3-Volt Operation Wide Range 5.25 (Commercial) (Industrial) High Perfor
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ATLV2500B/BL
3-Volt Operation Wide Range 5.25 (Commercial) (Industrial) High Performance, High Density Programmable Logic Device Maximum Pin-to-Pin Delay Fully Connected Logic Array With Product Terms Flexible Output Macrocell Flip-Flops Macrocell Terms Flip-Flops, Pins Feed Independently Achieves Over Gate Utilization Enhanced Macrocell Configuration Selections T-Type Flip-Flops Product Term Direct Input Clocking Registered Combinatorial Internal Feedback Power ATLV2500BL Stand-By (Typical) Backward Compatible With ATV2500H/L Software Proven Reliable High Speed EPROM Process Reprogrammable Tested 100% Programmability 44-Lead Surface Mount Packages
High Speed High Density Erasable Programmable Logic Device Advance Information
Block Diagram
PRODUCT TERMS)
INPUT PINS
PROGRAMMABLE INTERCONNECT COMBINATORIAL LOGIC ARRAY
FLIP-FLOPS
OUTPUT MACROS
PINS
Description
ATLV2500Bs highest density PLDs available 44-pin package. With their fully connected logic array flexible macrocell structure, high gate utilization easily obtainable. ATLV2500Bs organized around single universal input bus. feedback terms always available every macrocell. Each logic pins array inputs, outputs each flip-flop. (continued)
Configurations
Name CLK/IN Function Logic Inputs Clock Input Bidirectional Buffers Ground Supply
I/O2 I/O3 I/O4 I/O5 I/O17 I/O16 I/O15 I/O14 I/O13
I/O0 CLK/IN I/O1
I/O6
I/O7 I/O8 I/O9 I/O10 I/O11 I/O23 I/O22 I/O21 I/O20
I/O12 I/O19 I/O18
0427A
1-191
Description (Continued)
ATLV2500Bs, four product terms input each term. Furthermore, each macrocell's three terms combined provide product terms term with performance penalty. Each flip-flop individually selectable either T-type, providing further logic compaction. Also, flip-flops bypassed provide internal combinatorial feedback logic array. Product terms provide individual clocks asynchronous resets each flip-flop. flip-flops also individually configured have direct input clocking. Each output enable product term. Eight synchronous preset product terms serve local groups either four eight flip-flops. Register preload functions provided simplify testing. registers automatically reset upon power ATLV2500BL voltage compatible device with speeds fast ATLV2500BL consumes only standby, which provides optimum power solution with full CMOS output levels. ATLV2500BL significantly reduces total system power, allowing battery-powered operation.
D.C. A.C. Operating Conditions
Commercial -15, Operating Temperature (Case) Power Supply 70oC 5.25 Industrial -15, -40oC 85oC
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ATLV2500B/BL
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