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APA075-TQG1152B View Datasheet(PDF) - Actel Corporation

Part NameAPA075-TQG1152B ACTEL
Actel Corporation ACTEL
DescriptionProASICPLUS® Flash Family FPGAs
APA075-TQG1152B Datasheet PDF : 178 Pages
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ProASICPLUS Flash Family FPGAs
In 1
In 2 (CLK)
Local Routing
Efficient Long-Line Routing
In 3 (Reset)
Figure 1-3 • Core Logic Tile
Live at Power-Up
The Actel flash-based ProASICPLUS devices support
Level 0 of the live at power-up (LAPU) classification
standard. This feature helps in system component
initialization, executing critical tasks before the
processor wakes up, setting up and configuring memory
blocks, clock generation, and bus activity management.
The LAPU feature of flash-based ProASICPLUS devices
greatly simplifies total system design and reduces total
system cost, often eliminating the need for complex
programmable logic device (CPLD) and clock generation
PLLs that are used for this purpose in a system. In
addition, glitches and brownouts in system power will
not corrupt the ProASICPLUS device's flash configuration,
and unlike SRAM-based FPGAs, the device will not have
to be reloaded when system power is restored. This
enables the reduction or complete removal of the
configuration PROM, expensive voltage monitor,
brownout detection, and clock generator devices from
the PCB design. Flash-based ProASICPLUS devices simplify
total system design, and reduce cost and design risk,
while increasing system reliability and improving system
initialization time.
Flash Switch
Unlike SRAM FPGAs, ProASICPLUS uses a live-at-power-up
ISP flash switch as its programming element.
In the ProASICPLUS flash switch, two transistors share the
floating gate, which stores the programming
information. One is the sensing transistor, which is only
used for writing and verification of the floating gate
voltage. The other is the switching transistor. It can be
used in the architecture to connect/separate routing nets
or to configure logic. It is also used to erase the floating
gate (Figure 1-2 on page 1-2).
Logic Tile
The logic tile cell (Figure 1-3) has three inputs (any or all
of which can be inverted) and one output (which can
connect to both ultra-fast local and efficient long-line
routing resources). Any three-input, one-output logic
function (except a three-input XOR) can be configured as
one tile. The tile can be configured as a latch with clear
or set or as a flip-flop with clear or set. Thus, the tiles can
flexibly map logic and sequential gates of a design.
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Device Family Overview
The ProASICPLUS family of devices, Actel’s second generation family of flash FPGAs, offers enhanced performance over Actel’s ProASIC family. It combines the advantages of ASICs with the benefits of programmable devices through nonvolatile flash technology. This enables engineers to create high-density systems using existing ASIC or FPGA design flows and tools. In addition, the ProASICPLUS family offers a unique clock conditioning circuit based on two on-board phase-locked loops (PLLs). The family offers up to one million system gates, supported with up to 198 kbits of two-port SRAM and up to 712 user I/Os, all providing 50 MHz PCI performance.

Features and Benefits
High Capacity
Commercial and Industrial
• 75,000 to 1 Million System Gates
• 27 K to 198 Kbits of Two-Port SRAM
• 66 to 712 User I/Os
• 300, 000 to 1 Million System Gates
• 72 K to 198 Kbits of Two Port SRAM
• 158 to 712 User I/Os

Reprogrammable Flash Technology
• 0.22 µm 4 LM Flash-Based CMOS Process
• Live At Power-Up (LAPU) Level 0 Support
• Single-Chip Solution
• No Configuration Device Required
• Retains Programmed Design during Power-Down/Up Cycles
• Mil/Aero Devices Operate over Full Military Temperature Range

• 3.3 V, 32-Bit PCI, up to 50 MHz (33 MHz over military temperature)
• Two Integrated PLLs
• External System Performance up to 150 MHz

Secure Programming
• The Industry’s Most Effective Security Key (FlashLock®)

Low Power
• Low Impedance Flash Switches
• Segmented Hierarchical Routing Structure
• Small, Efficient, Configurable (Combinatorial or Sequential) Logic Cells

High Performance Routing Hierarchy
• Ultra-Fast Local and Long-Line Network
• High-Speed Very Long-Line Network
• High-Performance, Low Skew, Splittable Global Network
• 100% Routability and Utilization

• Schmitt-Trigger Option on Every Input
• 2.5 V / 3.3 V Support with Individually-Selectable Voltage and Slew Rate
• Bidirectional Global I/Os
• Compliance with PCI Specification Revision 2.2
• Boundary-Scan Test IEEE Std. 1149.1 (JTAG) Compliant
• Pin-Compatible Packages across the ProASICPLUS Family

Unique Clock Conditioning Circuitry
• PLL with Flexible Phase, Multiply/Divide, and Delay Capabilities
• Internal and/or External Dynamic PLL Configuration
• Two LVPECL Differential Pairs for Clock or Data Inputs

Standard FPGA and ASIC Design Flow
• Flexibility with Choice of Industry-Standard Front-End Tools
• Efficient Design through Front-End Timing and Gate Optimization

ISP Support
• In-System Programming (ISP) via JTAG Port

• SmartGen Netlist Generation Ensures Optimal Usage of Embedded Memory Blocks
• 24 SRAM and FIFO Configurations with Synchronous and Asynchronous Operation up to 150 MHz (typical)


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