XC9536XL-7CS48I - 36-Macro-Cell 3.3V CPLD | AMD
MPN: XC9536XL-7CS48I ✓ ActiveXC9536XL-7CS48I Overview
A CPLD, or complex programmable logic device, is a user-programmable semiconductor that combines programmable logic blocks, programmable interconnect, and I/O resources into a compact logic platform. The CPLD category belongs to programmable logic devices and sits below FPGA & CPLD in the broader integrated-circuit hierarchy. Unlike fixed-function logic, a CPLD allows designers to implement multiple digital functions in one device and revise the configuration during development.
The XC9536XL uses two 54V18 function blocks and provides 36 macro cells with 800 usable gates. Its 3.3 V operating supply, 125 MHz maximum frequency, and 5 ns propagation delay support high-speed control logic where deterministic response and compact integration are important. The device also uses 0.35 μm CMOS technology and provides 36 I/O resources in its 48-terminal CSBGA package.
This architecture is intended for communications and computing systems where compact logic consolidation can reduce component count and board area. Each macro cell supports programmable combinational or registered logic, while the embedded programmable interconnect routes signals among function blocks and I/O pins. This makes the XC9536XL suitable for implementing address decoding, control sequencing, state machines, bus arbitration, data routing, and peripheral-interface logic in a single programmable device.
Typical uses include communications equipment, embedded control systems, industrial automation modules, test equipment, and computer peripheral interfaces. A design can place several small gate-level functions into one XC9536XL rather than using separate AND, OR, counter, or latch packages. Because the device is nonvolatile and programmable, logic revisions can also reduce assembly changes when interfaces evolve.
The primary design consideration is PCB layout around the 48-pin CSBGA footprint and verification of the pin assignment against the selected CS package variant. Engineers should also confirm the -7 timing grade, industrial-temperature requirement, and 3.3 V interface conditions against the system timing budget. Because a CPLD is not an FPGA, designs requiring large on-chip memories, soft processors, or very high logic density should use an appropriate FPGA architecture instead.
This product page combines the AMD XC9536XL device characteristics, package details, and drop-in family options with practical guidance for timing, PCB implementation, and replacement planning. It also distinguishes exact package and temperature-grade changes from speed-grade changes that may require timing revalidation.
Drop-in alternatives for XC9536XL-7CS48I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
XC9536XL-7CSG48I
✅ Drop-In📋 Reference alternative (not in catalog)
XC9536XL-7CS48C
✅ Drop-InContact for price
View Datasheet →XC9536XL-7CSG48C
✅ Drop-In📋 Reference alternative (not in catalog)
XC9536XL-5CSG48C
✅ Drop-In📋 Reference alternative (not in catalog)
XC9536XL-5CS48C
✅ Drop-In ⚠️ Specs UnverifiedContact for price
View Datasheet →XC9536XL-7CS48I Maximum Ratings & Electrical Characteristics
| Device Type | Complex programmable logic device (CPLD) |
| Product Family | XC9500XL |
| Supply Voltage | 3.3 V |
| Macro Cells | 36 macro cells |
| Usable Gates | 800 gates |
| Maximum Frequency | 125 MHz |
| Propagation Delay | 5 ns |
| Function Blocks | 2 function blocks |
| Function Block Architecture | 2 × 54V18 |
| Input and Output Count | 36 I/O |
| Technology | 0.35 µm CMOS |
| Package | 48-pin CSBGA |
| Terminal Count | 48 terminals |
| Terminal Type | Ball |
| Package Shape | Square |
| Mounting Type | Surface mount |
| Temperature Grade | Industrial |
| Programming Technology | Flash programmable logic |
XC9536XL-7CS48I square Pin Configuration Guide
Pin configuration for XC9536XL-7CS48I (square package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for XC9536XL-7CS48I.
Refer to the datasheet for full pin configuration.
Typical Applications
XC9536XL-7CS48I is suitable for 6 applications: Communications Control Logic, Embedded System Glue Logic, Industrial Automation Interface Logic, Test and Measurement Control, Data Acquisition and Signal Conditioning, Computer Peripheral Interface.
Communications Control Logic
The AMD XC9536XL-7CS48I fits communications equipment that requires compact programmable control beside a high-speed digital interface. Its 36 macro cells and 800 usable gates can implement address decoding, frame synchronization, command sequencing, arbitration, and error-handling state machines without a separate collection of fixed gate logic. The 3.3 V supply and 125 MHz maximum operating frequency align with many communications subsystems, while 5 ns propagation delay supports deterministic control paths. Placing the CPLD near the associated connector, transceiver, or processor can also shorten routing and consolidate interface functions, but the design must preserve adequate ball-out and power-return continuity around the 48-pin CSBGA footprint.
Recommended
Embedded System Glue Logic
The XC9536XL-7CS48I is useful for consolidating reset sequencing, chip-select generation, bus decode, interrupt routing, and peripheral-control logic around a processor or microcontroller. With 36 macro cells and two 54V18 function blocks, the device provides enough capacity for multiple small functions while retaining the simpler programming model of a CPLD. A 3.3 V operating supply reduces level-conversion requirements in compatible 3.3 V systems, and the 125 MHz class supports moderate-speed control interfaces. Engineers should map each function to available macro cells and I/O resources, check the absolute timing margin, and verify that the selected CS package has the required pin assignments before releasing the PCB layout.
Recommended
Industrial Automation Interface Logic
The XC9536XL-7CS48I can implement protocol-independent control logic for industrial automation modules, including sensor-interface sequencing, relay-command generation, status multiplexing, and motion-control timing. The XC9500XL architecture provides 800 usable gates and 36 I/O resources, allowing several control functions to share one programmable device while retaining flash-based configuration. Its industrial temperature grading supports industrial environments, and the 125 MHz maximum frequency is suitable for coordinating digital control rather than executing complex processor software. For robust equipment, validate I/O levels, isolation boundaries, input filtering, and ground returns; logic timing should also be checked against actuator delays and industrial safety requirements rather than inferred from the clock frequency alone.
Recommended
Test and Measurement Control
The XC9536XL-7CS48I is suitable for instrumentation control where deterministic sequencing and compact logic density are more important than large memory or soft-processor resources. It can generate test enables, coordinate measurement triggers, route status flags, and implement instrument-control protocols through its 36 macro cells. The 3.3 V supply supports modern mixed-signal test equipment, while 5 ns propagation delay and a 125 MHz class allow the logic to coordinate fast data-capture and transfer events. Use careful clock partitioning and output-skew analysis, especially when driving external instrumentation, and account for board delay, connector loading, and clock uncertainty in the system timing budget.
Recommended
Data Acquisition and Signal Conditioning
The XC9536XL-7CS48I can consolidate digital control around ADC, DAC, and signal-conditioning subsystems by implementing sample sequencing, converter control, channel selection, trigger routing, and data-ready signaling. Its 36 I/O resources provide dedicated interface capacity, while 800 usable gates support several small control blocks in one package. The 3.3 V operation and 125 MHz maximum frequency are suitable for coordinating moderate-rate converters and digital data paths. For measurement accuracy, separate analog and digital return currents, place the CPLD away from sensitive analog inputs, and avoid routing fast edge signals beside high-impedance nodes. Timing should be derived from converter latency and acquisition-clock requirements, not solely from the maximum CPLD operating frequency.
Recommended
Computer Peripheral Interface
The XC9536XL-7CS48I fits legacy and embedded peripheral-interface designs requiring address decoding, transfer sequencing, FIFO control, interrupt generation, and programmable bus arbitration. Its 36 macro cells are well suited to consolidating several small interface functions into a single surface-mount device, while the 125 MHz class handles moderate-speed parallel buses. The 3.3 V supply can simplify connections to compatible processors and peripheral controllers. Before layout release, confirm the exact device pinout, I/O standard, package ball assignments, and drive requirements in AMD datasheet DS058. Replacement planning should preserve the 48-pin CSBGA footprint and account for any speed-grade or temperature-grade change that could affect timing validation.
Recommended
Recommended Products Summary
Engineering reference data for XC9536XL-7CS48I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | XC9536XL-7CSG48I | XC9536XL-7CS48C | XC9536XL-7CSG48C | XC9536XL-5CSG48C | XC9536XL-5CS48C |
|---|---|---|---|---|---|---|
| Brand | AMD | AMD | AMD | AMD | AMD | AMD |
| Package | 48-pin CSBGA | 48-pin CSBGA | 48-pin CSBGA | 48-pin CSBGA | 48-pin CSBGA | 48-pin CSBGA |
| Device Family | XC9500XL | XC9500XL | XC9500XL | XC9500XL | XC9500XL | XC9500XL |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Macro Cells | 36 macro cells | 36 macro cells | 36 macro cells | 36 macro cells | 36 macro cells | 36 macro cells |
| Usable Gates | 800 gates | 800 gates | 800 gates | 800 gates | 800 gates | 800 gates |
| Propagation Delay | 5 ns | 5 ns | 5 ns | 5 ns | 10 ns | 10 ns |
| Temperature Grade | Industrial | Industrial | Commercial | Commercial | Commercial | Commercial |
| Technology | 0.35 µm CMOS | 0.35 µm CMOS | 0.35 µm CMOS | 0.35 µm CMOS | 0.35 µm CMOS | 0.35 µm CMOS |
Key Differentiators
- Maintains the faster -7 performance class (vs XC9536XL-5CSG48C)
- Matches the target temperature class (vs XC9536XL-7CS48C)
- Provides a closer package-designation match within the XC9500XL family (vs XC9536XL-7CSG48C)
Design Notes
Treat the 48-pin CSBGA as a dense, board-level routing problem. Use the exact package drawing and ball map from AMD datasheet DS058 to assign power, ground, configuration, clock, and user I/O balls. Place the device near the circuitry that uses its signals, maintain continuous ground and power planes, and route sensitive or high-speed nets away from package escape paths wherever the design permits.
Build the timing budget from the 5 ns device propagation delay, external I/O delay, board delay, and the receiving circuit's setup and hold requirements. The 125 MHz maximum operating frequency does not guarantee that every external path will close timing. Use worst-case board and loading assumptions, and re-run timing after substituting a different speed grade or changing the package variant.
Do not treat CS, CSG, I, and C ordering suffixes as electrically interchangeable without checking the datasheet and environmental requirements. The target is an industrial -7 device, while some close alternatives use a commercial temperature class or slower speed grade. Verify the exact ordering code, ball assignment, operating temperature, propagation delay, and supply requirements before approving a replacement for production.
Follow the manufacturer's recommended decoupling and power-distribution arrangement from datasheet DS058. Place the required input and output capacitors close to the relevant supply balls, provide low-impedance connections to the ground plane, and check AC and DC requirements across the complete 3.3 V system range. Sequence the configuration pins correctly if the board implements a controlled power-up or reset process.
Compliance Information
The device is identified as an industrial-grade flash-programmable CPLD, but no specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declaration is stated in the cited product information.
