AMD XC3195-4PQ160C

Overview

XC3195-4PQ160C from Xilinx is a high-density, high-speed Field Programmable Gate Array (FPGA) with 7,500 usable logic gates, 484 Configurable Logic Blocks (22 × 22 array), and 176 user I/Os in a 160-pin Plastic Quad Flat Package (PQFP). It supports system clock speeds over 85 MHz, offers 1.5 ns logic delay, and integrates on-chip crystal oscillator amplifier for timing-critical embedded control and digital signal preprocessing applications.

For engineers reviewing the XC3195-4PQ160C datasheet, pinout, applications, or equivalent options, key selection criteria include guaranteed 370 MHz flip-flop toggle rate, TTL/CMOS input threshold programmability, Soft Startup slew-rate limiting, 8 mA output drive capability, and full bitstream compatibility with XC3000A/L and XC3100L families.

Technical Context

The XC3195-4PQ160C implements a static memory-based FPGA architecture with distributed configuration memory cells, programmable I/O Blocks (IOBs) supporting registered/direct inputs and 3-state outputs, and Configurable Logic Blocks (CLBs) each containing dual flip-flops, five-input look-up tables, and programmable clock/enable/reset controls. Its interconnect uses general-purpose metal grids, direct CLB-to-CLB paths, and horizontal longlines with TBUF access.

It features error-checking of configuration bitstreams, automatic soft-startup with slew-limited initial output activation to suppress ground bounce, and architecture-level upward compatibility with XC3000A, XC3000L, and XC3100L devices - enabling reuse of design files and place-and-route data across family members.

Key Specifications

Pinout & Package

XC3195-4PQ160C is housed in a 160-pin Plastic Quad Flat Package (PQFP) with 40 pins per side, 0.65 mm pitch, and standard JEDEC MO-118 outline. Package dimensions are 28.0 mm × 28.0 mm × 3.3 mm (max height).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA logic integration applications.

Compared with XC3195-4PQ160C, XC3195A-4PQ160C offers identical functionality and timing, while XC3195-5PQ160C provides measurable performance uplift in worst-case path delay and maximum operating frequency - enabling higher clock rates without architectural redesign.

Availability

XC3195-4PQ160C is available at Aetrix Electronics and suitable for industrial motion control, legacy bus interface bridge, digital video preprocessing, and test equipment pattern generator applications requiring stable component supply and long-term obsolescence management.

Supply support for XC3195-4PQ160C includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Xilinx, founded in 1984, pioneered commercial FPGA technology and established foundational architectures for reconfigurable logic design before its acquisition by AMD in 2022.

The XC3000 Series - including XC3195-4PQ160C - was designed for high-density, high-performance digital system integration in industrial, military, and telecom infrastructure where field-upgradable logic and rapid prototyping were critical.

FAQ

What is the operating voltage requirement for XC3195-4PQ160C?

XC3195-4PQ160C operates exclusively at 5.0 V ± 5% for both core logic and I/O circuits. It is not compatible with 3.3 V supply rails. The device lacks internal voltage regulation, so stable 5 V rail conditioning with ≤100 mV ripple and local 0.1 µF + 10 µF decoupling per power pin is mandatory for reliable configuration and operation. This distinguishes XC3195-4PQ160C from later low-voltage Xilinx families like XC3100L.

Is XC3195-4PQ160C pin-compatible with other XC3000-series FPGAs?

Yes, XC3195-4PQ160C shares identical pinout and package footprint with all XC3000A, XC3000L, XC3100A, and XC3100L devices in the 160-pin PQFP variant. This includes matching VCC, GND, I/O, and configuration pin assignments. However, I/O count and CLB resources differ across family members - so while PCB layout is reusable, logic utilization and timing closure must be re-verified for each specific device.

Does XC3195-4PQ160C support in-system programming?

Yes, XC3195-4PQ160C supports in-system programming via its PROGRAM and INIT pins. Asserting PROGRAM Low initiates reconfiguration from an external serial PROM (e.g., XC17S100) or parallel source without power cycling. Configuration bitstream integrity is validated during load using embedded CRC checks - if errors occur, INIT goes Low and configuration halts, preventing invalid logic states.

What development tools are compatible with XC3195-4PQ160C?

XC3195-4PQ160C is supported by Xilinx Foundation Series 1.5 and earlier versions, including schematic capture, automatic place-and-route, logic/timing simulation, and interactive design editor. It interfaces with third-party EDA tools from Viewlogic, Cadence, and Mentor Graphics via EDIF netlist export. Bitstream generation requires Xilinx MAP/PAR tools targeting the XC3100A architecture - newer ISE or Vivado toolchains do not support this legacy family.

How does the Soft Startup feature function in XC3195-4PQ160C?

In XC3195-4PQ160C, Soft Startup automatically enforces slew-rate limiting on all outputs during the first activation after configuration completes. This prevents simultaneous switching noise and ground bounce that could disrupt adjacent circuitry. After startup, individual I/O slew rates revert to values set by configuration bits - allowing full-speed operation for critical signals while maintaining noise control during power-up transients.