ATF16LV8C-15SC - 15 ns 16V8 EE PLD | Microchip Technology
N.º de pieza: ATF16LV8C-15SC ✗ Fin de vidaATF16LV8C-15SC Descripción general
A simple programmable logic device, or SPLD, is a user-programmable semiconductor that combines programmable logic functions and configuration memory in one package. Within the broader hierarchy, the ATF16LV8C-15SC is an EE PLD, a 16V8 architecture, and a member of the ATF16LV8C family. This classification combines the density and flexibility of programmable logic with the reusable, electrically erasable configuration mechanism of Flash memory. Its eight outputs are each allocated eight product terms, supporting a useful range of control, decoding, interface, and glue-logic functions.
The 15 ns speed designation identifies the device's maximum pin-to-pin delay for this ordering variant. Its eight macrocells can be configured in multiple operating modes by the associated programming software, allowing a single device architecture to realize different combinational, registered, or mixed logic arrangements. Pin-controlled power-down adds another system-level benefit by allowing an unused section of the design to enter a low-power state rather than remaining active continuously.
The ATF16LV8C-15SC is based on high-performance EECMOS technology with electrically erasable Flash configuration memory. Flash-based configuration permits the programmed logic to be changed without removing the device from the circuit, which is useful during prototype debugging, production configuration, or field updates. The manufacturer describes the device as a superset of generic 16R8 architectures and as capable of directly replacing the 16R8 family and many 20-pin combinatorial PLDs. The 20-SOIC package supports conventional surface-mount assembly and compatibility with established 20-pin logic-board footprints.
Typical uses include industrial control logic, legacy peripheral interfacing, data and address decoding, sequencing and interlocking functions, and compact system-support logic around processors. Eight outputs with eight product terms each make the device suitable for controlling multiple related signals where a small gate array would otherwise be required. In upgrade and repair situations, it can also reproduce logic designed for older 20-pin PAL-compatible devices when its architecture, supply voltage, and timing requirements are satisfied.
The primary design consideration is timing closure. Every external signal path must meet the 15 ns propagation requirement after adding input, output, interconnect, and setup uncertainty. Designers should also verify the programmed macrocell mode, output polarity, supply voltage, and unused-pin treatment in the manufacturer datasheet. The ATF16LV8C-15SC is listed as obsolete in the cross-reference records, so long-term availability and legacy-system maintenance require careful sourcing.
This product record combines package, speed, voltage, macrocell, and power-management characteristics with practical implementation guidance. It also distinguishes exact-ordering alternatives from other 16V8 devices, helping engineers evaluate replacement candidates without confusing speed-grade, temperature-grade, package, or lifecycle differences.
Alternativas directas para ATF16LV8C-15SC — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con ATF16LV8C-15SC (mismo factor de forma y huella) — difiere en Configuration Technology, Device Type, Package, Family Maximum Pin-to-Pin Delay, Product Terms per Output.
ATF16LV8C-10SC
✅ Sustitución directaConsulte el precio
Ver hoja de datos →ATF16LV8C-10SI
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ATF16LV8C-10XC
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ATF16LV8C-15XI
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PALLV16V8-10SC
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ATF16V8B-15SU
✅ Sustitución directaConsulte el precio
Ver hoja de datos →ATF16LV8C-15SC Valores máximos y características eléctricas
| Device Type | 16V8 electrically erasable programmable logic device |
| Programmable Logic Type | EE PLD |
| Configuration Technology | EECMOS with electrically erasable Flash memory |
| Number of Macrocells | 8 macrocells |
| Número de salidas | 8 outputs |
| Product Terms per Output | 8 product terms per output |
| Maximum Pin-to-Pin Delay | 15 ns |
| Family Maximum Pin-to-Pin Delay | 10 ns |
| Rango de tensión de entrada | 3 V to 5.5 V |
| Power-Down Current | 5 uA maximum |
| Standby Current | 100 nA typical |
| Logic Compatibility | CMOS- and TTL-compatible inputs and outputs |
| Power-Down Control | Pin-controlled |
| Encapsulado | 20-SOIC, 0.295 in / 7.50 mm width |
| Tipo de montaje | Surface mount |
Guía de configuración de pines de ATF16LV8C-15SC 20-soic, 0.295 in / 7.50 mm width
Configuración de pines para ATF16LV8C-15SC (encapsulado 20-soic, 0.295 in / 7.50 mm width). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para ATF16LV8C-15SC.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
ATF16LV8C-15SC es adecuado para 6 aplicacións: Industrial Control Logic, Legacy Peripheral Interfacing, Data and Address Decoding, Control Sequencing and Interlocking, Legacy System Maintenance, Programmable Control Front End.
Industrial Control Logic
The ATF16LV8C-15SC is appropriate for compact industrial control logic that must combine several Boolean decisions into a limited number of outputs. Its eight macrocells and eight product terms per output provide enough capacity for interlocks, sequencing, and discrete command generation without implementing each gate separately. The 15 ns pin-to-pin delay supports moderate-speed control paths, while the 3 V to 5.5 V operating range accommodates legacy 5 V logic systems. Flash-based configuration simplifies design revisions, and the pin-controlled power-down function can reduce activity when a subsystem is idle.
Recomendado
Legacy Peripheral Interfacing
The ATF16LV8C-15SC can implement glue logic between a legacy processor and discrete peripherals when several control, acknowledge, and interrupt signals must be coordinated. Eight programmable outputs allow the design to consolidate address decoding, chip-select generation, and command sequencing in a 20-SOIC footprint. CMOS- and TTL-compatible interfaces support integration with established 5 V systems, while the 15 ns delay provides deterministic response for ordinary peripheral-control paths. Electrically erasable configuration also allows logic changes during maintenance without replacing the device.
Recomendado
Data and Address Decoding
For data- and address-decoding functions, the ATF16LV8C-15SC provides eight outputs and configurable logic modes within a compact package. It can be used to generate enables, selects, or qualification signals where the required Boolean expressions fit the architecture's eight macrocells and eight product terms per output. The 15 ns speed grade suits moderate-speed decoding rather than high-frequency memory interfaces, so external bus timing must remain within the specified delay. Its TTL-compatible inputs simplify connection to older control logic.
Recomendado
Control Sequencing and Interlocking
The ATF16LV8C-15SC fits compact sequencing and interlocking circuits requiring multiple coordinated outputs. Each output receives eight product terms, allowing registered or combinational conditions to be combined into start, stop, reset, enable, or status functions. The device's three configurable operating modes support different logic structures without changing the external package. For safety-related or timing-critical systems, engineers should verify the ordering temperature range and complete worst-case timing because the 15 ns speed grade is intended for moderate propagation requirements.
Recomendado
Legacy System Maintenance
The ATF16LV8C-15SC is useful for maintaining equipment built around 20-pin PAL-compatible logic. Its 16V8 architecture is described as a superset of generic 16R8 devices and as suitable for replacing many 20-pin combinatorial PLDs, which makes it a practical option for obsolete control boards. The exact 15 ns ordering code should be preferred when behavior and qualification must remain unchanged. Before substitution, confirm the fuse or programming file, pin mapping, supply voltage, and timing against the original system documentation.
Recomendado
Programmable Control Front End
The ATF16LV8C-15SC can serve as a programmable front end for control panels, sensor-conditioner logic, and small instrument subsystems. Eight macrocells are sufficient for signal qualification, mode selection, and actuator-command generation when the logic does not require a larger gate array. Its electrically erasable Flash configuration allows firmware-independent logic changes during commissioning, while pin-controlled power-down can disable the device when it is not needed. The 3 V to 5.5 V range supports both modern and legacy mixed-signal equipment.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ATF16LV8C-15SC — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ATF16LV8C-10SC | ATF16LV8C-10SI | ATF16LV8C-10XC | ATF16LV8C-15XI | PALLV16V8-10SC | ATF16V8B-15SU |
|---|---|---|---|---|---|---|---|
| Package | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | AMD | Microchip Technology |
| Series | 16V8 | 16V8 | 16V8 | 16V8 | 16V8 | 16V8 | 16V8 |
| Programmable Type | EE PLD | EE PLD | EE PLD | EE PLD | EE PLD | EE PLD | EE PLD |
| Number of Macrocells | 8 macrocells | 8 macrocells | 8 macrocells | 8 macrocells | 8 macrocells | 8 macrocells | 8 macrocells |
| Speed | 15 ns | 10 ns | 10 ns | 10 ns | 15 ns | 10 ns | 15 ns |
Diferenciadores clave
- Exact 15 ns speed grade (frente a ATF16LV8C-10SC)
- Matching industrial-grade family alternative (frente a ATF16LV8C-15XI)
- Directly related 20-pin legacy architecture (frente a ATF16V8B-15SU)
Notas de diseño
Do not treat a faster or differently suffixed ATF16LV8C device as automatically interchangeable. Confirm the programmed architecture, macrocell configuration, output polarity, package pins, and system timing before replacing the ATF16LV8C-15SC. The 10 ns candidates have 33.3% lower propagation delay than the 15 ns target, while suffix changes may alter temperature grade or ordering configuration. Re-run the programming and timing checks as part of any qualification.
Follow the 20-pin SOIC footprint and land pattern defined by the manufacturer package drawing. Keep the device orientation consistent with the pin-one mark and route every unused input to a defined level rather than allowing it to float. Because the ATF16LV8C-15SC is a legacy device, inspect the PCB for corrosion, socket damage, and contaminated contacts before assuming a logic failure is a programming fault.
Design the power rail for the device's 3 V to 5.5 V operating range and decouple it close to the supply pins. Use the pin-controlled power-down input when the surrounding equipment has defined inactive intervals; the manufacturer specifies a maximum power-down current of 5 uA and a typical standby current of 100 nA. Validate the pin's logic state in every operating state so the device cannot enter an unintended power-down condition.
Analyze the complete path with a 15 ns maximum pin-to-pin delay rather than relying only on the advertised family speed of 10 ns. Include external logic delay, interconnect effects, setup time, and output timing in the budget. For longer traces or noisy industrial environments, use appropriate input buffering, maintain a continuous return path, and keep switching nodes away from sensitive macrocell inputs.
Información de cumplimiento
No explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status was identified for the exact ordering code. The device is a legacy logic IC rather than an automotive-qualified product.
