ATF16V8B-10JI - 250-Gate 10 ns Flash PLD | Microchip
Référence : ATF16V8B-10JI ✓ ActifATF16V8B-10JI Présentation
An EEPLD is a programmable logic device that uses nonvolatile electrically erasable Flash memory to retain a configured logic function. Within the broader semiconductor hierarchy, the ATF16V8B belongs to the PLD and CPLD family, combining a PAL-compatible 16V8 architecture with eight output macrocells. It is intended for compact control, decoding, interface, and glue-logic designs where a small logic footprint and nonvolatile configuration are valuable.
Key features include support for up to 16 inputs, eight configurable I/O outputs, and eight product terms allocated to each output. Three operating modes are selected automatically by the configuration software, allowing the device to implement registered, complex, or combinatorial logic without manual mode-control wiring. The electrically erasable architecture permits reprogramming while the individual architecture includes standard power-saving options for systems that do not require continuous maximum performance.
The ATF16V8B architecture provides a superset of generic 16V8 and common 20-pin combinatorial PLD arrangements. Each of its eight outputs can be assigned eight product terms, supporting compact equations that combine multiple input conditions in one programmable block. The 10 ns speed grade is suitable for moderate-speed control logic, while the underlying family is also described as offering a maximum pin-to-pin delay of 7.5 ns under specified test conditions.
Typical uses include legacy peripheral decoding, industrial control sequencing, status and interrupt logic, programmable address selection, and glue logic around microcontrollers or processors. Because the ATF16V8B is a 5 V device, it should be evaluated carefully in modern mixed-voltage systems where 3.3 V or 1.8 V interfacing may require level translation. Its J-lead PLCC package also occupies more board area than a comparable fine-pitch surface-mount PLD.
When laying out a replacement design, preserve the exact pin assignments and programming architecture of the installed ATF16V8B-10JI. Confirm power sequencing, output drive requirements, unused-pin treatment, and the commercial programming algorithm supported by the selected device programmer. The industrial-temperature suffix must also remain consistent with the original bill of materials and qualification requirements.
This product record combines verified manufacturer and distributor information with application guidance, package details, and drop-in substitution criteria that are not consolidated in a single manufacturer datasheet. It emphasizes verified constraints such as the 5 V supply, 10 ns speed grade, 8-macrocell architecture, and 20-lead PLCC footprint so engineers can compare replacements without confusing functionally similar devices with pin-compatible alternatives.
Alternatives de remplacement direct pour ATF16V8B-10JI — 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-10JI (même facteur de forme et même empreinte) — différant par Package, Device Type, I/O Count, Propagation Delay, Architecture.
ATF16V8B-10JC
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →ATF16V8B-15JI
✅ Remplacement direct ⚠️ Spécifications non vérifiéesContactez-nous pour le prix
Voir la fiche technique →ATF16V8B-15JC
✅ Remplacement direct ⚠️ Spécifications non vérifiéesContactez-nous pour le prix
Voir la fiche technique →ATF16V8C-10JI
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
ATF16LV8C-10JI
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ATF16V8B-10JI Valeurs maximales et caractéristiques électriques
| Device Type | 16V8 electrically erasable programmable logic device |
| Logic Gate Count | 250 gates |
| Macrocells | 8 macrocells |
| Maximum Inputs | 16 inputs |
| I/O Count | 8 I/Os |
| Tension d'alimentation | 5 V |
| Propagation Delay | 10 ns |
| Maximum Pin-to-Pin Delay | 7.5 ns |
| Output Product Terms | 8 product terms per output |
| Programmable Technology | Electrically erasable Flash memory |
| Operating Modes | 3 software-configured modes |
| Boîtier | 20-lead PLCC (QCCJ), 9 x 9 mm |
| Terminal Form | J-lead |
| Type de montage | Surface mount |
| Temperature Grade | Industrial |
| Standby Supply Current | 5 mA |
Guide de configuration des broches du ATF16V8B-10JI 20-lead plcc (qccj), 9 x 9 mm
Configuration des broches du ATF16V8B-10JI (boîtier 20-lead plcc (qccj), 9 x 9 mm). 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-10JI.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
ATF16V8B-10JI convient pour 6 applications: Industrial Control Sequencing, Peripheral Interface Decoding, Programmable Status and Interrupt Logic, Legacy Processor Glue Logic, Industrial Test and Measurement Control, Security and Access-Control Logic.
Industrial Control Sequencing
The ATF16V8B-10JI fits industrial control logic that combines machine-state decoding with a limited number of discrete output actions. Its eight macrocells can distribute combinational or registered equations across eight outputs, while the 16-input capacity allows each output to combine up to eight product terms. The 10 ns propagation-delay grade provides timing margin for moderate-speed control paths. In a controller, the device can decode limit switches, safety interlocks, and operating-mode signals before driving discrete command lines. The industrial temperature suffix makes it preferable to a commercial-grade substitute when the verified ordering information matches the system requirement. Because it operates from 5 V, the design must also account for level translation if modern sensors or processors use lower logic voltages.
Recommandé
Peripheral Interface Decoding
The ATF16V8B-10JI is suitable for decoding legacy processor and peripheral interfaces where several chip-select or address-qualified control signals must be consolidated. Sixteen inputs provide enough logic inputs for address lines, enables, and status flags, while the eight I/O outputs can form registered or combinational control functions. Its 250-gate equivalent and eight-macrocell structure provide more logic density than a small collection of individual gates. In such systems, the programmable connection simplifies revision changes because address decoding can be updated without changing the PCB. The 10 ns speed grade is appropriate for many legacy bus-control paths, although designers should compare it against the peripheral hold and setup requirements rather than assume universal compatibility.
Recommandé
Programmable Status and Interrupt Logic
The ATF16V8B-10JI can consolidate scattered status flags into registered interrupt or acknowledgment outputs in industrial and embedded systems. Each of its eight macrocells supports eight product terms, allowing conditions to be combined before entering an output equation. This is useful when the system must prioritize several status sources, generate active-low or active-high acknowledgments, or mask an interrupt according to operating mode. The 10 ns propagation delay is useful for short combinational qualification paths, while registered operation adds another timing interval that must be included in the design budget. The nonvolatile Flash configuration preserves the logic after power removal, making field-updated behavior practical without repeatedly loading a generic fuse map.
Recommandé
Legacy Processor Glue Logic
The ATF16V8B-10JI provides a compact way to implement glue logic around older microprocessors, memory devices, and peripheral controllers. Sixteen inputs and eight outputs are sufficient for interface qualification, cycle sequencing, bus arbitration, and command-to-enable conversion without adding a larger FPGA. Its three software-selected operating modes support different registered, complex, and combinatorial requirements, allowing one device type to serve several legacy architectures. The 5 V supply matches many established processor systems but requires careful interfacing with 3.3 V peripherals. For a new design, the larger 9 x 9 mm PLCC footprint should be compared against modern CPLDs, yet the ATF16V8B remains attractive when software reuse and a GAL16V8-compatible architecture materially reduce engineering effort.
Recommandé
Industrial Test and Measurement Control
The ATF16V8B-10JI is applicable in legacy test and measurement equipment that requires deterministic control sequencing, relay-command qualification, and panel-status decoding. The eight macrocells can implement standalone equations without depending on a processor to service every timing-critical output. A 10 ns propagation-delay grade helps when control signals must be qualified within a short clock interval, although external timing analysis remains necessary for registered outputs and cascaded devices. The industrial-grade ordering suffix is useful for equipment expected to operate beyond commercial-temperature conditions. Since the logic operates at 5 V, front-panel and acquisition-interface signals may require level conversion, while the nonvolatile Flash configuration simplifies maintaining the original equipment behavior during restoration or repair.
Recommandé
Security and Access-Control Logic
The ATF16V8B-10JI can implement compact credential-validation, alarm-mask, and access-state logic in legacy access-control equipment. Sixteen inputs allow key-state, sensor, and enable conditions to be combined, while eight outputs can control indicators, locks, request lines, or alarm stages. Because the configuration is stored in electrically erasable Flash memory, the logic remains present after power loss and can be updated for operational changes. The device's 10 ns grade is appropriate for many local decision paths but does not replace cryptographic processing and should not be treated as a security primitive. Physical security, program lock behavior, programmer access, and diagnostic interfaces must be evaluated separately. The industrial grade also makes the part appropriate for access equipment operating in uncontrolled-temperature environments.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATF16V8B-10JI — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATF16V8B-10JC | ATF16V8B-15JI | ATF16V8B-15JC | ATF16V8C-10JI | ATF16LV8C-10JI |
|---|---|---|---|---|---|---|
| Package | 20-lead PLCC (QCCJ), 9 x 9 mm | 20-lead PLCC (QCCJ) | 20-lead PLCC (QCCJ) | 20-lead PLCC (QCCJ) | 20-lead PLCC (QCCJ) | 20-lead PLCC (QCCJ) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Device Type | 16V8 electrically erasable PLD | 16V8 electrically erasable PLD | 16V8 electrically erasable PLD | 16V8 electrically erasable PLD | 16V8 electrically erasable PLD | 16V8 electrically erasable PLD |
| Propagation Delay | 10 ns | 10 ns | 15 ns | 15 ns | 10 ns | 10 ns |
| Temperature Grade | Industrial | Commercial | Industrial | Commercial | Industrial | Industrial |
| Macrocells | 8 | 8 | 8 | 8 | 8 | 8 |
| Input Count | Up to 16 inputs | Up to 16 inputs | Up to 16 inputs | Up to 16 inputs | Up to 16 inputs | Up to 16 inputs |
Principaux différenciateurs
- Maintains the industrial-grade ordering position (vs ATF16V8B-10JC)
- Provides 50% lower nominal propagation delay than the 15 ns family alternatives (vs ATF16V8B-15JI)
- Uses the established ATF16V8B Flash PLD architecture (vs ATF16V8C-10JI)
Notes de conception
Do not substitute the part based only on the 16V8 designation. Confirm the physical PLCC footprint, J-lead arrangement, temperature suffix, speed grade, supply voltage, registered-versus-combinatorial operating mode, and fuse map. Microchip notes that ATF16V8B and ATF16V8C devices are pin-to-pin and JEDEC fusemap-compatible with GAL16V8, but their AC and DC characteristics contain minor differences. The programming file and programmer algorithm must therefore be revalidated before production release.
Design the 5 V rail with the ATF16V8B's active and standby supply-current requirements taken from the complete family datasheet. The verified family information reports 5 mA standby current for the cited ATF16V8BQ entry, but the exact ATF16V8B-10JI operating-current limits should be checked before assigning the value to this suffix. Include adequate local bypass capacitance and ensure that 5 V excursions, power sequencing, and 3.3 V interface levels do not violate the device input limits.
Preserve the J-lead PLCC land pattern and pin-1 orientation of the original ATF16V8B-10JI. The verified package is a 9 x 9 mm, 20-lead QCCJ package, but the supplied library does not contain a PLCC drawing, so engineers should use the manufacturer package drawing rather than a generic diagram. Keep programming-test access and power routing practical for repair, avoid placing tall heat-sink or connector hardware over the device, and verify solder-joint clearance where the PLCC is serviced repeatedly.
Use the registered, complex, or combinatorial timing tables from the exact replacement datasheet to establish setup, hold, propagation, and clock requirements. The 10 ns grade applies to the ATF16V8B-10JI ordering code, while the family also documents a 7.5 ns maximum pin-to-pin delay under specified conditions. Do not assume that every mode has identical timing, and include output-slew, input-threshold, and fan-out effects when the PLD drives external control or panel signals.
Informations de conformité
The verified manufacturer product page identifies a green package, but the supplied data does not explicitly provide RoHS, REACH, lead-free, halogen-free, or conflict-minerals declarations. AEC-Q100 is not applicable because this is a programmable logic device rather than an automotive-qualified integrated circuit.
