
ISPLSI3256E-100LB320 EE PLD by Lattice Semiconductor | 256-Cell PBGA320 | 10ns Delay
The ISPLSI3256E-100LB320 is a cutting-edge Electrically Erasable Programmable Logic Device (EE PLD) engineered by Lattice Semiconductor Corporation, a global leader in FPGA and CPLD solutions. This high-performance IC features 256 logic cells housed in a PBGA320 package, delivering exceptional flexibility for complex digital designs. With a rapid 10-nanosecond propagation delay, it excels in time-critical applications across industries. As part of Lattice's renowned ispLSI 3000E series, this device combines in-system programmability with non-volatile EEPROM technology, enabling reliable operation and easy field upgrades. Its robust architecture supports 5V operation and offers superior noise immunity, making it ideal for demanding embedded environments.
The ISPLSI3256E-100LB320 boasts impressive technical specifications that set it apart in the CPLD market. The device features 128 macrocells organized in 32 logic blocks, each containing 4 macrocells with shared product terms. It provides 160 user I/O pins in the 320-ball plastic BGA package, offering extensive connectivity options. The internal 5V 10% supply voltage ensures compatibility with traditional TTL systems, while its 10,000 program/erase cycles guarantee long-term reliability. Operating across the industrial temperature range (-40 C to +85 C), this PLD maintains stable performance in harsh conditions. The integrated boundary scan (JTAG 1149.1) capability simplifies testing and debugging processes during development and production.
Engineers value the ISPLSI3256E-100LB320 for its advanced architectural features that accelerate design implementation. The device utilizes Lattice's patented Optimized Reconfigurable Cell Array (ORCA) technology, enabling efficient routing and high logic utilization. Its global routing pool provides low-skew clock distribution, while programmable slew rate control minimizes EMI in sensitive applications. The inclusion of buried registers allows for complex state machine implementations without consuming additional I/O resources. With 3.2ns pin-to-pin logic delays and 200MHz maximum operating frequency, it outperforms many contemporary CPLDs in speed-critical applications.
The ISPLSI3256E-100LB320 finds extensive application across multiple industries due to its versatile capabilities. In telecommunications, it serves in protocol conversion, line interface units, and base station control logic. Industrial automation systems leverage its reliability for PLCs, motor controllers, and sensor interfaces. The computing sector utilizes it for peripheral control, bus arbitration, and memory management in servers and storage systems. Consumer electronics benefit from its integration in display controllers, gaming hardware, and smart appliance logic. Medical equipment manufacturers appreciate its deterministic timing for patient monitoring devices and diagnostic instruments. The device's combination of speed, density, and reprogrammability makes it particularly valuable for prototyping and low-to-medium volume production where ASICs would be cost-prohibitive.
Lattice Semiconductor supports the ISPLSI3256E-100LB320 with a comprehensive development ecosystem. The ispLEVER Classic design software provides schematic entry, Verilog/VHDL synthesis, and simulation tools. Engineers can leverage pre-verified IP cores for common functions like UARTs, counters, and state machines. The device's in-system programmability through the standard 4-wire JTAG interface facilitates field updates without physical removal. For production environments, Lattice offers programming fixtures and test vectors to streamline manufacturing. With its mature technology, extensive documentation, and reliable supply chain, the ISPLSI3256E-100LB320 remains a trusted solution for digital logic implementation nearly two decades after its introduction.