Lattice Semiconductor Corporation LC4128B-75T128I

Mfr. Part

LC4128B-75T128I

Manufacturer

Lattice Semiconductor

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Detailed Description

128-macrocell CPLD from the ispMACH 4000B series

In-system programmable for easy field updates

Propagation delay up to 7.5 ns for fast logic

128-pin TQFP 14 x 14 mm package

Surface-mount design for compact PCBs

Industrial junction temperature range minus 40 to 105 degrees Celsius

Internal supply 2.3 to 2.7 V

92 user I O pins

8 logic blocks

Base product number LC4128

RoHS non-compliant

Stock on hand 2692 units

Small classification Embedded CPLDs

Main category Integrated Circuits ICs

Key Features

128 macrocells for mid-range logic density

In-system programmable via standard interfaces for quick design changes

Fast timing with 7.5 ns tpd typical path

Industrial temperature range for harsh environments

Surface-mount TQFP for reliable automated assembly

Tray packaging for secure handling in production

Key Advantages

Short propagation delay supports higher performance designs

ISP capability reduces time and cost for updates and rework

Solid industrial temperature support improves reliability in the field

Compact 14 x 14 mm footprint helps shrink board size

92 I O pins allow flexible interfacing to peripherals and buses

Packaging

Type tray for production handling

Case style 128-pin TQFP also referenced as 128 LQFP with 14 x 14 mm body

Mounting surface mount suitable for automated pick and place

Pin configuration 128 total pins with 92 user I O plus power ground clock and JTAG pins

Material molded plastic package with copper leadframe typical of QFP families

Thermal characteristics junction temperature minus 40 to 105 degrees Celsius follow standard QFP thermal practices on PCB

Electrical properties internal core supply 2.3 to 2.7 V tpd up to 7.5 ns ISP supported

Lifecycle

Status mature product within the ispMACH 4000B family

Availability may vary by region and date code

Potential alternatives in the same Lattice families verify pinout and timing before use

LC4128V similar density variant

LC4128ZE low power family variant with different core voltage

LC4064B lower density option for smaller designs

LC4256B higher density option if more macrocells are needed

MachXO or MachXO2 families for CPLD to FPGA like migration when additional features are required

If you need pin compatible or second source guidance contact Y-IC sales through our website for the latest lifecycle and substitute recommendations

Key Application Areas

Industrial control and automation logic

Glue logic between microcontrollers and peripherals

Bus bridging and arbitration

Interface adaptation and level sequencing

Finite state machines and timing generation

LED and display control

Consumer and communications equipment where fast deterministic logic is required

Datasheet

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Download the datasheet now for full electrical specifications pinout programming and design guidelines

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