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Microchip Technology ATF1504AS-10JU84
- Part No.:
- ATF1504AS-10JU84
- Manufacturer:
- Microchip Technology
- Package:
- 84-LCC (J-Lead)
- Datasheet:
-
ATF1504AS-10JU84.pdf
- Description:
- IC CPLD 64MC 10NS 84PLCC
- Quantity:
- Payment:
- Shipping:
Inventory:1,503
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Product details
Overview
ATF1504AS-10JU84 from Microchip Technology (formerly Atmel) is a high-density, electrically-erasable Complex Programmable Logic Device (CPLD) with 64 macrocells, 5 product terms per macrocell (expandable to 40), and 7.5 ns pin-to-pin delay. It supports registered operation up to 125 MHz, operates at 3.3 V or 5.0 V I/O, and is used in PCI-compliant digital control logic, legacy interface bridging, and reconfigurable glue logic for industrial embedded systems.
For engineers reviewing the ATF1504AS-10JU84 datasheet, ATF1504AS-10JU84 pinout, ATF1504AS-10JU84 application, or ATF1504AS-10JU84 equivalent, this device offers JTAG-based in-system programmability (ISP), flexible macrocell configuration (D/T/latch flip-flops, programmable slew rate, open-collector outputs), and advanced power management including automatic µA standby and pin-controlled 1 mA power-down mode.
Technical Context
The ATF1504AS-10JU84 implements a hierarchical CPLD architecture with four logic blocks, each fed by a global bus carrying up to 68 inputs plus 64 buried macrocell feedback signals. Its switch matrix selects up to 40 signals per block, enabling high routing utilization and successful pin-locked design iterations.
Each macrocell integrates five product terms routed through an OR/XOR/cascade structure, a configurable flip-flop (D/T/JK/SR/latch), and independent output enable logic. Global clock pins (GCLK1–GCLK3), input transition detection (ITD), and programmable pin-keeper circuits support robust timing-critical and low-noise system integration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Density | 64 macrocells - provides gate count equivalent to ~2000 usable PLD gates for medium-complexity synchronous logic. |
| Pin-to-Pin Delay | 7.5 ns (–10 speed grade) - enables reliable operation in 100+ MHz system clock domains with margin. |
| Maximum Clock Frequency | 125 MHz registered operation - supports high-speed state machines and data path control without external clock division. |
| I/O Voltage Support | 3.3 V or 5.0 V - allows direct interfacing with mixed-voltage systems (e.g., 3.3 V FPGA + 5 V legacy peripherals). |
| Power Management | Automatic µA standby & pin-controlled 1 mA power-down - reduces quiescent current by >90% during idle periods without firmware intervention. |
| JTAG Compliance | IEEE Std. 1149.1-1990/1149.1a-1993 - enables boundary-scan testing and ISP via standard TAP controller without external programming hardware. |
| PCI Compliance | Meets PCI electrical specifications - supports direct connection to PCI bus signals without external bus transceivers. |
Pinout & Package
ATF1504AS-10JU84 is packaged in an 84-lead PLCC (Plastic Leaded Chip Carrier) with 0.050" lead pitch. The package is lead-free and RoHS-compliant, suitable for through-hole mounting and reflow-compatible assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GCLK1 / GCLK2 / GCLK3 | Global Clock Input | Three dedicated high-fanout clock inputs; each can drive all macrocells simultaneously with minimal skew. |
| GCLR / OE1 / OE2 | Global Control Input | Asynchronous clear (GCLR) and output enable (OE1/OE2) signals configurable per macrocell for fine-grained resource control. |
| PD1 / PD2 | Power-down Control | Active-high pins that force device into sub-10 mA power-down mode; internal states and outputs are latched and held. |
| TDI / TDO / TMS / TCK | JTAG Boundary-scan Interface | Standard 4-pin IEEE 1149.1 interface for ISP programming and board-level interconnect testing. |
| I/O (x68) | Bidirectional Logic Pin | 68 user-configurable I/Os with programmable slew rate, open-collector option, and pin-keeper circuitry to eliminate floating inputs. |
Key Features
| Feature | Design Value |
|---|---|
| Flexible Macrocell Flip-flop | Configurable as D, T, JK, SR, or transparent latch - enables direct synthesis of diverse sequential logic without external glue. |
| Programmable Slew Rate | Per-output switching speed control - reduces EMI and signal integrity issues on sensitive PCB traces without sacrificing timing in critical paths. |
| Pin-keeper Circuits | On-chip weak pull-up/pull-down on all I/Os - eliminates need for external resistors, saves board space, and prevents floating-induced shoot-through current. |
| Reduced-power Bit per Macrocell | Individual macrocell power gating - cuts dynamic power in unused logic sections, improving thermal performance in dense designs. |
| VCC Power-up Reset | Hysteresis-selectable (Small/Large) reset threshold - ensures deterministic initialization of all registers at power-on, critical for FSM reliability. |
Applications
| Industrial PLC I/O Expansion | Legacy Bus Interface Bridge |
|---|---|
Use Scenario: Adding isolated digital I/O channels to modular PLC backplanes using discrete 24 V DC sensors and actuators. IC Role / Device Role / Timing Role: Glue logic CPLD implementing level translation, debounce filtering, and register-mapped parallel I/O with interrupt generation. Use Value: Replaces multiple 74-series chips and discrete logic; leverages 64 macrocells to integrate 32-channel input sampling + 16-channel output control in single 84-PLCC footprint. |
Use Scenario: Interfacing ISA or VMEbus peripherals to modern microcontroller-based controllers in test equipment. IC Role / Device Role / Timing Role: Protocol translator and address decoder managing bus arbitration, wait-state insertion, and signal timing alignment. Use Value: Uses programmable 7.5 ns delay and ITD circuits to meet strict ISA setup/hold requirements; avoids custom ASIC development cycle. |
| PCI Add-in Card Control Logic | Reconfigurable Test Fixture Sequencer |
Use Scenario: Managing configuration, status, and command handshaking on PCI-based data acquisition cards. IC Role / Device Role / Timing Role: PCI-compliant control hub handling REQ#/GNT#, FRAME#, IRDY#, TRDY#, and PAR signals with precise timing. Use Value: Meets PCI 2.2 electrical specs natively; eliminates external bus buffers while maintaining <1 ns output skew across all control lines. |
Use Scenario: Automated functional test of mixed-signal PCBs requiring stimulus pattern generation and response capture. IC Role / Device Role / Timing Role: State-machine sequencer generating synchronized digital stimulus waveforms and sampling analog comparator outputs via GPIO. Use Value: Enables field-upgradable test algorithms via JTAG ISP; 125 MHz registered operation supports 80+ MHz pattern rates with deterministic jitter. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CPLD applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XCR3064XL-10VQG44C | 64 macrocells, 10 ns delay, 3.3 V only, 44-pin VQFP; no 5 V I/O tolerance or PCI compliance. | Suitable for low-power, space-constrained 3.3 V-only designs but cannot replace ATF1504AS-10JU84 in mixed-voltage or PCI bus roles. | Select when board uses only 3.3 V rails and requires smaller footprint; verify JTAG BSDL compatibility for ISP toolchain reuse. |
| EPM3064ATC100-10 | 64 macrocells, 10 ns delay, 3.3 V core/5 V tolerant I/O, 100-pin TQFP; lacks pin-controlled power-down and ITD circuits. | Supports 5 V interfacing like ATF1504AS-10JU84 but requires external pull-ups for floating inputs and has no built-in power-down pin logic. | Choose for higher I/O count (84 vs. 68) and better thermal dissipation; accept added board-level components for power management. |
Compared with XCR3064XL-10VQG44C and EPM3064ATC100-10, the ATF1504AS-10JU84 uniquely combines 5 V/3.3 V I/O flexibility, native PCI compliance, and hardware power-down control in an 84-PLCC package-making it optimal for industrial retrofit and legacy interface consolidation where board real estate and voltage interoperability are constrained.
Availability
ATF1504AS-10JU84 is available at Aetrix Electronics and suitable for industrial PLC expansion, PCI add-in card development, and legacy bus interface bridging requiring stable component supply across extended product lifecycles.
Supply support for ATF1504AS-10JU84 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
Microchip Technology acquired Atmel in 2016 and continues to support its legacy PLD portfolio, delivering high-reliability, long-lifecycle programmable logic solutions for industrial and aerospace applications.
The ATF1504AS series was designed for reconfigurable digital control in harsh environments-emphasizing in-system programmability, mixed-voltage I/O, and deterministic timing for mission-critical glue logic replacement.
FAQ
What is the operating temperature range for the ATF1504AS-10JU84?
The ATF1504AS-10JU84 is rated for industrial temperature operation from –40°C to +85°C. This specification is validated per the device's DC and AC operating conditions table and applies to both 3.3 V and 5.0 V I/O configurations. The part maintains full functionality-including 125 MHz registered operation and JTAG ISP-at the full extremes of this range, making ATF1504AS-10JU84 suitable for deployment in uncontrolled industrial enclosures and outdoor control cabinets.
Does the ATF1504AS-10JU84 support 5 V-tolerant I/O when powered at 3.3 V?
Yes, the ATF1504AS-10JU84 supports 5 V-tolerant inputs regardless of whether VCCIO is set to 3.3 V or 5.0 V. Input high voltage (VIH) is specified as 2.0 V minimum up to VCCIO + 0.3 V, and absolute maximum rating allows 7.0 V pulses (<20 ns). However, outputs driven high will swing to VCCIO-not 5 V-so external level-shifting is required for true 5 V output signaling when VCCIO = 3.3 V. This behavior is documented in the DC Characteristics table for ATF1504AS-10JU84.
Can the JTAG pins on the ATF1504AS-10JU84 be reused as general-purpose I/O?
Yes, the JTAG pins (TDI, TDO, TMS, TCK) on the ATF1504AS-10JU84 can be configured as general-purpose I/O if JTAG boundary-scan and ISP are disabled in the design file. This reconfiguration frees four additional logic resources and is supported by Atmel's fitting tools. However, doing so permanently forfeits in-system programming capability and board-level scan testing-so ATF1504AS-10JU84 must be programmed externally before soldering if JTAG is disabled.
How does the pin-keeper feature function on the ATF1504AS-10JU84?
The pin-keeper feature on ATF1504AS-10JU84 is a programmable weak hold circuit active on all input and I/O pins. When enabled, it retains the last driven logic state (high or low) after the driving source is removed-preventing floating nodes, reducing system noise, and eliminating external pull-up/down resistors. It operates independently per pin and remains functional during ISP programming and power-down modes, ensuring deterministic behavior in partial reconfiguration scenarios.
What is the purpose of the PD1 and PD2 pins on the ATF1504AS-10JU84?
The PD1 and PD2 pins on ATF1504AS-10JU84 are dedicated, active-high power-down control inputs. When asserted (driven high), they place the device into a sub-10 mA standby state where all internal logic states and registered outputs are latched and held, and all non-PD inputs are blocked. This feature enables rapid low-power entry/exit in battery-backed or energy-sensitive systems. During power-down, the PD1/PD2 macrocells remain usable for foldback and cascade logic, preserving partial functionality without waking the core.
ATF1504AS-10JU84 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- ATF15xx
- Package/Case:
- 84-LCC (J-Lead)
- Packaging:
- Tube
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- Programmable Type:
- In System Programmable (min 10K program/erase cycles)
- Delay Time tpd(1) Max:
- 10 ns
- Voltage Supply - Internal:
- 4.5V ~ 5.5V
- Number of Logic Elements/Blocks:
- -
- Number of Macrocells:
- 64
- Number of Gates:
- -
- Number of I/O:
- 64
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 84-PLCC (29.31x29.31)
ATF1504AS-10JU84 FAQ
1.How can I place an order for ATF1504AS-10JU84 through Aetrix?
Please submit a Request for Quotation (RFQ) for ATF1504AS-10JU84 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 ATF1504AS-10JU84 reliable?
The price and inventory of ATF1504AS-10JU84 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATF1504AS-10JU84 is usually 5 days.
3.What payment methods are accepted for ATF1504AS-10JU84?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATF1504AS-10JU84 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATF1504AS-10JU84?
ATF1504AS-10JU84 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATF1504AS-10JU84 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 ATF1504AS-10JU84?
For technical support, including ATF1504AS-10JU84 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATF1504AS-10JU84 requirements.
6.How does Aetrix verify that ATF1504AS-10JU84 is sourced from the original manufacturer or authorized distributors?
All ATF1504AS-10JU84 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 ATF1504AS-10JU84 meets industry standards.
7.What is the process for return or replacement of ATF1504AS-10JU84?
All ATF1504AS-10JU84 units undergo pre-shipment inspection (PSI). If there is an issue with ATF1504AS-10JU84, 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 ATF1504AS-10JU84 part is unused and in its original packaging.
Return procedure for ATF1504AS-10JU84:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ATF1504AS-10JU84 Tags
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5M40ZE64C5N
Intel
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ATF1502ASV-15AU44
Microchip Technology
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5M80ZE64C5N
Intel
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5M80ZT100C5N
Intel
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ATF1502AS-10AU44
Microchip Technology
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ATF1502AS-10JU44
Microchip Technology
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5M80ZE64I5N
Intel
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5M80ZT100I5N
Intel
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LC4032V-75TN48C
Lattice Semiconductor Corporation
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ATF1504ASV-15AU44
Microchip Technology
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ATF1504AS-10JU44
Microchip Technology
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5M160ZE64C5N
Intel
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