ATF16V8B-10JU - 10ns 8-Macrocell EEPLD | Microchip Technology
Référence : ATF16V8B-10JU ✓ ActifATF16V8B-10JU Présentation
A simple programmable logic device, or SPLD, is a programmable semiconductor used to implement small amounts of fixed digital logic. Its architecture occupies a position between discrete gates and larger field-programmable gate arrays: an SPLD provides reusable combinational or registered logic, product-term interconnect, and field-configurable output stages without the complexity of an FPGA. The ATF16V8B family is intended for glue logic, control logic, decoding, state-machine support, and interface adaptation.
The ATF16V8B architecture contains 8 output macrocells, with each output allocated 8 product terms. Up to 16 inputs can feed the programmable AND-array, while 8 pins can be configured as inputs or outputs. Three operating modes are selected automatically by the configuration software: simple mode, complex mode, and registered mode. This flexibility permits both combinational equations and registered state logic in one device.
The ATF16V8B-10JU is identified by a 10 ns device speed and a JU package designation. According to the manufacturer product information, it is a standard-power, 5 V, green-package, electrically erasable PLD with a 250-gate-equivalent capacity. Electrically erasable configuration memory allows the device to be reprogrammed without removing it from the circuit.
Typical uses include legacy control systems, address decoding, interface qualification, small state machines, and industrial glue logic. It is especially relevant when a compact PLCC design requires 16V8-style logic density, retained configuration, and programmable registered outputs rather than the larger logic capacity and I/O count of an FPGA.
Circuit implementation requires careful review of the device pinout, programming software, and required 5 V supply conditions. Designers should preserve the prescribed input and output transition assumptions, account for system timing at the stated 10 ns speed, and validate every programmed function against the manufacturer pin-description table before production release.
This product page combines the exact ATF16V8B-10JU ordering information with application-oriented design guidance, package details, programming references, and a focused comparison of electrically erasable PLD alternatives. It is intended to accelerate engineering review while keeping PCB compatibility, timing, and configuration-tool requirements visible.
Alternatives de remplacement direct pour ATF16V8B-10JU — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ATF16V8B-10JU (même facteur de forme et même empreinte) — différant par Device Type, Package, Operating Modes, Maximum Inputs, Mounting Type.
ATF16V8B-15JU
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →ATF16V8B-15PC
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →ATF16LV8C-10JU
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ATF16V8BQL-15PU
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
GAL16V8D-15QJ
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ATF16V8B-10JU Valeurs maximales et caractéristiques électriques
| Device Type | Electrically erasable programmable logic device |
| Architecture | 16V8 SPLD |
| Macrocells | 8 macrocells |
| Maximum Inputs | Up to 16 inputs |
| Configurable I/O Pins | 8 I/O pins |
| Output Count | 8 outputs |
| Product Terms per Output | 8 product terms |
| Propagation Delay | 10 ns |
| Tension d'alimentation | 5 V |
| Logic Capacity | 250 gates |
| Configuration Technology | Electrically erasable Flash memory |
| Operating Modes | 3 automatic software-selected modes |
| Boîtier | 20-pin PLCC, 9 x 9 mm |
| Type de montage | Surface mount |
| Power Class | Standard power |
| Package Environmental Class | Green package |
Guide de configuration des broches du ATF16V8B-10JU green package
Configuration des broches du ATF16V8B-10JU (boîtier green package). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour ATF16V8B-10JU.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
ATF16V8B-10JU convient pour 6 applications: Address Decoding, Small State-Machine Control, Legacy Interface Glue Logic, Industrial Control Signal Conditioning, Power-Control Sequencing, Field-Programmable Legacy Systems.
Address Decoding
The ATF16V8B-10JU is well suited to decoding processor or memory addresses into chip-select and peripheral-enable signals because the 16V8 architecture can combine up to 16 inputs through programmable product terms. Its 10 ns propagation-delay class supports conventional control paths where decode latency must remain bounded. The eight output macrocells can implement registered or combinational decode equations, while the PLCC package keeps the implementation compact. Before routing a board, compare the JEDEC-suffix pin assignments and verify that every address bit and decoded output maps to the correct package pin.
Recommandé
Small State-Machine Control
The ATF16V8B-10JU can implement compact state machines when the required states fit within its eight registered macrocells and programmable product-term network. Registered mode supports clocked state transitions, while configurable feedback and output-enable behavior allow sequencing of external control lines. Its 10 ns speed class is appropriate for many control and handshake paths, although exact timing margins depend on the system clock and external propagation delays. Validate the state equations and registered-output polarity in simulation before programming the final configuration.
Recommandé
Legacy Interface Glue Logic
The ATF16V8B-10JU is appropriate for adapting older bus signals to a modern controller, including data-width conversion, pulse shaping, or qualification logic. Sixteen inputs provide sufficient visibility into multiple control or data lines, and the eight configurable outputs can combine or qualify those signals. Electrically erasable Flash configuration allows the glue logic to be revised during maintenance without replacing the device. Confirm signal direction, register clocking, and I/O voltage assumptions against the exact ATF16V8B pin description before laying out the interface circuit.
Recommandé
Industrial Control Signal Conditioning
The ATF16V8B-10JU can implement deterministic control functions in industrial equipment, including command validation, interlock logic, and status mapping. The 8-macrocell 16V8 architecture provides more logic density than a small handful of gates while remaining simpler than an FPGA. Its 10 ns nominal delay and standard 5 V operating class fit many legacy control platforms. Environmental approval still depends on the published operating-temperature limits, supply tolerances, and qualification status, so those characteristics must be checked against the equipment specification before release.
Recommandé
Power-Control Sequencing
The ATF16V8B-10JU can coordinate simple power-enable, reset, and fault-feedback sequences when the design requires deterministic logic rather than a general-purpose microcontroller. Up to 16 inputs allow the device to monitor command, acknowledgment, and fault signals, while registered outputs can reduce uncontrolled transitions between operating states. The 10 ns timing class can support short control intervals, but actual sequencing timing must include delays in the power devices being controlled. Program and test every output state, including power-loss restart behavior, before integrating the logic into a supply system.
Recommandé
Field-Programmable Legacy Systems
The ATF16V8B-10JU is useful in legacy systems that require a programmable logic function but have no suitable FPGA resources or board space. Electrically erasable Flash configuration permits logic updates during product maintenance, while the compact 20-pin PLCC package simplifies replacement within an existing footprint. The eight macrocells can implement decoding, registered control, and limited combinational functions. Because programming-file formats and programmer algorithms can differ among 16V8 devices, validate the exact ATF16V8B device entry and regeneration flow before using it as a production substitute.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATF16V8B-10JU — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATF16V8B-15JU | ATF16V8B-15PC | ATF16LV8C-10JU | ATF16V8BQL-15PU | GAL16V8D-15QJ |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Lattice Semiconductor |
| Package | 20-pin PLCC | 20-pin PLCC | 20-pin PLCC | 20-pin PLCC | 20-pin PLCC | 20-pin PLCC |
| Architecture | 16V8 | 16V8 | 16V8 | 16V8 | 16V8 | GAL16V8 |
| Propagation Delay | 10 ns | 15 ns | 15 ns | 10 ns | 15 ns | 15 ns |
Principaux différenciateurs
- Faster nominal propagation-delay class (vs ATF16V8B-15JU)
- Speed-matched same-package replacement candidate (vs ATF16LV8C-10JU)
- Electrically erasable Flash configuration (vs GAL16V8D-15QJ)
- Higher timing margin over slower family variants (vs ATF16V8BQL-15PU)
Notes de conception
Do not treat a 16V8-compatible label as proof of automatic interchangeability. Verify the device pin description, registered-output clock and feedback behavior, output-enable polarity, supply limits, and programmer algorithm. The ATF16V8B-10JU uses electrically erasable Flash configuration, while some GAL16V8-family alternatives use different nonvolatile or fuse-based technologies.
Route all ATF16V8B-10JU signals with short, controlled-impedance paths where clocks or high-speed buses are involved. Separate clock and sensitive control traces from switching-node and power-converter routing where practical. Because the device supports registered and combinational modes, evaluate setup, hold, clock skew, and output loading across the complete clock domain rather than relying only on the nominal 10 ns propagation-delay figure.
Design the 20-pin PLCC footprint from the exact JU package drawing and maintain the manufacturer-recommended pad geometry and soldering profile. Confirm pin-1 orientation against the board silkscreen and assembled component marking. A PLCC socket can aid prototype rework, but its orientation and contact reliability must also be checked when the board is intended for repeated service or programming.
Provide a stable 5 V supply and place the required bypass capacitors close to the device's supply and ground pins. Establish the maximum supply-voltage and operating-temperature limits from the manufacturer datasheet rather than inferring them from the family name. Because configuration changes can momentarily affect internal logic behavior, validate the system response to power-up, reset, and reprogramming events.
Informations de conformité
Microchip identifies the ATF16V8B family as a green package, but the supplied technical information does not explicitly define RoHS, REACH, halogen-free, lead-free, conflict-minerals, or automotive qualification status.
