ATF16V8B-10SC - 10ns 250-Gate EEPLD | Microchip
Référence : ATF16V8B-10SC ✓ ActifATF16V8B-10SC Présentation
An electrically erasable programmable logic device, or EEPLD, is a semiconductor that stores a defined Boolean logic configuration in nonvolatile erasable memory. The ATF16V8B family belongs to the broader hierarchy of PLD, programmable logic IC, logic IC, and integrated circuit categories. Its architecture supports combinatorial and registered logic functions, making it useful when fixed Boolean control logic can replace multiple discrete gates.
Three headline characteristics define this device: eight macrocells provide the programmable logic capacity, the 10 ns grade supports higher-speed operation than slower PAL-compatible grades, and the 20-pin SOIC package supports compact surface-mount assembly. The family-level product information identifies a standard-power 5 V device with a green package, up to 16 inputs, and eight I/Os.
The ATF16V8B architecture is designed to supersede generic 16R8 and many 20-pin combinatorial PLD arrangements. Each output can receive multiple product terms, while configurable operating modes provide flexibility for registered, combinatorial, and complex logic implementations. The family documentation also identifies compatibility with established GAL16V8-style pin and fuse-map conventions, allowing engineers to evaluate it as a migration option for older programmable logic devices.
Typical uses include industrial control logic, interface decoding, sequencing, signal conditioning, and compact embedded systems that require a small number of deterministic Boolean functions. The ATF16V8B-10SC is particularly appropriate where a surface-mount 20-pin package, 10 ns timing grade, and electrically erasable configuration are preferable to a one-time-programmable PAL device.
Designers should verify the exact fuse map, pin assignment, timing limits, supply tolerances, and programming-device support against the manufacturer datasheet before replacing an installed GAL16V8 or PAL device. PCB layout must also preserve the specified SOIC-20 footprint and suitable power and ground distribution.
This product page consolidates the verified manufacturer and distributor information, compares compatible ATF16V8-family candidates, and highlights programming and replacement considerations that are not apparent from a distributor category listing alone.
Alternatives de remplacement direct pour ATF16V8B-10SC — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
ATF16V8B-10SU
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
ATF16V8BQL-10SC
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
ATF16V8BQ-10SC
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ATF16V8C-10SC
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
ATF16LV8C-10SC
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ATF16V8B-10SC Valeurs maximales et caractéristiques électriques
| Product Type | Electrically Erasable Programmable Logic Device (EEPLD) |
| Device Family | ATF16V8B |
| Architecture | 16V8 |
| Macrocell Count | 8 macrocells |
| Gate Count | 250 gates |
| Maximum Input Count | Up to 16 inputs |
| I/O Count | 8 I/Os |
| Speed Grade | 10 ns |
| Tension d'alimentation | 5 V |
| Power Class | Standard power |
| Programmable Technology | Electrically erasable |
| Boîtier | 20-SOIC (0.295 inch, 7.50 mm width) |
| Type de montage | Surface mount |
| Terminal Count | 20 terminals |
| Package Form | Gull wing |
| Package Shape | Rectangular |
| Operating Temperature Grade | Commercial |
| Maximum Pin-to-Pin Delay | 7.5 ns maximum |
| Pin Compatibility | Pin-to-pin and JEDEC fusemap compatible with GAL16V8 |
Guide de configuration des broches du ATF16V8B-10SC rectangular
Configuration des broches du ATF16V8B-10SC (boîtier rectangular). 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-10SC.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
ATF16V8B-10SC convient pour 6 applications: Industrial Control Sequencing, Interface and Address Decoding, Embedded System Compatibility Logic, Gal16v8 Migration, Instrument Signal Conditioning, Fixed Logic Consolidation.
Industrial Control Sequencing
The ATF16V8B-10SC fits fixed industrial control logic because its eight macrocells and 250-gate equivalent capacity can consolidate multiple Boolean functions into one 5 V device. The verified 10 ns speed grade provides timing margin for address decoding, state sequencing, interlock logic, and command-generation paths when those functions operate within the datasheet limits. A designer can implement the required combinational or registered equations in one 20-SOIC footprint instead of distributing simple gates across multiple packages. Before deployment, verify the commercial temperature grade against the enclosure environment, confirm fanout and propagation limits for every product term, and validate the fuse map with the intended programmer. If the ambient range exceeds the commercial rating, select an explicitly temperature-rated ATF16V8-family device instead of assuming the suffix designation does not matter.
Interface and Address Decoding
The ATF16V8B-10SC is appropriate for compact interface decoding where several address or control lines must produce defined output enables and data-path controls. Up to 16 inputs and eight I/Os provide enough resources for multi-signal Boolean decoding, while the 10 ns grade is useful for short combinational paths between decoded inputs and downstream control outputs. Placing this logic in a 20-SOIC package can reduce board area compared with separate 74-series logic packages. The implementation should use only the input and output resources defined for the selected architecture, and every registered or combinational output mode must match the intended fuse map. Bench testing should include worst-case supply voltage and temperature because the timing grade alone does not guarantee system-level timing without input slew rate, output loading, and interconnect assumptions.
Embedded System Compatibility Logic
The ATF16V8B-10SC can implement legacy embedded glue logic around processors, memories, and peripheral interfaces when the required functions are stable and can be represented by the ATF16V8B macrocell architecture. Its eight macrocells, eight I/Os, and 5 V operation are suitable for compact command decoding, reset combination, mode selection, and bus arbitration assistance. The 250-gate equivalent capacity allows several related Boolean functions to share one programmable device, potentially simplifying a small control board. Because this is an electrically erasable rather than a RAM-based FPGA, configuration remains fixed after programming, so it is most appropriate where field reconfiguration is unnecessary. Validate legacy PAL or GAL logic equations against the documented fusemap and confirm that output feedback, dedicated inputs, and tri-state behavior are used according to the package datasheet.
Gal16v8 Migration
The ATF16V8B-10SC is a strong migration candidate for GAL16V8-era logic because Microchip documents the ATF16V8B family as pin-to-pin and JEDEC fusemap compatible with GAL16V8 devices. The 250-gate, eight-macrocell device retains the familiar 16V8 implementation model while providing a 20-SOIC surface-mount package and a documented 10 ns ordering grade. This makes it useful when maintaining an existing GAL16V8 design, converting a prototype to surface-mount assembly, or consolidating logic that previously used several PAL-compatible devices. Migration is not automatic: compare AC timing, DC output characteristics, power behavior, temperature rating, and programmer support for the exact GAL16V8 source and ATF16V8B destination. Preserve or recompile the fuse map using a validated tool and perform boundary tests on every product term and output mode.
Instrument Signal Conditioning
The ATF16V8B-10SC can implement deterministic signal-conditioning and event-combination logic in compact test or measurement equipment. Its eight macrocells are suitable for combining sensor or control signals, implementing threshold-style Boolean decisions, generating enables, and applying small state machines within the device's verified logic capacity. The 10 ns grade helps preserve timing margin in short control paths, while the standard 5 V supply integrates readily with conventional logic-level systems. The PLD should not be treated as an analog signal-conditioning amplifier: analog gain, filtering, level shifting, and isolation must be implemented separately. Verify output-drive requirements, input thresholds, fanout, and timing in the actual board. Also determine whether a small CPLD or FPGA would provide better future flexibility if the logic is likely to change after certification.
Fixed Logic Consolidation
The ATF16V8B-10SC is useful when a board contains several simple, permanently configured gates that can be consolidated into one 250-gate PLD. Up to 16 inputs and eight I/Os permit implementation of multiple Boolean equations in a single 20-SOIC footprint, reducing package count, assembly cost, and PCB routing complexity. The architecture is particularly suitable for registered control, combinational decoding, and logic functions that fit eight outputs allocated with product terms. Consolidation still requires careful resource mapping because each output's available product terms and feedback options depend on its configured mode. Review the manufacturer architecture and fuse-map tables, then simulate every equation under real input timing assumptions. Use boundary-pattern testing after programming, especially for terms that are rarely exercised, and verify that the selected 10 ns grade provides adequate timing at the actual supply voltage and temperature.
Données de référence d'ingénierie pour ATF16V8B-10SC — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATF16V8B-10SU | ATF16V8BQL-10SC | ATF16V8BQ-10SC | ATF16V8C-10SC | ATF16LV8C-10SC |
|---|---|---|---|---|---|---|
| Package | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Family | ATF16V8B | ATF16V8B | ATF16V8B(QL) | ATF16V8B(Q) | ATF16V8C | ATF16LV8C |
| Speed Grade | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns |
Principaux différenciateurs
- Directly documented GAL16V8 migration family (vs Generic GAL16V8 devices)
- Compact 250-gate consolidation in one package (vs Discrete 74-series gate implementation)
- 10 ns speed grade for legacy PLD designs (vs Slower 15 ns PAL-compatible variants)
Notes de conception
Do not approve a GAL16V8 or PAL migration from the package name alone. The verified ATF16V8B family documentation states that the B and C families are pin-to-pin and JEDEC fusemap compatible with GAL16V8, but it also notes that minor AC and DC differences can exist. Compare the exact source and destination ordering codes, verify every output mode, product term, feedback connection, and dedicated input, and compile or convert the fuse map with a validated tool. Test boundary patterns for rarely exercised terms after programming.
Route the 20-SOIC footprint strictly from the manufacturer package drawing, including lead pitch, lead span, courtyard, and solder-mask details. The verified data identifies a 0.295 inch, 7.50 mm-wide 20-SOIC package but does not provide the individual pin table. Keep the programming-device access and any configuration pins required by the selected architecture unobstructed, and avoid placing tall components where they interfere with programming or inspection. Confirm the land pattern against the latest Microchip package drawing before fabrication.
The ATF16V8B-10SC is a standard-power 5 V EEPLD, so the power rail must meet the manufacturer's AC and DC limits across temperature and supply tolerance. Decouple the supply close to the device with the capacitance and layout specified by the datasheet, and provide a return path that minimizes loop area. Do not infer allowable supply ripple solely from the nominal 5 V label. If several PLDs share a rail, check cumulative current, startup demand, local regulation, and the effect of adjacent switching circuitry on input noise margins.
Informations de conformité
The verified manufacturer page identifies a green package, but the supplied records do not expressly document RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred.
