Product Overview
Lattice Semiconductor ispLSI 1032E High-Density In-System Programmable Logic Device
Condition
Used pull. Hand-pulled from decommissioned equipment, chosen for clean pedigree. Untested, with no failures reported. Evaluation: Visual inspection only. Function testing not performed. Markings legible: Lattice ispLSI 1032E 70LJ.
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Product Overview
Lattice Semiconductor ispLSI 1032E-70LJ is a high-density, 5.0V in-system programmable complex programmable logic device (CPLD) offering 6,000 PLD gates and a 70 MHz maximum operating frequency. Built on the ispLSI 1000E architecture, it integrates 128 logic macrocells, 32 generic logic blocks, and 64 dedicated I/O pins within an 84-pin plastic leaded chip carrier (PLCC-84) footprint. In-system programmability allows configuration and logic updates directly on the board without component removal.
Key Features
- 6,000 PLD gates with 128 macrocells and 32 Generic Logic Blocks (GLBs)
- 70 MHz maximum operating frequency (fmax)
- 15 ns propagation delay (tpd)
- 64 dedicated user I/O pins
- 5.0 V nominal operating supply voltage (4.75 V to 5.25 V)
- Commercial operating temperature range of 0°C to 70°C
- In-system programmable non-volatile E2CMOS technology
- 84-pin J-leaded plastic chip carrier (PLCC-84) surface-mount package
Applications
- Replacing failed CPLDs on legacy industrial automation boards, motion drives, and process controls during bench servicing.
- Maintaining legacy telecommunications hardware and scientific instrumentation relying on 5V 1000E-series programmable logic.
- Prototyping custom bus interfaces, memory decoders, and timing generators for retrocomputing and embedded hardware builds.
Frequently Asked Questions
Can this CPLD be programmed while installed in the circuit?
Yes. The ispLSI 1032E supports 5V in-system programming, allowing configuration directly on the circuit board through compatible programming headers.
What package style does this IC use?
This device comes in an 84-pin plastic leaded chip carrier (PLCC-84) designed for surface-mount soldering or insertion into a standard 84-pin PLCC socket.
What is the condition of this pull, and what testing has been performed?
This chip was hand-pulled from decommissioned equipment and inspected visually for intact leads and package integrity. Functional testing has not been performed on the internal logic after removal.
When a legacy controller halts over an obsolete logic chip, a clean pull gets the line running again without the cost of a full board redesign. Drop it into the socket, flash the logic, and put the machine back on the clock.
