FPGA Market

LC4256B-3TN100C

Lattice ispMACH 4000V/B/C/Z CPLD

256 macrocells 100-pin Commercial

Available

The LC4256B-3TN100C is a Lattice ispMACH 4000V/B/C/Z CPLD based on the LC4256B device, with 256 macrocells. It comes in the TN100 package (100-TQFP, 14 × 14 mm), speed grade 3, commercial temperature (0 °C to 90 °C, junction).

Macrocells
256
Pins
100
Speed grade
3
Temperature
Commercial

Part details

Manufacturer
Lattice Semiconductor
Part number
LC4256B-3TN100C
Base device
LC4256B
Family
ispMACH 4000V/B/C/Z
Package
TN100
Pin / ball count
100
Speed grade
3
Temperature grade
Commercial

Device specifications

Specifications

Package outline
100-TQFP, 14 × 14 mm
Package / case
100-LQFP
Mounting
Surface Mount
User I/O
64
Macrocells
256
Logic blocks
16
Programming
In System Programmable
Propagation delay (tpd, max)
3 ns
Internal supply voltage
2.3 V to 2.7 V
Operating temperature
0 °C to 90 °C (junction)

Part number breakdown

SegmentFieldMeaning
LC4256BBase DeviceDevice LC4256B
3Speed Grade3
TN100PackageTN100
CTemperature GradeCommercial

Documentation

Alternatives and other versions

Part numberHow it comparesPackageSpeedTemperature
LC4256B-10TN100IEngineering review required · 71/100Slower -10 speed grade: timing must be re-closed. Industrial (−40 to +105 °C) covers commercial (0 to +90 °C)TN10010Industrial
LC4256B-5TN100CEngineering review required · 71/100Slower -5 speed grade: timing must be re-closedTN1005Commercial
LC4256B-5TN100IEngineering review required · 71/100Slower -5 speed grade: timing must be re-closed. Industrial (−40 to +105 °C) covers commercial (0 to +90 °C)TN1005Industrial
LC4256B-75TN100CEngineering review required · 71/100Slower -75 speed grade: timing must be re-closedTN10075Commercial
LC4256B-75TN100IEngineering review required · 71/100Slower -75 speed grade: timing must be re-closed. Industrial (−40 to +105 °C) covers commercial (0 to +90 °C)TN10075Industrial
LC4256B-5TN176ISame device, different packageTN1765Industrial
LC4256B-75TN176ISame device, different packageTN17675Industrial

Ranked from manufacturer datasheets and pinout files. Customer approval still recommended.

Frequently asked questions

What package is the LC4256B-3TN100C?
The LC4256B-3TN100C comes in the TN100 package (100-TQFP, 14 × 14 mm).
Which versions of the LC4256B come in industrial temperature?
The LC4256B-3TN100C is not an industrial-temperature part. 5 LC4256B parts are industrial temperature. A different speed grade or package is not a drop-in replacement, so check it against your design.LC4256B-10TN100ILC4256B-5TN100ILC4256B-75TN100ILC4256B-5TN176ILC4256B-75TN176I

LC4256B discontinued?

We still source this part. If the design is being revised, the replacement page lists current Lattice devices of similar capacity.

LC4256B replacement options

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