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Microchip Technology ATF1500A-10JU
- Part No.:
- ATF1500A-10JU
- Manufacturer:
- Microchip Technology
- Package:
- 44-LCC (J-Lead)
- Datasheet:
-
ATF1500A-10JU.pdf
- Description:
- IC CPLD 32MC 10NS 44PLCC
- Quantity:
- Payment:
- Shipping:
Inventory:435
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Product details
Overview
ATF1500A-10JU from Microchip Technology (formerly Atmel) is a 44-pin, 32-I/O electrically erasable complex programmable logic device (CPLD) with 7.5 ns maximum pin-to-pin delay, 125 MHz registered operation, and Flash-based reprogrammability. It integrates TTL/SSI/MSI logic in industrial temperature applications requiring deterministic timing and non-volatile configuration retention.
For engineers reviewing the ATF1500A-10JU datasheet, ATF1500A-10JU pinout, ATF1500A-10JU application, or ATF1500A-10JU equivalent, this page delivers verified package mapping (44-lead PLCC), confirmed I/O architecture (32 bi-directional + 4 dedicated inputs), validated power-down behavior (10 mA standby), macrocell flexibility (D/T/latch configurable flip-flops), and real-world design constraints including pin-keeper activation and slew-rate control per output.
Technical Context
The ATF1500A-10JU implements a fully connected global bus feeding all 32 macrocells with 68-bit signal availability (inputs, I/Os, buried feedback), enabling logic placement without pinout changes. Its regional bus provides foldback logic to 16-macrocell groups for high-fan-in sum-term generation up to 40 product terms via four cascade chains.
Each macrocell supports product-term clocking or global CLK input, asynchronous reset (GCLR), dual OE pins (OE1/OE2), and programmable output enable routing. The PD pin enables pin-controlled power-down mode (<10 mA), latching internal states and outputs while blocking all inputs except PD itself.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Density | 32 macrocells with 36 total inputs and 32 I/Os - sufficient to replace multiple 74-series TTL or classic PLDs in glue logic consolidation. |
| Propagation Delay | 7.5 ns max pin-to-pin (tPD) - guarantees sub-10 ns timing closure for high-speed control paths in industrial interfaces. |
| Maximum Frequency | 125 MHz internal feedback operation - supports synchronous state machines running at >100 MHz system clocks. |
| Supply Voltage | 5 V ±10% (industrial range) - compatible with legacy 5 V logic families and tolerant of rail variation in noisy environments. |
| Standby Current | 10 mA max in pin-controlled power-down mode - reduces idle power in battery-backed or energy-sensitive systems. |
| Operating Temperature | -40°C to +85°C - qualified for industrial automation, motor control, and embedded instrumentation deployments. |
| Reprogrammability | 100 program/erase cycles with 20-year data retention - enables field firmware updates and long-lifecycle maintenance without hardware change. |
Pinout & Package
ATF1500A-10JU is packaged in a 44-lead Plastic J-Leaded Chip Carrier (PLCC), 17.5 mm × 17.5 mm body, 1.27 mm lead pitch, RoHS-compliant and Pb/halide-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK | Global clock input | Primary synchronous edge-trigger source for all macrocells; rising-edge sensitive with optional product-term clock enable. |
| GCLR | Asynchronous register reset (active low) | Global asynchronous clear signal; can be OR'd with product-term reset for selective macrocell clearing. |
| OE1, OE2 | Output enable (active low) | Two independent global OE signals; each assignable per macrocell to control tri-state behavior or permanent enable/disable. |
| PD | Power-down control (active high) | Enters <10 mA standby when high; latches outputs and internal logic; disables all inputs except PD itself. |
| VCC | +5 V supply | Single 5 V rail powers core logic and I/O buffers; requires local decoupling due to dynamic current spikes during switching. |
| GND | Ground reference | Four dedicated ground pins (pins 4, 23, 35, 40) minimize ground bounce across I/O banks and support stable timing margins. |
| I/O | Bi-directional logic buffer | All 32 I/O pins support programmable pin-keeper (prevents floating), slew-rate control (slow/fast), and configurable direction per macrocell. |
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 slow/fast selection - reduces EMI on non-critical buses while preserving speed on timing-critical paths like address strobes. |
| Pin-keeper circuitry | Active on all I/O and input pins - eliminates need for external pull-ups, prevents floating-induced shoot-through current and noise in unused pins. |
| Global/regional bus architecture | 68-bit global bus + 16-signal regional bus - removes routing bottlenecks and allows logic modifications without PCB respin. |
| Security fuse | One-time programmable fuse blocks JEDEC file readback - protects proprietary logic design from reverse engineering or unauthorized duplication. |
Applications
| Industrial Motor Control Interface | Legacy System Glue Logic Replacement |
|---|---|
Use Scenario: Interfacing microcontroller GPIOs to stepper driver enable/control lines, limit switches, and encoder quadrature inputs in CNC motion controllers. IC Role / Device Role / Timing Role: CPLD acts as timing-critical combinatorial and registered logic hub, synchronizing asynchronous sensor inputs and generating precise pulse-width modulated enable signals. Use Value: 7.5 ns tPD ensures deterministic response to emergency stop signals; pin-keeper prevents spurious actuation during microcontroller reset sequences. |
Use Scenario: Replacing discrete 74LS series logic and PAL devices on aging telecom line card PCBs requiring field-upgradable functionality. IC Role / Device Role / Timing Role: Configurable logic fabric implementing address decoding, bus arbitration, and status multiplexing between legacy ASICs and new FPGA subsystems. Use Value: 100-program/erase cycles allow iterative firmware updates; 5 V tolerance matches legacy board voltage rails without level-shifting components. |
| Automated Test Equipment (ATE) Pattern Generator | Medical Instrument Digital Sequencer |
Use Scenario: Generating synchronized multi-channel digital stimulus waveforms (up to 32 channels) for IC functional testing under industrial ambient conditions. IC Role / Device Role / Timing Role: High-speed registered logic block producing phase-aligned, jitter-controlled output patterns using internal feedback paths. Use Value: 125 MHz registered operation supports >100 MHz pattern rates; programmable slew rate minimizes crosstalk between adjacent test channels. |
Use Scenario: Controlling sequencing of analog front-end calibration routines, ADC sampling triggers, and display update timing in portable diagnostic devices. IC Role / Device Role / Timing Role: Deterministic state machine managing time-critical handshaking between microcontroller, sensors, and power management ICs. Use Value: Power-up reset guarantees known initial state for safety-critical startup; -40°C to +85°C rating ensures reliability across clinical environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CPLD applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ATF1502AS-10JU | Pin-compatible upgrade with higher density (64 macrocells), same 44J package and 5 V operation; supports faster 5 ns tPD grade. | Enables migration path for designs needing expanded logic capacity without layout change; retains identical I/O structure and toolchain compatibility. | Select when future scalability or tighter timing margins are required; requires updated JEDEC programming files but no PCB modification. |
| XCR3256XL-10TQ144I | 3.3 V-only operation, different 144-pin TQFP package, and CoolRunner-II architecture; lacks pin-keeper and has lower I/O count (128 vs 32 usable). | Suitable only where 3.3 V system integration and lower static power are prioritized over 5 V compatibility and industrial temperature support. | Choose only if migrating entire platform to 3.3 V logic; not drop-in - requires voltage translation, PCB redesign, and toolchain requalification. |
Compared with ATF1500A-10JU, ATF1502AS-10JU offers scalable logic headroom within identical mechanical and electrical constraints, while XCR3256XL-10TQ144I demands full system-level redesign due to voltage, package, and feature mismatches - making ATF1500A-10JU the optimal choice for maintaining 5 V industrial legacy systems.
Availability
ATF1500A-10JU is available at Aetrix Electronics and suitable for industrial motor control, legacy system upgrades, automated test equipment, and medical instrument sequencing requiring stable component supply and long-term lifecycle assurance.
Supply support for ATF1500A-10JU 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 legacy Atmel PLD products, including documentation, programming tools, and obsolescence mitigation.
The ATF1500A family was designed for industrial-grade, non-volatile, reprogrammable glue logic replacement - targeting applications where 5 V compatibility, deterministic timing, and field-upgradability are critical.
FAQ
What is the operating temperature range for the ATF1500A-10JU?
The ATF1500A-10JU is rated for industrial operation from -40°C to +85°C. This specification is guaranteed per the datasheet's DC and AC operating conditions table and applies to all functional parameters including propagation delay, setup/hold times, and power consumption. The "I" suffix in the ordering code explicitly denotes industrial temperature qualification, and the PLCC package (44J) is thermally validated for this range.
Does the ATF1500A-10JU support in-system programming?
Yes, the ATF1500A-10JU supports in-system programming via IEEE 1149.1 (JTAG) boundary-scan interface. Programming is performed using standard JEDEC files and compatible programmers such as the Atmel-ICE or third-party tools supporting Flash-based CPLDs. No external UV eraser or socket programming is required - the device is reprogrammable 100 times in-circuit.
How does the pin-keeper feature function on the ATF1500A-10JU?
The ATF1500A-10JU includes programmable pin-keeper circuits on all I/O and input pins. When enabled in the design file, the keeper holds the last driven logic state (high or low) after the driving source goes inactive - preventing floating inputs that cause shoot-through current or noise. It eliminates external pull-up resistors and associated DC power loss, and is disabled by default unless explicitly configured in the HDL or ABEL source.
What is the purpose of the PD pin on the ATF1500A-10JU?
The PD (Power-Down) pin on the ATF1500A-10JU enables a pin-controlled low-power mode. When asserted high (and enabled in the design file), it reduces supply current to below 10 mA while latching all internal logic states and outputs. Inputs other than PD are blocked, and pin-keeper circuits remain active to prevent floating. The PD pin cannot serve as a logic input/output when power-down is enabled, though its macrocell resources remain usable for foldback logic.
Is the ATF1500A-10JU pin-compatible with other ATF1500A variants?
Yes, the ATF1500A-10JU shares identical pinout and package (44J PLCC) with all other ATF1500A-10x variants, including ATF1500A-10AI and ATF1500A-10AC. Speed grade (-10) and temperature grade (I = industrial) determine timing performance and operating range, but mechanical and electrical connectivity remains consistent across these variants - enabling drop-in substitution where thermal and timing margins permit.
ATF1500A-10JU Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- ATF15xx
- Package/Case:
- 44-LCC (J-Lead)
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Verified
- Programmable Type:
- In System Programmable (min 100 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:
- 32
- Number of Gates:
- -
- Number of I/O:
- 32
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 44-PLCC (16.6x16.6)
ATF1500A-10JU FAQ
1.How can I place an order for ATF1500A-10JU through Aetrix?
Please submit a Request for Quotation (RFQ) for ATF1500A-10JU 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 ATF1500A-10JU reliable?
The price and inventory of ATF1500A-10JU are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATF1500A-10JU is usually 5 days.
3.What payment methods are accepted for ATF1500A-10JU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATF1500A-10JU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATF1500A-10JU?
ATF1500A-10JU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATF1500A-10JU 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 ATF1500A-10JU?
For technical support, including ATF1500A-10JU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATF1500A-10JU requirements.
6.How does Aetrix verify that ATF1500A-10JU is sourced from the original manufacturer or authorized distributors?
All ATF1500A-10JU 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 ATF1500A-10JU meets industry standards.
7.What is the process for return or replacement of ATF1500A-10JU?
All ATF1500A-10JU units undergo pre-shipment inspection (PSI). If there is an issue with ATF1500A-10JU, 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 ATF1500A-10JU part is unused and in its original packaging.
Return procedure for ATF1500A-10JU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ATF1500A-10JU 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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