ATF16LV8C-15PC - 8-Macrocell EE PLD, 15 ns | Microchip
MPN： ATF16LV8C-15PC ✗ 停產ATF16LV8C-15PC 概覽
An EE PLD, also called an electrically erasable programmable logic device, is a semiconductor whose AND-Array and OR-Array logic structure is configured through electrical programming. The ATF16LV8C family is commonly described as a 16V8 device with 8 macrocells. It consolidates functions that otherwise require several 20-pin PAL devices, making it useful for compact glue-logic and industrial-control designs.
Key characteristics include a maximum pin-to-pin delay of 15 ns for this speed grade, CMOS- and TTL-compatible inputs and outputs, and operation from a 3 V to 5.5 V supply. The family supports speeds down to 10 ns, while the ATF16LV8C-15PC corresponds to the 15 ns grade. A pin-controlled power-down mode is available, with maximum standby current listed as 5 µA and typical standby current of approximately 100 nA.
The ATF16LV8C architecture provides 8 macrocells and dedicated input and output structures for implementing Boolean equations, registered transfer functions, address decoding, and control interlocks. Because it is a PLD rather than a general-purpose microcontroller, the design flow centers on a compiler, assembler, or schematic capture tool that generates the device configuration file. Legacy Atmel and Microchip tools are therefore an important compatibility consideration.
Typical applications include industrial control boards, legacy peripheral interfaces, data routers, pulse and state detectors, memory address decoders, and compact control logic in equipment that retains 20-pin PLD footprints. The 3 V operation also suits mixed 3.3 V and 5 V system designs, although input thresholds, output levels, and unused inputs must be checked against the system rails before substitution.
For new designs, confirm that the programmed logic file can be regenerated and that the required development software remains available. For repair or redesign work, validate the power-down pin state, output drive requirements, timing budget, and input-level compatibility before treating any 16V8-family device as a drop-in replacement.
This page consolidates package details, programming constraints, drop-in alternatives, and application guidance to support legacy PLD maintenance, cross-reference work, and hardware refresh planning.
直接替換替代品，適用於 ATF16LV8C-15PC — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ATF16LV8C-15PC （相同外形與佔位） — 差異在於 Package, Power-Down Current, Device Type, Operating Modes, Number of Macrocells.
ATF16LV8C-15JC
✅ 直接替換聯絡詢價
查看資料表 →ATF16LV8C-15PI
✅ 直接替換聯絡詢價
查看資料表 →ATF16LV8C-15JL
✅ 直接替換📋 參考替代品（不在目錄中）
ATF16LV8C-10XC
✅ 直接替換📋 參考替代品（不在目錄中）
ATF16LV8C-10SC
✅ 直接替換聯絡詢價
查看資料表 →ATF16LV8C-15PC 最大額定值與電氣特性
| Device Type | High-performance electrically erasable programmable logic device (EE PLD) |
| Programmable Logic Type | EE PLD |
| Series | 16V8 |
| Number of Macrocells | 8 macrocells |
| Speed Grade | 15 ns |
| Maximum Pin-to-Pin Delay | 15 ns |
| Supply Voltage Range | 3 V to 5.5 V |
| Input Compatibility | CMOS and TTL compatible |
| Output Compatibility | CMOS and TTL compatible |
| Configuration Memory | Electrically erasable flash memory |
| Power-Down Control | Pin-controlled power-down mode option |
| Power-Down Current | 5 µA maximum |
| Standby Current | 100 nA typical |
| 封裝 | 20-pin PDIP |
| 安裝類型 | Through-hole |
| Packaging | Tube |
| 生命週期狀態 | Obsolete |
ATF16LV8C-15PC 20-pin pdip 腳位配置指南
ATF16LV8C-15PC（20-pin pdip 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： ATF16LV8C-15PC.
請參閱 資料表 以查看完整腳位配置。
典型應用
ATF16LV8C-15PC 適用於 6 應用s: Industrial Control Glue Logic, Address Decoding and Memory Select, Legacy Peripheral Interface Control, State Detection and Pulse Conditioning, Data Routing and Signal Multiplexing, Obsolete Equipment Maintenance and Redesign.
Industrial Control Glue Logic
The ATF16LV8C-15PC suits legacy industrial control boards that require compact combinational and registered logic around sensors, relays, and actuators. Its 8 macrocells can consolidate decoding and interlock functions that would otherwise occupy several 20-pin PAL devices, while the 15 ns speed grade provides deterministic logic delay. The 3 V to 5.5 V operating range supports 5 V control systems and 3.3 V mixed-signal equipment. Because the device is obsolete, preserve the programmed configuration file and verify that the legacy compiler remains available when qualifying a maintenance replacement.
推薦
Address Decoding and Memory Select
The ATF16LV8C-15PC can generate chip-select or address-decode signals in legacy expansion systems where deterministic combinational logic is needed. Eight macrocells are sufficient for several decoded address windows, qualified output enables, and control interlocks without introducing a microcontroller. The 15 ns maximum pin-to-pin delay should be checked against address-to-select requirements, while the CMOS- and TTL-compatible inputs and outputs simplify interfacing with older bus logic operating within the 3 V to 5.5 V supply range.
推薦
Legacy Peripheral Interface Control
Use the ATF16LV8C-15PC for command decoding, status-byte assembly, and data-routing functions around legacy peripherals. Its electrically erasable flash configuration allows engineering revisions without relying on one-time-programmable fuse devices. The 8-macrocell 16V8 structure is particularly effective when several conditional paths and registered outputs can be implemented within one 20-pin PDIP. Engineers should verify output-drive expectations, unused-pin states, and propagation delay against the peripheral timing, especially where a 10 ns family grade would provide additional margin.
推薦
State Detection and Pulse Conditioning
The ATF16LV8C-15PC is useful for sequence detection, edge qualification, pulse stretching, and interlock logic in electromechanical systems. Registered macrocell outputs can hold state while combinational terms implement transition conditions, reducing the component count of discrete flip-flop and gate networks. The 15 ns speed grade is appropriate for moderate control-loop timing, but motor-noise immunity and grounding require careful board design. The pin-controlled power-down function can also reduce consumption to a 5 µA maximum when a section of the equipment is inactive.
推薦
Data Routing and Signal Multiplexing
Eight macrocells make the ATF16LV8C-15PC practical for routing and multiplexing signals among older bus structures, status registers, and discrete controllers. The 3 V to 5.5 V supply range accommodates 3.3 V and 5 V logic within the same device family, while CMOS- and TTL-compatible interfaces ease connection to mixed generations of logic. Designers should use the macrocell equations and registered-output options in the programming tools to match propagation delays to the receiving device. Any substitute should preserve the 20-pin footprint and the required output timing behavior.
推薦
Obsolete Equipment Maintenance and Redesign
The ATF16LV8C-15PC supports targeted repair and redesign of legacy equipment that uses a 20-pin 16V8 logic footprint. Because the configuration is stored in electrically erasable flash memory, a replacement can be programmed with the original logic file if the appropriate compiler or assembler is available. The main maintenance risks are not the 8-macrocell function but software availability, suffix-code matching, and undocumented board-level timing assumptions. Document the programmed equations, verify all supply rails, and test the complete state machine before returning the equipment to service.
推薦
推薦產品摘要
工程參考資料，適用於 ATF16LV8C-15PC — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | ATF16LV8C-15JC | ATF16LV8C-15PI | ATF16LV8C-15JL | ATF16LV8C-10XC | ATF16LV8C-10SC |
|---|---|---|---|---|---|---|
| Package | 20-pin PDIP | 20-pin PDIP; suffix-specific dimensions must be checked | 20-pin PDIP; suffix-specific dimensions must be checked | 20-pin PDIP; suffix-specific dimensions must be checked | 20-pin PDIP; suffix-specific dimensions must be checked | 20-pin PDIP; suffix-specific dimensions must be checked |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Programmable Logic Type | EE PLD | EE PLD | EE PLD | EE PLD | EE PLD | EE PLD |
| Series | 16V8 | 16V8 | 16V8 | 16V8 | 16V8 | 16V8 |
| Number of Macrocells | 8 | 8 | 8 | 8 | 8 | 8 |
| Maximum Pin-to-Pin Delay | 15 ns | 15 ns class | 15 ns class | 15 ns class | 10 ns | 10 ns |
| Input Voltage Range | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V |
| Configuration Technology | Electrically erasable flash memory | Electrically erasable flash memory | Electrically erasable flash memory | Electrically erasable flash memory | Electrically erasable flash memory | Electrically erasable flash memory |
| Power-Down Control | Pin-controlled power-down mode option | Pin-controlled power-down mode option | Pin-controlled power-down mode option | Pin-controlled power-down mode option | Pin-controlled power-down mode option | Pin-controlled power-down mode option |
主要差異化特點
- Matches the established 16V8 programming architecture with 8 macrocells (對比ATF16LV8C-15JC)
- Uses a 15 ns speed grade matched to moderate legacy control timing (對比ATF16LV8C-10XC)
- Electrically erasable flash configuration supports engineering revisions (對比ATF16V8C-15PC)
- Pin-controlled power-down reduces standby demand (對比ATF16LV8C-15PI)
設計說明
Treat the ordering suffix as part of the electrical and mechanical identity. The ATF16LV8C-15PC, ATF16LV8C-15JC, ATF16LV8C-15PI, and ATF16LV8C-15JL are all 16V8-family devices, but their suffixes can identify different package or temperature ordering options. Before substitution, compare the manufacturer ordering table, package drawing, pin description, and operating-temperature specification against the original part marking. A shared 20-pin lead count alone is not sufficient proof of drop-in compatibility.
The ATF16LV8C-15PC can use its pin-controlled power-down function to reduce supply current to a maximum of 5 µA, with approximately 100 nA typical standby current listed for the family. Follow the datasheet guidance for the power-down pin and unused inputs, and do not allow floating control or input pins to increase current unpredictably. Validate the rail sequence in systems that repeatedly enter and leave standby, especially where the surrounding logic remains powered.
Preserve the original 20-pin PDIP footprint and route high-speed or switching nodes away from sensitive control inputs. Decouple the supply close to the device according to the manufacturer schematic, and check that the 3 V to 5.5 V operating range accommodates every connected device. For obsolete boards, inspect the socket and PCB for corrosion before inserting a replacement; a mechanically sound socket helps prevent intermittent failures that can be mistaken for logic-device defects.
The 15 ns speed grade provides less timing margin than the 10 ns ATF16LV8C options. Analyze address-decode, output-enable, and registered-output paths against the slowest receiving device, including setup and hold requirements. If the original system margin is unknown, use a 10 ns family alternative where the package suffix and electrical specification match. Do not use timing improvement as a substitute for confirming output-level and input-threshold compatibility.
合規資訊
The ATF16LV8C is a legacy programmable logic device rather than an automotive-qualified product. Specific RoHS, REACH, lead-free, halogen-free, and conflict-minerals declarations were not identified in the available manufacturer or distributor records.
