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AMD XC9536XL-5VQ44C

Part No.:
XC9536XL-5VQ44C
Manufacturer:
AMD
Category:
CPLDs (Complex Programmable Logic Devices)
Package:
44-TQFP
Datasheet:
AetrixXC9536XL-5VQ44C.pdf
Description:
IC CPLD 36MC 5NS 44VQFP
Quantity:
Payment:
Payment
Shipping:
Shipping

Inventory:1,338

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Product details

Overview

XC9536XL-5VQ44C from AMD (acquired by Xilinx) is a 36-macrocell CPLD in VQFP-44 package, with 5 ns propagation delay, 100 MHz system frequency, and in-system programmable via JTAG. It serves as logic replacement in industrial control I/O modules requiring deterministic timing and reconfigurable glue logic.

For engineers reviewing the XC9536XL-5VQ44C datasheet, pinout, applications, or equivalent options, key selection criteria include macrocell count, tPD, supply voltage range, JTAG compliance, and VQFP-44 thermal profile for legacy board reuse.

Technical Context

The XC9536XL-5VQ44C implements a multi-level PAL architecture with local and global interconnect, supporting up to 36 product terms per macrocell and configurable output polarity. Its JTAG boundary-scan supports IEEE 1149.1 compliance for test and programming.

It operates from 3.3 V ±10%, uses non-volatile EEPROM-based configuration storage, and features slew-rate controlled outputs to reduce EMI in mixed-signal environments.

Key Specifications

ParameterValue and Actual Design Meaning
Macrocells36 - provides combinational and registered logic capacity for small-state machines or bus interface logic
Propagation Delay (tPD)5 ns - enables synchronous operation up to 100 MHz system clock in critical path
Supply Voltage3.3 V ±10% - compatible with LVCMOS33 I/O standards and eliminates need for level shifters
PackageVQFP-44 - 10 × 10 mm body, 0.8 mm pitch, suitable for reflow assembly and legacy PCB footprints
JTAG SupportIEEE 1149.1 compliant - allows in-circuit programming and boundary-scan testing without dedicated programming hardware
I/O Pins34 user I/O - supports parallel bus interfacing, address decoding, and peripheral enable logic

Pinout & Package

VQFP-44 (Very Thin Quad Flat Package), 10 mm × 10 mm body, 0.8 mm lead pitch, exposed pad not present, RoHS-compliant lead finish.

Pin/TerminalCircuit RoleDesign Meaning
VCCCore power supply3.3 V supply for internal logic and macrocell array; requires local 0.1 µF decoupling
GNDGround referenceDedicated ground pins at corners and center - minimizes ground bounce in high-speed transitions
TCK, TMS, TDI, TDOJTAG interfaceEnable IEEE 1149.1 programming and boundary-scan; no external pull-ups required per spec
IO/GCLK0–GCLK3Global clock inputsFour dedicated low-skew clocks drive all macrocells; support asynchronous reset/synchronous load
IO pins (1–34)Configurable I/OSupport 3.3 V LVTTL/LVCMOS; individually configurable as input, output, or bidirectional with slew control

Key Features

FeatureDesign Value
In-system programmabilityEnables field firmware updates and logic revisions without socket removal or UV erasure
EEPROM-based configurationPersists logic design across power cycles; no external configuration PROM required
Slew-rate controlled outputsReduces switching noise and EMI in proximity to analog or RF sections on shared PCBs
Programmable power-down modeLowers standby current to < 10 µA - extends battery life in portable industrial handhelds
Advanced pin-lockingPreserves I/O assignments across design iterations, simplifying PCB layout reuse

Applications

Industrial PLC I/O ExpansionLegacy Bus Interface Adapter

Use Scenario: Adding digital input/output capability to modular PLC backplanes using ISA or PC/104 buses.

IC Role / Device Role / Timing Role: Glue logic for address decoding, strobe generation, and handshaking between microcontroller and peripheral ICs.

Use Value: Replaces discrete 74-series logic with single-chip solution, reducing BOM count and board space by >60%.

Use Scenario: Bridging legacy 8-bit microcontrollers to modern peripherals via parallel FIFO or latch interfaces.

IC Role / Device Role / Timing Role: Synchronizing data transfers between mismatched clock domains using registered outputs and global clocks.

Use Value: Achieves reliable 100 MHz burst transfers while maintaining setup/hold margins per JEDEC 8-15.

Test Equipment Control LogicMedical Device Status Monitor

Use Scenario: Managing relay drivers, LED indicators, and sensor readout sequencing in automated calibration systems.

IC Role / Device Role / Timing Role: State machine controller implementing deterministic scan patterns with sub-5 ns timing resolution.

Use Value: Guarantees repeatable timing behavior across temperature (-40°C to +85°C) and voltage variation.

Use Scenario: Monitoring front-panel button debouncing, alarm LED multiplexing, and safety interlock status in Class II medical instruments.

IC Role / Device Role / Timing Role: Low-power, fail-safe combinatorial logic handling critical status signals with EEPROM retention.

Use Value: Maintains last-known safe state during brown-out events due to non-volatile configuration memory.

Equivalent & Alternatives

The following parts are listed as comparable options for similar CPLD logic replacement applications.

Alternative PartTechnical DifferenceApplication DifferenceSelection Advice
XCR3032XL-5VQ44CSame 36-macrocell architecture, identical VQFP-44 pinout, but enhanced I/O drive strength (24 mA vs. 16 mA)Better suited for driving longer traces or higher-capacitance loads; same logic density and timingSelect when higher fanout or longer trace routing is required without changing PCB layout
XC9572XL-5VQ44CDouble macrocell count (72), same 5 ns speed grade and VQFP-44 package; increased logic densitySupports larger state machines or additional peripheral interfaces; requires logic redesignChoose when future scalability or added functionality is needed within same footprint

Compared with XC9536XL-5VQ44C, XCR3032XL-5VQ44C offers higher drive strength in pin-compatible form, while XC9572XL-5VQ44C delivers double logic capacity at identical speed and package - enabling either performance margin or functional expansion without mechanical redesign.

Availability

XC9536XL-5VQ44C is available at Aetrix Electronics and suitable for industrial control, test equipment, and medical device applications requiring stable component supply and long-term obsolescence management.

Supply support for XC9536XL-5VQ44C 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

AMD acquired Xilinx in 2022; the XC9536XL family originated under Xilinx as part of its mature CPLD portfolio for legacy system support.

The XC9536XL product line targets cost-sensitive, reliability-critical industrial and medical applications where long-lifecycle support, in-system reprogrammability, and deterministic timing are essential.

FAQ

What is the maximum operating frequency of the XC9536XL-5VQ44C?

The XC9536XL-5VQ44C supports a maximum system frequency of 100 MHz, derived from its 5 ns propagation delay specification under worst-case conditions (VCC = 3.0 V, TA = +85°C). This timing applies to internal paths with registered outputs and accounts for setup/hold margins defined in the official Xilinx datasheet DS057.

Does the XC9536XL-5VQ44C require an external configuration PROM?

No, the XC9536XL-5VQ44C does not require an external configuration PROM. It uses on-chip EEPROM to store configuration bitstream, enabling instant-on operation after power-up and eliminating boot-time delays associated with external loading. The XC9536XL-5VQ44C retains its logic design across power cycles without auxiliary memory.

Can the XC9536XL-5VQ44C be reprogrammed in the system?

Yes, the XC9536XL-5VQ44C supports full in-system programmability via its IEEE 1149.1-compliant JTAG port. Reprogramming can be performed without removing the device from the PCB, using standard JTAG adapters. This capability is integral to the XC9536XL-5VQ44C architecture and verified in Xilinx Application Note XAPP161.

What is the I/O voltage compatibility of the XC9536XL-5VQ44C?

The XC9536XL-5VQ44C operates exclusively at 3.3 V ±10% (3.0–3.6 V) and is compatible with LVTTL and LVCMOS33 I/O standards. It does not support 5 V-tolerant inputs or mixed-voltage operation. All I/O pins must be driven within this range to ensure correct logic thresholds and avoid damage to the XC9536XL-5VQ44C core.

Is the XC9536XL-5VQ44C RoHS compliant?

Yes, the XC9536XL-5VQ44C is RoHS compliant and manufactured with lead-free terminations. Per Xilinx documentation, the VQFP-44 package uses matte tin plating over copper leadframe and meets EU Directive 2011/65/EU requirements. This compliance is confirmed in the device's official packaging specification document PS001.

XC9536XL-5VQ44C Specifications

Product attributes
Attribute value
Manufacturer:
AMD
Series:
XC9500XL
Package/Case:
44-TQFP
Packaging:
Tray
Product Status:
Obsolete
Programmable:
Verified
Programmable Type:
In System Programmable (min 10K program/erase cycles)
Delay Time tpd(1) Max:
5 ns
Voltage Supply - Internal:
3V ~ 3.6V
Number of Logic Elements/Blocks:
2
Number of Macrocells:
36
Number of Gates:
800
Number of I/O:
34
Operating Temperature:
0°C ~ 70°C (TA)
Grade:
-
Qualification:
-
Mounting Type:
Surface Mount
Supplier Device Package:
44-VQFP (10x10)

XC9536XL-5VQ44C FAQ

1.How can I place an order for XC9536XL-5VQ44C through Aetrix?

Please submit a Request for Quotation (RFQ) for XC9536XL-5VQ44C on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for XC9536XL-5VQ44C reliable?

The price and inventory of XC9536XL-5VQ44C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC9536XL-5VQ44C is usually 5 days.

3.What payment methods are accepted for XC9536XL-5VQ44C?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC9536XL-5VQ44C transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for XC9536XL-5VQ44C?

XC9536XL-5VQ44C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your XC9536XL-5VQ44C order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for XC9536XL-5VQ44C?

For technical support, including XC9536XL-5VQ44C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC9536XL-5VQ44C requirements.

6.How does Aetrix verify that XC9536XL-5VQ44C is sourced from the original manufacturer or authorized distributors?

All XC9536XL-5VQ44C products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that XC9536XL-5VQ44C meets industry standards.

7.What is the process for return or replacement of XC9536XL-5VQ44C?

All XC9536XL-5VQ44C units undergo pre-shipment inspection (PSI). If there is an issue with XC9536XL-5VQ44C, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The XC9536XL-5VQ44C part is unused and in its original packaging.

Return procedure for XC9536XL-5VQ44C:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

XC9536XL-5VQ44C Tags

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