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Microchip Technology ATF1504AS-15QI100
- Part No.:
- ATF1504AS-15QI100
- Manufacturer:
- Microchip Technology
- Package:
- 100-BQFP
- Datasheet:
-
ATF1504AS-15QI100.pdf
- Description:
- IC CPLD 64MC 15NS 100QFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,445
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Product details
Overview
ATF1504AS-15QI100 from Microchip Technology (formerly Atmel) is a high-density, electrically-erasable Complex Programmable Logic Device (CPLD) with 64 macrocells, 7.5 ns pin-to-pin delay, and support for 125 MHz registered operation. It features in-system programmability via IEEE 1149.1 JTAG, PCI-compliant I/O drivers, and flexible macrocell configuration including D/T/latch flip-flops and programmable slew rate - deployed in industrial control logic, legacy interface bridging, and reconfigurable glue logic on embedded PCBs.
For engineers reviewing the ATF1504AS-15QI100 datasheet, ATF1504AS-15QI100 pinout, ATF1504AS-15QI100 application, or ATF1504AS-15QI100 equivalent, key selection criteria include its 100-lead TQFP package with dedicated global clock pins (GCLK1–GCLK3), dual-voltage I/O (3.3 V / 5.0 V), JTAG boundary-scan compliance, and power-down capability via PD1/PD2 pins - all critical for field-upgradable industrial designs requiring deterministic timing and low-power standby.
Technical Context
The ATF1504AS-15QI100 implements a hierarchical CPLD architecture with four logic blocks, each fed by a 40-signal global bus carrying inputs, I/O feedback, and buried macrocell outputs. Its macrocells support combinatorial or registered outputs with foldback logic, cascade chains up to 40 product terms, and ITD (Input Transition Detection) circuits on global clocks and I/Os.
It uses electrically-erasable EEPROM technology enabling 10,000 program/erase cycles and 20-year data retention, with security fuse protection and 16-bit user signature storage. The device supports both standard and "L"-version power management: automatic µA standby, pin-controlled 1 mA power-down, and per-macrocell reduced-power mode with tRPA adder penalty.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Density | 64 macrocells - provides gate count equivalent to ~1,500 usable PLD gates for medium-complexity glue logic integration. |
| Max Pin-to-pin Delay | 7.5 ns (–15 speed grade) - enables reliable 133 MHz system timing margin for synchronous interfaces like ISA or custom parallel buses. |
| Registered Frequency | 125 MHz - supports high-speed state machines and pipelined control logic 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 MCU + 5 V legacy peripherals) without level shifters. |
| Package | 100-lead TQFP - surface-mount footprint with 0.5 mm pitch, suitable for automated assembly and thermal performance up to 85°C ambient. |
| JTAG Compliance | IEEE Std. 1149.1-1990 & 1149.1a-1993 - enables production boundary-scan testing and in-circuit programming without socketing or removal. |
| Power Management | Pin-controlled power-down (<10 mA) + per-macrocell reduced-power bit - reduces active current by >90% during idle periods in battery-backed or energy-sensitive applications. |
Pinout & Package
ATF1504AS-15QI100 is housed in a 100-lead Thin Quad Flat Package (TQFP) with 0.5 mm lead pitch and exposed thermal pad. Pin functions include 64 bidirectional I/Os, 4 dedicated input pins (GCLR, OE1, GCLK1, GCLK2), 1 dedicated GCLK3/I/O, 2 power-down pins (PD1, PD2), 4 JTAG pins (TDI, TDO, TMS, TCK), and multiple VCCIO/VCCINT/GND rails distributed for noise reduction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GCLK1, GCLK2, GCLK3 | Global Clock Input / Output | Three independent clock sources; GCLK3 is bidirectional - enables multi-clock domain synchronization and clock-gating logic. |
| GCLR | Global Clear Input | Asynchronous reset for all macrocell flip-flops - used for system-wide initialization or fault recovery without software intervention. |
| OE1, OE2 | Output Enable Inputs | Dedicated pins controlling output enable per macrocell group - simplifies bus arbitration and tri-state control in shared-data-path designs. |
| PD1, PD2 | Power-down Control | Active-high pins triggering sub-10 mA standby - allows hardware-triggered low-power mode during sleep or maintenance intervals. |
| TDI, TDO, TMS, TCK | JTAG Test Access Port | Standard 4-pin interface for boundary-scan test and ISP programming - eliminates need for dedicated programming headers or fixtures. |
| VCCIO / VCCINT | Power Supply Rails | VCCIO sets I/O voltage (3.3 V or 5.0 V); VCCINT powers core logic - decoupled supplies reduce switching noise and improve signal integrity. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Slew Rate | Per-output control between fast/slow switching - reduces EMI and crosstalk on high-speed buses while preserving timing margins. |
| Pin-keeper Circuits | Configurable on all inputs and I/Os - eliminates need for external pull-ups, prevents floating inputs, and cuts static power in unconnected pins. |
| PCI-compliant Outputs | High-drive, low-skew outputs meeting PCI electrical specs - enables direct connection to PCI slots without external buffers or termination networks. |
| Power-up Reset with Hysteresis | Selectable small/large hysteresis option - ensures robust state machine initialization across varying VCC ramp profiles in industrial power supplies. |
| User Signature Register | 16-bit accessible memory - stores revision ID, project name, or calibration data without security fuse restriction, aiding traceability and field diagnostics. |
Applications
| Industrial PLC Backplane Interface | Legacy Peripheral Bridge Logic |
|---|---|
|
Use Scenario: Interfacing modern microcontrollers with legacy 8-bit parallel peripherals (e.g., EPROMs, LCD controllers, ISA-style devices) in factory automation systems. IC Role / Device Role / Timing Role: Glue logic CPLD providing address decoding, strobe generation, and bus arbitration with deterministic 7.5 ns propagation. Use Value: Eliminates discrete TTL logic and reduces BOM count by consolidating 10+ SSI/MSI chips into one reprogrammable device with field-upgradable timing. |
Use Scenario: Replacing obsolete PAL/GAL devices in medical instrument control boards where component obsolescence threatens production continuity. IC Role / Device Role / Timing Role: Drop-in functional replacement with identical pinout and timing behavior - verified via JTAG boundary-scan and AC parameter matching. Use Value: Restores supply chain viability without PCB redesign; leverages existing design files and ISP capability for zero-downtime firmware updates. |
| Reconfigurable Sensor Hub Controller | Field-Upgradeable Communication Protocol Adapter |
|
Use Scenario: Aggregating and preprocessing analog/digital sensor signals (thermocouples, encoders, limit switches) in modular test equipment. IC Role / Device Role / Timing Role: Real-time logic sequencer managing ADC sampling windows, digital filtering, and SPI/I²C packetization under tight timing constraints. Use Value: Enables runtime reconfiguration of sensor interface protocols via ISP - supports multi-customer deployments with variant-specific firmware. |
Use Scenario: Converting proprietary serial protocols (e.g., RS-485-based fieldbus) to USB or Ethernet in industrial gateways. IC Role / Device Role / Timing Role: Protocol translation engine implementing handshaking, framing, and error detection using macrocell-based state machines. Use Value: Delivers deterministic latency (<100 ns jitter) and supports firmware patches via JTAG - critical for time-sensitive motion control networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CPLD applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XCR3064XL-10VQ100C | 64 macrocells, 10 ns delay, 3.3 V only, Flash-based non-volatile config - no EEPROM endurance rating or 5 V I/O support. | Lower power in active mode but lacks pin-compatible 5 V tolerance - requires level-shifting when interfacing with legacy 5 V peripherals. | Select for new 3.3 V-only designs prioritizing lower static current; avoid when backward compatibility with 5 V logic is required. |
| EPM3064ATC100-10 | 64 macrocells, 10 ns delay, 3.3 V core/5 V tolerant I/O, SRAM+EEPROM config - requires external configuration device at power-up. | Higher pin count overhead due to configuration interface; no integrated security fuse - less suitable for tamper-resistant applications. | Prefer when design already uses Intel MAX II infrastructure and external config EEPROM is acceptable; verify JTAG chain compatibility. |
Compared with XCR3064XL-10VQ100C and EPM3064ATC100-10, the ATF1504AS-15QI100 uniquely combines 5 V-tolerant I/O, EEPROM non-volatility with 10,000-cycle endurance, and integrated power-down control - making it the only option supporting hot-swap-capable, field-reprogrammable industrial glue logic without external components.
Availability
ATF1504AS-15QI100 is available at Aetrix Electronics and suitable for industrial control systems, legacy interface bridging, and reconfigurable sensor hubs requiring stable component supply across extended temperature ranges (–40°C to +85°C) and long lifecycle commitments.
Supply support for ATF1504AS-15QI100 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 maintains full support for the ATF1504AS family, including datasheets, programming tools, and long-term manufacturing commitments for industrial-grade PLDs.
The ATF1504AS series was designed specifically for high-reliability, field-upgradable glue logic in industrial, medical, and aerospace applications - emphasizing EEPROM-based non-volatility, JTAG accessibility, and mixed-voltage interoperability.
FAQ
What is the maximum operating frequency of the ATF1504AS-15QI100 in registered mode?
The ATF1504AS-15QI100 supports registered operation up to 125 MHz, as confirmed by its –15 speed grade AC specification (fCNT = 125 MHz). This value is measured under worst-case conditions (VCC = 5.0 V ±5%, TA = 85°C) and applies to global clock domains driving macrocell registers. The ATF1504AS-15QI100 achieves this using optimized routing resources and low-skew clock distribution across its four logic blocks.
Does the ATF1504AS-15QI100 support both 3.3 V and 5.0 V I/O signaling?
Yes, the ATF1504AS-15QI100 supports dual-voltage I/O: VCCIO can be set to either 3.0–3.6 V or 4.75–5.25 V, enabling direct interfacing with both 3.3 V microcontrollers and legacy 5 V peripherals. This is implemented via separate VCCIO and VCCINT rails - the ATF1504AS-15QI100 does not require external level shifters when bridging mixed-voltage subsystems.
How is in-system programming (ISP) implemented on the ATF1504AS-15QI100?
The ATF1504AS-15QI100 implements ISP via its IEEE 1149.1-compliant 4-pin JTAG interface (TDI, TDO, TMS, TCK), allowing full programming and boundary-scan testing without device removal. Programming is performed using SVF files generated by Microchip's design tools or third-party vendors. The ATF1504AS-15QI100 remains fully functional during ISP, with pin-keeper circuits preserving I/O states to avoid system disruption.
What power management features are available on the ATF1504AS-15QI100?
The ATF1504AS-15QI100 offers three layered power-saving mechanisms: (1) automatic µA standby when idle, (2) pin-controlled power-down (<10 mA) via PD1/PD2, and (3) per-macrocell reduced-power mode adding tRPA delay. These are configurable in the design file and do not require external circuitry - a key advantage of the ATF1504AS-15QI100 over competing CPLDs lacking fine-grained power control.
Is the ATF1504AS-15QI100 pin-compatible with other ATF1504AS variants?
The ATF1504AS-15QI100 shares identical pinout and functionality with other 100-lead TQFP variants (e.g., ATF1504AS-10QI100, ATF1504ASL-15QI100), differing only in speed grade (–15 vs –10) and power mode ("L" vs standard). All 100-lead packages use the same mechanical footprint and signal mapping - the ATF1504AS-15QI100 can be substituted for slower or low-power versions without layout changes, provided timing margins are verified.
ATF1504AS-15QI100 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- ATF15xx
- Package/Case:
- 100-BQFP
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Programmable Type:
- In System Programmable (min 10K program/erase cycles)
- Delay Time tpd(1) Max:
- 15 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:
- 100-PQFP (14x20)
ATF1504AS-15QI100 FAQ
1.How can I place an order for ATF1504AS-15QI100 through Aetrix?
Please submit a Request for Quotation (RFQ) for ATF1504AS-15QI100 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-15QI100 reliable?
The price and inventory of ATF1504AS-15QI100 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATF1504AS-15QI100 is usually 5 days.
3.What payment methods are accepted for ATF1504AS-15QI100?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATF1504AS-15QI100 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATF1504AS-15QI100?
ATF1504AS-15QI100 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATF1504AS-15QI100 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-15QI100?
For technical support, including ATF1504AS-15QI100 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATF1504AS-15QI100 requirements.
6.How does Aetrix verify that ATF1504AS-15QI100 is sourced from the original manufacturer or authorized distributors?
All ATF1504AS-15QI100 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-15QI100 meets industry standards.
7.What is the process for return or replacement of ATF1504AS-15QI100?
All ATF1504AS-15QI100 units undergo pre-shipment inspection (PSI). If there is an issue with ATF1504AS-15QI100, 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-15QI100 part is unused and in its original packaging.
Return procedure for ATF1504AS-15QI100:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ATF1504AS-15QI100 Tags
-
5M40ZE64C5N
Intel
-
ATF1502ASV-15AU44
Microchip Technology
-
5M80ZE64C5N
Intel
-
5M80ZT100C5N
Intel
-
ATF1502AS-10AU44
Microchip Technology
-
ATF1502AS-10JU44
Microchip Technology
-
5M80ZE64I5N
Intel
-
5M80ZT100I5N
Intel
-
LC4032V-75TN48C
Lattice Semiconductor Corporation
-
ATF1504ASV-15AU44
Microchip Technology
-
ATF1504AS-10JU44
Microchip Technology
-
5M160ZE64C5N
Intel
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