Features: * High Density, High Performance Electrically Erasable Complex Programmable Logic Device 64 Macrocells 5 Product Terms per Macrocell, Expandable up to 40 per Macrocell 44, 68, 84, 100 pins 7 ns Maximum Pin-to-Pin Delay Registered Operation Up To 100 MHz Enhanced Routing Resources* In-...
ATF1504ASZ: Features: * High Density, High Performance Electrically Erasable Complex Programmable Logic Device 64 Macrocells 5 Product Terms per Macrocell, Expandable up to 40 per Macrocell 44, 68, 84, 100 pins...
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* High Density, High Performance Electrically Erasable Complex Programmable Logic
Device
64 Macrocells
5 Product Terms per Macrocell, Expandable up to 40 per Macrocell
44, 68, 84, 100 pins
7 ns Maximum Pin-to-Pin Delay
Registered Operation Up To 100 MHz
Enhanced Routing Resources
* In-System Programmability (ISP) via JTAG
* Flexible Logic Macrocell
D/T/Latch Configurable Flip Flops
Global and Individual Register Control Signals
Global and Individual Output Enable
Programmable Output Slew Rate
Programmable Output Open Collector Option
Maximum Logic utilization by burying a register within a COM output
* Advanced Power Management Features
Automatic 100 A Stand-By for "Z" Version
Pin-Controlled 4 mA Stand-By Mode (Typical)
Programmable Pin-Keeper Inputs and I/Os
Reduced-Power Feature Per Macrocell
* Available in Commercial and Industrial Temperature Ranges
* Available in 44-, 68-, and 84-pin PLCC; 44- and 100-pin TQFP; and 100-pin PQFP
* Advanced EE Technology
100% Tested
Completely Reprogrammable
100 Program/Erase Cycles
20 Year Data Retention
2000V ESD Protection
200 mA Latch-Up Immunity
JTAG Boundary-Scan Testing to IEEE Std. 1149.1-1990 and 1149.1a-1993 Supported
PCI-compliant
3.3 or 5.0V I/O pins
Security Fuse Feature
The ATF1504ASZ is a high performance, high density Complex Programmable Logic Device (CPLD) which utilizes Atmel's proven electrically erasable memory technology. With 64 logic macrocells and up to 68 inputs, it easily integrates logic from several TTL, SSI, MSI, LSI and classic PLDs. The ATF1504AS's enhanced routing switch matrices increase usable gate count, and the odds of successful pin-locked design modifications.
The ATF1504ASZ has up to 68 bi-directional I/O pins and 4 dedicated input pins, depending on the type of device package selected. Each dedicated 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.
Each of the 64 macrocells generates a buried feedback, which goes to the global bus. Each input and I/O pin also. feeds into the global bus. The switch matrix in each logic block then selects 40 individual signals from the global bus. Each macrocell also generates a foldback logic term, which goes to a regional bus. Cascade logic between macrocells in the ATF1504AS allows fast, efficient generation of complex logic functions. The ATF1504ASZ contains four such
logic chains, each capable of creating sum term logic with a fan in of up to 40 product terms.
The ATF1504ASZ macrocell shown in Figure 1, is flexible enough to support highly complex logic functions operating at high speed. The macrocell consists of five sections: product terms and product term select multiplexer; OR/XOR/CASCADE logic; a flip-flop; output select and enable; and logic array inputs.