ATF1504BE ATMEL Corporation, ATF1504BE Datasheet - Page 2

• Manufacturer Part Number: ATF1504BE
• Description: High Speed CPLD
• Manufacturer: ATMEL Corporation

Enhanced Features
1. Description
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ATF1504BE
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The ATF1504BE is a high-performance, high-density complex programmable logic device
(CPLD) that utilizes Atmel’s proven electrically-erasable technology. With 64 logic macrocells
and up to 68 inputs, it easily integrates logic from several TTL, SSI, MSI, LSI and classic PLDs.
The ATF1504BE’s enhanced routing switch matrices increase usable gate count and the odds
of successful pin-locked design modifications.
The ATF1504BE has up to 64 bi-directional I/O pins and four dedicated input pins. Each dedi-
cated pin can also serve as a global control signal, register clock, register reset or output enable.
Each of these control signals can be selected for use individually within each macrocell. Figures
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respectively.
Improved Connectivity (Additional Feedback Routing, Alternate Input Routing)
Output Enable Product Terms
Outputs Can Be Configured for High or Low Drive
Combinatorial Output with Registered Feedback and Vice Versa within each Macrocell
Three Global Clock Pins
Fast Registered Input from Product Term
Pull-up Option on TMS and TDI JTAG Pins
OTF (On-the-Fly) Reconfiguration Mode
DRA (Direct Reconfiguration Access)
and
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shows the pin assignments for the 100-lead and 44-lead TQFP packages
3637A–PLD–11/06