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MAX® II
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EPM570
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423 LEs
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Cyclone® III
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EP3C5
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449 LEs
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Cyclone® IV
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EP4CE6E
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449 LEs
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Lattice Family
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Part Number
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Resources Required
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MachXO2
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LCMXO2-640
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275 Slices
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LatticeEC
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LFEC1E
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254 Slices
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Xilinx Family
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Part Number
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Resources Required
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CoolRunner-II
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XC2C256
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164 Macrocells
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Spartan-6
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XC6SLX4
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Slice Regs 93
Slice LUTs 227
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DB8259S Programmable Interrupt Controllers
Our Programmable Interrupt Controller series consists of the DB8259A and DB8259S interrupt
controllers. Our DB8259S is a synchronous implementation and can be replaced with Altera,
Lattice, and Xilinx CPLDs & FPGAs.
Altera Family
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Part Number
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Resources Required
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MAX II
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EPM570
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476 LEs
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Cyclone III
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EP3C5
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515 LEs
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Cyclone IV
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EP4CE6E
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515 LEs
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Lattice Family
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Part Number
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Resources Required
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MachXO2
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LCMXO2-1200
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414 Slices
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LatticeEC
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LFEC1E
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391 Slices
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Xilinx Family
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Part Number
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Resources Required
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CoolRunner-II
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XC2C384
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208 Macrocells
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Spartan-6
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XC6SLX4
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Slice Regs 135
Slice LUTs 317
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Altera Family
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Part Number
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Resources Required
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MAX II
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EPM240T
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127 LEs
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Cyclone III
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EP3C5
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131 LEs
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Cyclone IV
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EP4CE6E
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131 LEs
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Xilinx Family
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Part Number
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Resources Required
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CoolRunner-II
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XC2C256
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95 Macrocells
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Spartan-6
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XC6SLX4
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Slice Regs 45
Slice LUTs 52
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Lattice Family
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Part Number
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Resources Required
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MachXO2
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LCMXO2-256
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50 Slices
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LatticeEC
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LFEC1E
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50 Slices
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Altera Family
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Part Number
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Resources Required
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MAX II
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EPM2210
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1545 LEs
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Cyclone III
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EP3C5
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1536 LEs
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Cyclone IV
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EP4CE6E
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1566 LEs
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Lattice Family
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Part Number
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Resources Required
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MachXO2
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LCMXO2-200
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831 Slices
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LatticeEC
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LFEC1E
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767 Slices
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Xilinx Family
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Part Number
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Resources Required
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Spartan-6
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XC6SLX4
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Slice Regs 515
Slice LUTs 607
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