AMD XC4003-6PQ100C

Overview

XC4003-6PQ100C from Xilinx is a third-generation Field-Programmable Gate Array (FPGA) with 3,000 usable gates, 100 Configurable Logic Blocks (CLBs), and 360 flip-flops, fabricated in sub-micron CMOS. It features on-chip RAM (3,200 bits), dedicated fast-carry logic, eight global low-skew clock nets, and supports system clock rates up to 50 MHz in applications such as digital signal processing accelerators and microprocessor peripheral controllers.

For engineers reviewing the XC4003-6PQ100C datasheet, pinout, applications, or equivalent options, key selection criteria include CLB count (100), I/O count (80), output sink current (24 mA per IOB), RAM bit capacity (3,200), and PQ100 package compatibility with IEEE 1149.1 boundary-scan test support.

Technical Context

The XC4003-6PQ100C implements a symmetric CLB architecture with two independent 4-input function generators (F' and G') plus a third 3-input H' generator, enabling single-block implementation of 5-variable logic or arithmetic functions. Each CLB provides four outputs (X, Y, XQ, YQ), dual edge-triggered D flip-flops with programmable asynchronous set/reset, and configurable RAM modes (16×2 or 32×1 per CLB).

Its interconnect hierarchy includes eight global low-skew networks, double-length and single-length routing lines, and programmable IOBs with input setup-time adjustment, slew-rate control, and 24 mA sink capability. The device uses master serial/parallel or slave peripheral configuration modes with CRC error checking and supports readback with flip-flop snapshot capability.

Key Specifications

Pinout & Package

PQ100 is a 100-pin Plastic Quad Flat Pack (PQFP) with 0.65 mm lead pitch, 14 × 14 mm body size, and standard JEDEC MO-118AC footprint. Pin numbering follows counter-clockwise sequence starting from top-left corner (Pin 1), with power (VCC, GND), I/O, configuration (DIN, CCLK, INIT, PROGRAM), and boundary-scan (TCK, TMS, TDI, TDO) signals distributed across all four sides.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC4003-6PQ100C, the XC4003E-6PQ100C offers identical logic capacity but enhanced thermal and electrical specifications for mission-critical deployments, while the XC4004A-6PQ100C delivers scalable headroom with full pin compatibility - enabling drop-in upgrades without layout revision.

Availability

XC4003-6PQ100C is available at Aetrix Electronics and suitable for industrial motion control, embedded audio processing, protocol bridging, and legacy system emulation requiring stable component supply and long-lifecycle support.

Supply support for XC4003-6PQ100C 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 developed the XC4000 family as its third-generation high-density programmable logic platform.

The XC4000 family was designed to deliver reprogrammable ASIC-like functionality with integrated RAM, fast carry logic, and robust routing - targeting digital systems requiring hardware flexibility without mask costs.

FAQ

What is the maximum system clock frequency supported by XC4003-6PQ100C?

The XC4003-6PQ100C supports synchronous system clock rates up to 50 MHz, verified under worst-case conditions with -6 speed grade timing. This performance is enabled by its sub-micron CMOS process, fast carry logic, and eight global low-skew clock networks. Actual achievable clock speed depends on design topology and placement - critical paths involving CLB-to-CLB carry chains can sustain 42 MHz counters, while distributed logic may operate at lower frequencies due to routing delays. The XC4003-6PQ100C datasheet specifies guaranteed toggle rates that map directly to system clock limits.

Does XC4003-6PQ100C support in-system programming?

Yes, XC4003-6PQ100C supports in-system programming via its IEEE 1149.1-compliant boundary-scan interface (TCK/TMS/TDI/TDO pins). Configuration bitstreams can be loaded through JTAG using Xilinx IMPACT or compatible tools, enabling field updates without removing the device from the PCB. The device also supports slave serial and peripheral modes for processor-controlled reconfiguration. All methods preserve unlimited reprogrammability - XC4003-6PQ100C has no endurance limit on configuration cycles, making it suitable for dynamic hardware adaptation.

How many I/O pins does XC4003-6PQ100C have, and what are their drive capabilities?

XC4003-6PQ100C provides 80 user-configurable I/O pins in the PQ100 package. Each IOB supports 24 mA sink current - double the 12 mA of the base XC4000 family - and includes programmable slew rate, input pull-up/pull-down resistors, and adjustable input setup time. Outputs can be paired externally to achieve 48 mA sink capability for driving heavy loads. All I/Os are 3.3 V tolerant and support mixed-voltage operation when VCCO is set accordingly. These features eliminate external bus transceivers in most industrial interface applications.

Can XC4003-6PQ100C implement RAM functions, and how much memory is available?

Yes, XC4003-6PQ100C implements distributed RAM using its CLB function generators: each of the 100 CLBs can be configured as either a 16×2-bit or 32×1-bit synchronous SRAM block, yielding up to 3,200 bits total. Read access latency matches logic propagation delay (~5.5 ns), and write cycle time is ~8 ns - significantly faster than off-chip solutions. This RAM is used for FIFOs, status registers, and lookup tables without consuming dedicated memory blocks. The XC4003-6PQ100C does not include block RAM; all memory is distributed and tightly coupled to logic resources.

What configuration modes are supported by XC4003-6PQ100C?

XC4003-6PQ100C supports six configuration modes: Master Serial, Master Parallel, Slave Serial, Slave Parallel, Slave SelectMAP, and Boundary Scan. Master modes use an external PROM to autonomously load the bitstream at power-up; Slave modes allow a host processor to control configuration timing and content. All modes include CRC error checking on the bitstream and support readback for verification. The XC4003-6PQ100C requires no external oscillator - configuration clock (CCLK) can be generated internally or supplied externally up to >8 MHz, with fully static timing constraints.