Description

The LC4256C-75TN100I is a programmable logic device (PLD) belonging to the ispMACH 4000 family from Lattice. This family combines the best features of the ispLSI 2000 and ispMACH 4A architectures, offering a high-performance and low-power CPLD solution. With a maximum operating frequency of 400MHz and a propagation delay of 2.5ns, it provides excellent performance. It also features up to four global clock pins with programmable polarity control, enhanced macrocells with individual clock, reset, preset, and clock enable controls, and wide input gating for fast counters, state machines, and address decoders.

Specifications and features

• High Performance:
  • fMAX = 400MHz maximum operating frequency
  • tPD = 2.5ns propagation delay
  • Up to four global clock pins with programmable clock polarity control
  • Up to 80 PTs per output
• Ease of Design:
  • Enhanced macrocells with individual clock, reset, preset, and clock enable controls
  • Up to four global OE controls
  • Individual local OE control per I/O pin
  • Excellent First-Time-FitTM and refit
  • Fast path, SpeedLockingTM Path, and wide-PT path
  • Wide input gating (36 input logic blocks) for fast counters, state machines, and address decoders
• Zero Power (ispMACH 4000Z) and Low Power (ispMACH 4000V/B/C):
  • Typical static current 10µA (4032Z)
  • Typical static current 1.3mA (4000C)
  • 1.8V core low dynamic power
  • ispMACH 4000Z operational down to 1.6V VCC
• Broad Device Offering:
  • Multiple temperature range support
  • Commercial: 0 to 90°C junction (Tj)
  • Industrial: -40 to 105°C junction (Tj)
  • Extended: -40 to 130°C junction (Tj)
  • For AEC-Q100 compliant devices, refer to LA-ispMACH 4000V/Z Automotive Data Sheet
• Easy System Integration:
  • Superior solution for power-sensitive consumer applications
  • Operation with 3.3V, 2.5V, or 1.8V LVCMOS I/O
  • Operation with 3.3V (4000V), 2.5V (4000B), or 1.8V (4000C/Z) supplies
  • 5V tolerant I/O for LVCMOS 3.3, LVTTL, and PCI interfaces
  • Hot-socketing
  • Open-drain capability
  • Input pull-up, pull-down, or bus-keeper
  • Programmable output slew rate
  • 3.3V PCI compatible
  • IEEE 1149.1 boundary scan testable
  • 3.3V/2.5V/1.8V In-System Programmable (ISP™) using IEEE 1532 compliant interface
  • I/O pins with fast setup path
  • Lead-free package options

Application Scenarios

The LC4256C-75TN100I is suitable for various applications that require high-performance CPLDs with low power consumption. It can be used in consumer electronics, industrial control systems, communication devices, and automotive electronics. With its ease of design and flexible integration options, it provides designers with a versatile solution for complex digital designs.

Comparison

- High-performance CPLD with a maximum operating frequency of 400MHz

- Low power consumption with options for zero power or low power operation

- Flexible I/O voltage compatibility for easy system integration

- Wide range of temperature support for various applications

- Enhanced macrocells for ease of design

- Lead-free package options for environmentally friendly manufacturing

- Limited number of available global clock pins

- Proprietary programming interface (ISP™) may require additional tools or software