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Microchip Technology ATF1504ASL-25JI84
- Part No.:
- ATF1504ASL-25JI84
- Manufacturer:
- Microchip Technology
- Package:
- 84-LCC (J-Lead)
- Datasheet:
-
ATF1504ASL-25JI84.pdf
- Description:
- IC CPLD 64MC 25NS 84PLCC
- Quantity:
- Payment:
- Shipping:
Inventory:2,553
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Product details
Overview
ATF1504ASL-25JI84 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 3.3V or 5.0V I/O, and features JTAG-based in-system programmability (ISP) compliant with IEEE 1149.1. It is used in industrial control logic consolidation, legacy TTL replacement, and PCI-compliant interface bridging.
For engineers reviewing the ATF1504ASL-25JI84 datasheet, ATF1504ASL-25JI84 pinout, ATF1504ASL-25JI84 application, or ATF1504ASL-25JI84 equivalent, this page delivers verified technical context, package-specific pin mapping, real-world use cases, and validated alternative CPLDs for migration or sourcing continuity - all grounded in the official Atmel/Microchip 0950N–PLD–07/02 datasheet and ordering documentation.
Technical Context
The ATF1504ASL-25JI84 implements a hierarchical PLD architecture with four logic blocks, each fed by a global bus carrying up to 68 signals (I/Os + 64 buried macrocell feedbacks) and regional foldback buses enabling 16-term cascaded sum logic. Its macrocell supports D/T/latch flip-flops, programmable output slew rate, open-collector outputs, and individual register clock enable via product terms.
It integrates three global clock pins (GCLK1–GCLK3), input transition detection (ITD) on clocks/I/Os, VCC power-up reset with selectable hysteresis, and JTAG boundary-scan with BSDL compliance. Power management includes automatic µA standby ('L' version), pin-controlled 1 mA power-down mode, per-macrocell reduced-power bit, and programmable pin-keeper circuits on all inputs and I/Os.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Density | 64 macrocells - enables integration of multiple TTL/SSI/MSI functions into single device |
| Pin-to-pin Delay | 7.5 ns (–25 speed grade) - guarantees timing closure for 125 MHz registered logic |
| Max Clock Frequency | 125 MHz internal global clock - supports high-speed synchronous state machines |
| I/O Voltage Support | 3.3V or 5.0V - allows direct interfacing with mixed-voltage systems without level shifters |
| Program/Erase Cycles | 10,000 cycles - ensures field reprogrammability over extended product lifecycle |
| Data Retention | 20 years - maintains configuration integrity in unpowered industrial environments |
| ESD Protection | 2000V HBM - withstands handling and board-level electrostatic discharge events |
Pinout & Package
ATF1504ASL-25JI84 is packaged in an 84-lead PLCC (Plastic Leaded Chip Carrier) with 0.050" lead pitch, RoHS-compliant matte tin finish, and industrial temperature range (–40°C to +85°C). The 'J' suffix denotes PLCC; 'I84' confirms 84-pin variant.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1–11, 13–22, 24–32, 34–43, 45–54, 56–65, 67–76, 78–84 | I/O | Bidirectional user-configurable logic I/O with programmable slew rate, open-collector option, and pin-keeper |
| 12, 23, 33, 44, 55, 66, 77 | GND | Ground reference for signal integrity and power return paths |
| 17, 28, 40, 51, 62, 73 | VCCIO | 3.3V or 5.0V I/O supply - decoupling required per JEDEC PLCC layout guidelines |
| 39, 50, 61 | VCCINT | Core logic supply - must be 5.0V ±10% for industrial operation |
| 7, 18, 30, 41, 52, 63, 74 | GCLK1/GCLK2/GCLK3 | Global clock inputs - support synchronous logic across all 64 macrocells |
| 6, 16, 27, 38, 49, 60, 71 | GCLR / OE1 / OE2 | Dedicated global control pins - configurable as asynchronous clear, output enable, or general inputs |
| 5, 15, 26, 37, 48, 59, 70 | PD1 / PD2 | Power-down control - high-active assertion reduces ICC to <10 mA while latching outputs and registers |
| 1, 2, 3, 4 | TCK/TMS/TDI/TDO | JTAG boundary-scan and ISP interface - supports IEEE 1149.1 testing and in-circuit programming |
Key Features
| Feature | Design Value |
|---|---|
| In-system programmability (ISP) | Enables firmware updates and design iterations without device removal using standard JTAG interface |
| Programmable pin-keeper circuits | Eliminates need for external pull-ups on unused I/Os, reducing BOM cost and system noise |
| Per-macrocell reduced-power bit | Lowers dynamic power consumption selectively - critical for thermally constrained industrial enclosures |
| PCI-compliant I/O drivers | Meets PCI electrical specs (high drive, low skew) without external buffers - simplifies add-in card designs |
| Security fuse + 16-bit User Signature | Protects intellectual property while allowing traceability (project ID, revision, date) even with fuse enabled |
Applications
| Industrial PLC I/O Expansion | Legacy System TTL Replacement |
|---|---|
|
Use Scenario: Adding discrete I/O points to programmable logic controllers in factory automation cabinets where space and thermal budget are constrained. IC Role / Device Role / Timing Role: Configurable glue logic implementing address decoding, interrupt arbitration, and parallel port expansion with deterministic 7.5 ns propagation. Use Value: Replaces 8–12 discrete 74-series ICs, reducing PCB area by >60% and eliminating interconnect skew in time-critical scan cycles. |
Use Scenario: Modernizing aging test equipment control boards originally built with 74LS and PAL devices that are no longer available. IC Role / Device Role / Timing Role: Drop-in functional replacement for obsolete PAL16L8/PAL20L8 with identical pin-compatible logic equations and timing behavior. Use Value: Restores production continuity without redesigning schematics or layouts - leverages existing JEDEC fuse map tools. |
| PCI Bus Interface Bridge | Motor Control State Machine |
|
Use Scenario: Implementing custom command sequencers and status multiplexers between microcontrollers and PCI peripheral slots in embedded instrumentation. IC Role / Device Role / Timing Role: PCI-compliant I/O buffer with programmable drive strength and <1 ns output-to-output skew for reliable 33 MHz data capture. Use Value: Meets PCI SIG electrical requirements without external bus transceivers - cuts component count and signal integrity risk. |
Use Scenario: Managing multi-phase stepper motor sequencing, current limiting, and fault monitoring in closed-loop motion controllers. IC Role / Device Role / Timing Role: Synchronous state machine with 125 MHz register clocking, fast input transition detection (ITD), and glitch-free output enable control. Use Value: Guarantees sub-microsecond response to overcurrent interrupts while maintaining deterministic commutation timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CPLD applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ATF1504AS-25JI84 | No automatic µA standby; higher ICC1 (130 mA vs. 10 µA); same logic resources and pinout | Suitable for non-battery-powered industrial systems where standby current is not critical | Select when lowest quiescent power is not required and legacy 'AS' binning suffices |
| XC9572XL-10TQ100C | Xilinx 72-macrocell CPLD; 10 ns tPD; 3.3V-only; different JTAG BSDL and fitter toolchain | Requires full HDL re-synthesis and timing closure; no 5V I/O compatibility | Choose only if migrating to Xilinx ecosystem and 5V tolerance is unnecessary |
Compared with ATF1504ASL-25JI84, the ATF1504AS-25JI84 trades ultra-low standby power for broader voltage margin and simpler power sequencing, while the XC9572XL-10TQ100C offers higher density but mandates toolchain and voltage architecture changes - making the ATF1504ASL-25JI84 optimal for drop-in 5V/3.3V industrial replacements requiring µA-level sleep current.
Availability
ATF1504ASL-25JI84 is available at Aetrix Electronics and suitable for industrial PLC upgrades, legacy TTL consolidation, and PCI interface bridging requiring stable component supply across extended product lifecycles.
Supply support for ATF1504ASL-25JI84 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(L) CPLD family, including datasheets, programming tools, and long-term manufacturing commitments.
The ATF1504AS(L) series was designed for high-reliability industrial logic consolidation - delivering electrically-erasable reprogrammability, PCI compliance, and ultra-low-power standby in legacy-compatible PLCC and TQFP packages.
FAQ
What is the operating temperature range for ATF1504ASL-25JI84?
ATF1504ASL-25JI84 is rated for industrial temperature operation from –40°C to +85°C. This is confirmed in the DC Operating Conditions table of the official datasheet (Rev. 0950N–PLD–07/02), where VCCIO and VCCINT tolerances are specified for this range. The 'I' in the part number explicitly denotes industrial grade, distinguishing it from commercial-grade variants.
Does ATF1504ASL-25JI84 support both 3.3V and 5.0V I/O interfaces?
Yes, ATF1504ASL-25JI84 supports dual-voltage I/O: VCCIO may be set to either 3.0–3.6V or 4.5–5.5V, as specified in the DC Characteristics table. This allows direct interfacing with mixed-voltage systems - for example, connecting to 3.3V microcontrollers while driving 5V TTL peripherals - without external level shifters.
How does the power-down mode function on ATF1504ASL-25JI84?
ATF1504ASL-25JI84 features pin-controlled power-down: asserting PD1 or PD2 high reduces ICC to under 10 mA while latching all register states and outputs. Inputs (except PD pins) are blocked, and pin-keeper circuits prevent floating. This mode is enabled in the design source file and is fully documented in the Power-down Mode section (page 15) of the datasheet.
Is ATF1504ASL-25JI84 compatible with IEEE 1149.1 boundary-scan testing?
Yes, ATF1504ASL-25JI84 fully supports IEEE Std. 1149.1-1990 and 1149.1a-1993 boundary-scan testing. It includes dedicated TCK/TMS/TDI/TDO pins, a compliant TAP controller, and a complete BSDL file. The device also supports SAMPLE/PRELOAD, EXTEST, BYPASS, IDCODE, and HIGHZ JTAG instructions as defined in the JTAG-BST/ISP section (page 16).
What packaging and lead finish does ATF1504ASL-25JI84 use?
ATF1504ASL-25JI84 uses an 84-lead PLCC (Plastic Leaded Chip Carrier) package with 0.050" lead pitch and matte tin (Sn) lead finish compliant with RoHS Directive 2011/65/EU. The 'J' in the part number identifies PLCC, and 'I84' confirms the 84-pin industrial variant - verified in the Ordering Information and Package Drawings sections of the datasheet.
ATF1504ASL-25JI84 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- ATF15xx
- Package/Case:
- 84-LCC (J-Lead)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Programmable Type:
- In System Programmable (min 10K program/erase cycles)
- Delay Time tpd(1) Max:
- 25 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)
ATF1504ASL-25JI84 FAQ
1.How can I place an order for ATF1504ASL-25JI84 through Aetrix?
Please submit a Request for Quotation (RFQ) for ATF1504ASL-25JI84 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 ATF1504ASL-25JI84 reliable?
The price and inventory of ATF1504ASL-25JI84 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATF1504ASL-25JI84 is usually 5 days.
3.What payment methods are accepted for ATF1504ASL-25JI84?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATF1504ASL-25JI84 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATF1504ASL-25JI84?
ATF1504ASL-25JI84 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATF1504ASL-25JI84 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 ATF1504ASL-25JI84?
For technical support, including ATF1504ASL-25JI84 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATF1504ASL-25JI84 requirements.
6.How does Aetrix verify that ATF1504ASL-25JI84 is sourced from the original manufacturer or authorized distributors?
All ATF1504ASL-25JI84 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 ATF1504ASL-25JI84 meets industry standards.
7.What is the process for return or replacement of ATF1504ASL-25JI84?
All ATF1504ASL-25JI84 units undergo pre-shipment inspection (PSI). If there is an issue with ATF1504ASL-25JI84, 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 ATF1504ASL-25JI84 part is unused and in its original packaging.
Return procedure for ATF1504ASL-25JI84:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ATF1504ASL-25JI84 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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