ATF16V8C-7XU - 7ns 8-Macrocell EECMOS PLD | Microchip
MPN: ATF16V8C-7XU ✗ Cuối đờiATF16V8C-7XU Tóm tắt
A programmable logic device, or PLD, is a semiconductor whose internal logic connections are stored in nonvolatile memory. A PLD sits between fixed-function logic ICs and programmable processors in the broader digital-design hierarchy. EECMOS PLDs retain their programmed configuration when power is removed and can be reprogrammed without a dedicated programmer. The ATF16V8C therefore combines the deterministic propagation delays of conventional PAL-type logic with the flexibility of software-configurable hardware.
The ATF16V8C family provides a 5 V input supply, 8 macrocells, and eight product terms per output. According to the manufacturer datasheet, the architecture forms a superset of generic 16R8 devices and most 20-pin combinatorial PLD arrangements. The ATF16V8C-7XU speed grade is specified at 7.5 ns in distributor records, while the broader family supports options down to 5 ns. A pin-controlled power-down option can reduce consumption to approximately 100 uA when the device is not actively required.
Three operating configurations allow the same device to implement registered sequential functions, complex combinational functions, or simple combinatorial equations. Each of the eight outputs receives eight dedicated product terms, while the sum-of-products structure supports programmable AND, OR, and inversion relationships. This makes the ATF16V8C useful when several small gates, counters, decoders, selectors, or state-machine transitions must be consolidated into one package.
Typical applications include industrial control and instrumentation, legacy peripheral-interface decoding, address and command translation, data-routing logic, and small embedded control systems. The 20-pin TSSOP package supports compact surface-mount PCB layouts, while tube packaging supports automated or manual component handling. Compared with a discrete gate array, the programmable device reduces package count and provides predictable interconnect delays. Compared with an FPGA or microcontroller, it requires less general-purpose computation and typically offers simpler, lower-power logic implementation.
Designers should verify the fuse map, pin assignments, and JEDEC compatibility before substituting this device into an existing board. The ATF16V8C supports common 16V8 and GAL16V8-style architectures, but device-specific power-down, AC, and DC characteristics must be checked against the original design. Use the manufacturer programming specification and the pin-description table to assign every package lead correctly.
This page combines the ATF16V8C-7XU electrical identity, package details, application guidance, pinout location, and same-footprint replacement analysis in a format designed to help engineers evaluate legacy PLD designs and manufacturing continuity.
Bộ thay thế dễ dàng lắp đặt cho ATF16V8C-7XU — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
ATF16V8C-5XU
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
ATF16V8C-10XU
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
ATF16V8C-15XU
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
ATF16V8C-20XU
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
ATF16V8C-10X
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
ATF16V8C-7XU Tỷ lệ tối đa & tính chất điện
| Device Type | EE PLD |
| Programmable Logic Architecture | 16V8 |
| Number of Macrocells | 8 |
| Số lượng đầu ra | 8 |
| Product Terms per Output | 8 |
| Input Voltage | 5 V |
| Speed Grade | 7.5 ns |
| Maximum Pin-to-Pin Delay | 5 ns |
| Technology | High-performance EECMOS |
| Configuration Memory | Electrically erasable flash memory |
| Power-Down Current | 100 uA |
| Hộp | 20-TSSOP, 4.40 mm width |
| Kiểu lắp đặt | Surface mount |
| Packaging | Tube |
| Lead-Free Status | Lead free |
| Operating Modes | Registered, complex, and combinatorial |
| Compatibility | JEDEC fusemap compatible |
| Family Speed Options | Down to 5 ns |
Hướng dẫn cấu hình chân ATF16V8C-7XU 20-tssop, 4.40 mm width
Cấu hình chân cho ATF16V8C-7XU (20-tssop, 4.40 mm width gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho ATF16V8C-7XU.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
ATF16V8C-7XU phù hợp cho 6 Áp dụngs: Industrial Control Glue Logic, Legacy Address and Command Decoding, Small Counter and Decoder Consolidation, Instrumentation Signal Conditioning, Embedded Peripheral Interface Adaptation, Data Routing and Mode Control.
Industrial Control Glue Logic
The ATF16V8C-7XU fits compact industrial control boards that need deterministic decoding between sensors, actuators, and a controller. Its eight macrocells can implement interlocks, alarm conditions, polarity conversion, and command qualification without occupying a programmable processor. The 7.5 ns speed grade provides short propagation delays for qualified control paths, while the 5 V supply and 20-pin TSSOP package simplify integration into dense control assemblies. Because the exact temperature grade is not stated, confirm the rating for the installation environment before production release.
Được đề xuất
Legacy Address and Command Decoding
The ATF16V8C-7XU can translate processor bus signals into board-level enables, chip selects, or peripheral commands when redesigning a legacy interface. Eight product terms per output provide sufficient capacity for common address and state-decoding equations, and the registered mode supports clocked outputs. The 7.5 ns grade adds timing margin in short combinational paths compared with slower 15 ns PLD options. Program the device from a verified fuse map and verify propagation delay against the bus timing budget before substituting it into an operating system.
Được đề xuất
Small Counter and Decoder Consolidation
Multiple small counters, decoders, selectors, and state-transition functions can be consolidated in one ATF16V8C-7XU. The eight outputs and three configurable operating modes allow registered and combinational logic to coexist without distributing the design across numerous gate packages. Its 20-pin TSSOP format reduces board area compared with discrete logic, and the 7.5 ns speed grade supports higher system clocking than a 15 ns alternative. Analyze product-term sharing and reset or clock requirements in the fuse map to ensure the intended equations fit.
Được đề xuất
Instrumentation Signal Conditioning
The ATF16V8C-7XU is suitable for instrumentation logic that must deterministically qualify, invert, latch, or route sensor-control signals before an analog or digital processing stage. Registered operation supports synchronized outputs, while combinational mode supports fast threshold-style decisions implemented as equations. Its 8-macrocell structure keeps simple functions compact, and the 7.5 ns grade helps minimize uncertainty in control paths. Confirm noise-margin, supply, and temperature requirements against the manufacturer datasheet, and avoid using the logic device as a substitute for precision analog signal conditioning.
Được đề xuất
Embedded Peripheral Interface Adaptation
The ATF16V8C-7XU can adapt mismatched legacy peripheral interfaces by translating control levels, generating qualified timing pulses, or routing commands between a controller and peripheral. The device's nonvolatile EECMOS configuration retains the logic after power removal, avoiding an external configuration sequence in many installations. Its 7.5 ns grade is appropriate for short synchronous-control paths, while eight outputs are enough for typical chip-select and handshake functions. Verify every input and output direction and the programmed architecture before introducing the part into a new PCB.
Được đề xuất
Data Routing and Mode Control
The ATF16V8C-7XU can implement fixed data-routing and operating-mode control equations close to the logic that consumes those signals. Product-term sharing permits multiple output functions to be expressed without duplicating identical conditions across separate gate packages. The three operating modes support simple combinatorial routing as well as clocked state changes, and the 7.5 ns speed grade provides additional timing margin over slower PLD grades. Confirm signal setup and hold requirements, unused-pin treatment, and power-down polarity against the production fuse map.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATF16V8C-7XU — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ATF16V8C-5XU | ATF16V8C-10XU | ATF16V8C-15XU | ATF16V8C-20XU |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-TSSOP | 20-TSSOP - same | 20-TSSOP - same | 20-TSSOP - same | 20-TSSOP - same |
| Programmable Logic Architecture | 16V8 | 16V8 | 16V8 | 16V8 | 16V8 |
| Speed | 7.5 ns | 5 ns | 10 ns | 15 ns | 20 ns |
| Number of Macrocells | 8 | 8 | 8 | 8 | 8 |
| Number of Outputs | 8 | 8 | 8 | 8 | 8 |
| Input Voltage | 5 V | 5 V | 5 V | 5 V | 5 V |
| Configuration Technology | Electrically erasable EECMOS flash memory | Electrically erasable EECMOS flash memory | Electrically erasable EECMOS flash memory | Electrically erasable EECMOS flash memory | Electrically erasable EECMOS flash memory |
| Operating Modes | Registered, complex, and combinatorial | Registered, complex, and combinatorial | Registered, complex, and combinatorial | Registered, complex, and combinatorial | Registered, complex, and combinatorial |
| Power-Down Option | Pin-controlled, approximately 100 uA | Pin-controlled, approximately 100 uA | Pin-controlled, approximately 100 uA | Pin-controlled, approximately 100 uA | Pin-controlled, approximately 100 uA |
Bảo phân biệt quan trọng
- Provides a 7.5 ns speed grade within the EECMOS ATF16V8C family (vsATF16V8C-15XU)
- Offers more timing margin than the 10 ns ATF16V8C speed grade (vsATF16V8C-10XU)
- Retains the same 16V8 organization and 20-pin TSSOP footprint across listed alternatives (vsATF16V8C-5XU)
Ghi chú thiết kế
Confirm the programmed architecture, fuse map, pin direction, and power-down polarity before treating an ATF16V8C variant as interchangeable. The ATF16V8C supports registered, complex, and combinatorial modes, and several inputs can perform different functions between modes. Preserve the original design file and validate the replacement with the production programmer before attaching it to a populated board.
Use the 20-lead TSSOP footprint associated with the ATF16V8C-7XU and inspect the package orientation mark before assembly. Keep programming or test pads accessible if the board may require field reconfiguration, but route them away from high-speed switching nodes. Confirm pad dimensions and paste coverage against the manufacturer's package drawing rather than treating it as a generic 20-pin TSSOP footprint.
Design the 5 V rail with adequate decoupling and verify all AC and DC limits against the manufacturer datasheet for the selected speed and temperature grade. Do not use the approximately 100 uA power-down current as an estimate of active consumption; active current depends on logic implementation and switching activity. Maintain the required voltage at the device pins across input, output, and power-down transitions.
Analyze the maximum propagation delay, setup, and hold requirements of every path that crosses between the PLD and external clocked circuitry. A faster grade can provide margin, but it does not eliminate setup-time, output-slew, or board-loading analysis. Use terminated or properly referenced nets for high-fanout signals and validate them with the final load, rather than relying on nominal logic timing alone.
Thông tin tuân thủ
The distributor record identifies the ATF16V8C-7XU as lead free. RoHS, REACH, halogen-free, and conflict-minerals status were not stated.
