GAL16V8D-10LJN

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GAL16V8D-10LJN

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IC CPLD 8MC 10NS 20PLCC

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Attribut Wert
Supplier Lattice Semiconductor Corporation
Package / Case Tube
Series GAL®16V8
Part Status Obsolete
Programmable Type EE PLD
Delay Timetpd(1)Max 10 ns
Voltage Supply - Internal 4.75V ~ 5.25V
Number of Macrocells 8
Operating Temperature 0°C ~ 75°C (TA)
Mounting Type Surface Mount

Übersicht

Description

GAL16V8D-10LJN is a 16-input, 8-output programmable logic device (PAL/EPLD) in the GAL family. It provides a compact, programmable way to implement combinational logic and glue logic without external gates.
Key points:
- Architecture: 8 macro cells fed by 16 inputs; outputs are driven by programmable product-term logic.
- Technology: 5V CMOS with TTL-compatible inputs; fuse-programmable logic (reconfigurable with the proper GAL programmer).
- Speed/packaging: -10 speed grade (about 10 ns); package code LJN (specific package varies by supplier).
- Programming: Configured via a GAL programmer using standard PAL/GAL programming software.
- Uses: Address decoding, decoding and gating, simple state-machine logic in small digital circuits.
Note: For exact pinout, package type, electrical specs, and programming details, consult the official datasheet from the vendor (e.g., Lattice/AMD) or the distributor.

Equivalent

Equivalent parts for GAL16V8D-10LJN (pin/logic compatible) include:
- AMD PAL16V8 / PAL16R8 (legacy PAL equivalents)
- Lattice GAL16V8D variants in the same family (e.g., GAL16V8D-15, -20, -25)
- Lattice PALCE16V8 (pin-compatible drop-in)
Note: Speed grades (-10 vs -15/-20/-25) and packaging may differ; verify exact pinout and timing for your design.

Features

Here are the key features of GAL16V8D-10LJN:
- 16 macrocells for implementing logic functions
- 8 external user inputs and 16 macrocell outputs (Q0–Q15) to device pins
- Each macrocell supports a programmable function plus an optional edge-triggered D-type flip-flop for registered outputs
- Fully programmable with GAL fuse/link technology; reprogrammable with a standard GAL programmer
- 5V operation (typical 4.75–5.25 V)
- Speed grade -10 (high-speed variant)
- Global output enable (G) control and optional inverted outputs
- Available in 24-pin DIP (LJN) and related packages
- Low-power CMOS EPLD device suitable for glue logic, small state machines, and digital logic tasks

Pinout

- Pin count: 28 pins (28‑pin DIP in the LJN package).
- Function: GAL16V8D is a Generic Array Logic (EPLD) device — a PAL‑like programmable logic device with 16 macro cells and 8 outputs. It implements user-defined combinational (and simple sequential) logic by wiring 16 product terms to 8 programmable outputs.

Manufacturer

- Manufacturer: Lattice Semiconductor
- What kind of company: An American fabless semiconductor company that designs and markets programmable logic devices (PLDs), including GALs, CPLDs, and FPGAs.

Application

Typical application areas for GAL16V8D-10LJN:
- Glue logic between microprocessors and peripherals
- Address decoding and chip-select generation
- Generation of control signals (RD/WR, MREQ, IRQ) from address/status
- Small ROMs/lookup tables and general combinational logic
- Simple finite-state machines and timing/control logic
- Decoding/multiplexing/demultiplexing in I/O subsystems
- Replacement for PALs/PLAs in cost-sensitive designs
- Peripheral interfaces (keyboard, display, sensors) in embedded systems
Concise, versatile PLD for basic digital glue logic and small control tasks.

Package

DIP-24 plastic package (24-pin DIP).

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