Products > Integrated Circuits (ICs) > Programmable Logic ICs > LC4256B-75FT256ACAHV
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SuperFAST High Density PLDs

Manufacturer :
Lattice Semiconductor Corp
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RoHs Status:
Lead free / RoHS Compliant

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LC4256B-75FT256ACAHV Product Details

The high performance ispMACH 4000 family from Lattice offers a SuperFAST CPLD solution. The family is a blend of Lattice’s two most popular architectures: the ispLSI® 2000 and ispMACH 4A. Retaining the best of both families, the ispMACH 4000 architecture focuses on significant innovations to combine the highest performance with low power in a flexible CPLD family. 

The ispMACH 4000 combines high speed and low power with the flexibility needed for ease of design. With its robust Global Routing Pool and Output Routing Pool, this family delivers excellent First-Time-Fit, timing predictability, routing, pin-out retention and density migration. 

The ispMACH 4000 family offers densities ranging from 32 to 512 macrocells. There are multiple density-I/O combinations in Thin Quad Flat Pack (TQFP), Chip Scale BGA (csBGA) and Fine Pitch Thin BGA (ftBGA) packages ranging from 44 to 256 pins/balls. Table 1 shows the macrocell, package and I/O options, along with other key parameters. 

The ispMACH 4000 family has enhanced system integration capabilities. It supports 3.3V (4000V), 2.5V (4000B) and 1.8V (4000C/Z) supply voltages and 3.3V, 2.5V and 1.8V interface voltages. Additionally, inputs can be safely driven up to 5.5V when an I/O bank is configured for 3.3V operation, making this family 5V tolerant. The ispMACH 4000 also offers enhanced I/O features such as slew rate control, PCI compatibility, bus-keeper latches, pull-up resistors, pull-down resistors, open drain outputs and hot socketing. The ispMACH 4000 family members are 3.3V/ 2.5V/1.8V in-system programmable through the IEEE Standard 1532 interface. IEEE Standard 1149.1 boundary scan testing capability also allows product testing on automated test equipment. The 1532 interface signals TCK, TMS, TDI and TDO are referenced to VCC (logic core).


■ 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

LC4256B-75FT256ACAHV Block Diagram
(Picture: Diagram)

Technical Parameters

Manufacturer LATTICE RoHs Status Lead free / RoHS Compliant
Packing Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube Package/Case TQFP,fpBGA, ftBGA, csBGA

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Q: How does Jotrin guarantee that LC4256B-75FT256ACAHV is the original manufacturer or agent of LATTICE?
We have a professional business development department to strictly test and verify the qualifications of LATTICE original manufacturers and agents. All LATTICE suppliers must pass the qualification review before they can publish their LC4256B-75FT256ACAHV devices; we pay more attention to the channels and quality of LC4256B-75FT256ACAHV products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
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You can use Jotrin's intelligent search engine, or filter by ispMACH 4000V/B/C/Z Family category, or find it through Lattice Semiconductor Corp Information page.
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Lattice Semiconductor Corporation is a leading provider of Programmable Logic Devices, software, Intellectual Property, and development kits. The Mid-Range Lattice ECP3 family is the lowest power SerD...
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