Infineon Technologies CY37064VP44-100AXCT
- Part No.:
- CY37064VP44-100AXCT
- Manufacturer:
- Infineon Technologies
- Package:
- 44-LQFP
- Datasheet:
-
CY37064VP44-100AXCT.pdf
- Description:
- IC CPLD 64MC 12NS 44TQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,490
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Product details
Overview
CY37064VP44-100AXCT from Cypress Semiconductor is a 64-macrocell In-System Reprogrammable (ISR™) Complex Programmable Logic Device (CPLD) in a 44-pin TQFP package, operating at 5V with 100 MHz maximum frequency (fMAX) and 6 ns propagation delay (tPD). It features four synchronous clocks, five dedicated inputs (including four clock pins), programmable bus-hold on all I/Os, and JTAG-compliant ISR for field reconfiguration without pinout or timing changes. Used in PCI-compliant interface logic, legacy bus bridging, and control plane glue logic.
For engineers reviewing the CY37064VP44-100AXCT datasheet, CY37064VP44-100AXCT pinout, CY37064VP44-100AXCT application, or CY37064VP44-100AXCT equivalent, key selection criteria include macrocell count, I/O count (37 usable), tPD/fMAX speed bin, VCCO voltage flexibility (5V/3.3V I/O support), and JTAG-based ISR capability for post-deployment logic updates.
Technical Context
The CY37064VP44-100AXCT implements the Ultra37000 architecture with two logic blocks, each containing a 72×87 product term array, intelligent product term allocator (0–16 terms per macrocell), and 16 macrocells (mix of I/O and buried). All signals route through a fully global Programmable Interconnect Matrix (PIM) with no route-dependent delays-worst-case PIM delay is embedded in published tPD.
It supports flexible clocking: four global synchronous clocks (CLK0–CLK3) with polarity control, plus one asynchronous product term clock (PTCLK); all macrocells accept any clock source. Dedicated input/clock pins provide configurable combinatorial, registered, double-registered, or latched input modes with selectable clock assignment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Macrocell Count | 64 total - enables medium-complexity glue logic, state machines, and protocol translation without FPGA overhead. |
| Max Frequency (fMAX) | 100 MHz - supports synchronous operation up to 10 ns clock period in critical control paths. |
| Propagation Delay (tPD) | 6 ns - guarantees deterministic timing across full temperature/voltage range; no fanout or expander penalties. |
| I/O Pins | 37 user-programmable I/Os - matches 44-pin TQFP pinout with 5 dedicated inputs (4 clocks + 1 general). |
| Supply Voltage | 5V VCC with 3.3V/5V-tolerant I/O (via VCCO pins) - allows direct interfacing to both 3.3V and 5V buses without level shifters. |
| ISR Interface | JTAG-compliant TDI/TDO/TCK/TMS - enables in-circuit reprogramming, boundary scan testing, and design iteration without board removal. |
| Bus-Hold | Programmable on all I/Os - eliminates external pull-ups, maintains last state during high-Z, reduces noise in shared bus environments. |
Pinout & Package
Package: 44-pin Thin Quad Flat Package (TQFP), 10 mm × 10 mm, 0.8 mm pitch, RoHS-compliant and lead-free (XCT suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TCK, TMS, TDI, TDO | JTAG Test Access Port | Enable IEEE 1149.1 boundary scan and ISR programming; no additional configuration pins required. |
| CLK0–CLK3 | Dedicated Clock Inputs | Four independent synchronous clock sources; each configurable for rising/falling edge triggering per logic block. |
| VCC, GND | Power Supply | Single 5V core supply; separate VCCO pins (pins 1, 22, 44) set I/O voltage level (3.3V or 5V). |
| I/O[0]–I/O[36] | Configurable Bidirectional I/O | All support bus-hold, slew-rate control (fast/slow), and programmable polarity; 37 pins available after dedicating 5 inputs. |
| TDI, TDO, TCK, TMS, CLK0–CLK3, VCC, GND, VCCO | Mixed Signal Terminals | No dual-function pins; JTAG and clock pins are hardwired, ensuring deterministic routing and timing predictability. |
Key Features
| Feature | Design Value |
|---|---|
| In-System Reprogrammability (ISR) | JTAG-based field updates preserve pinout and timing-enables firmware-driven logic patches without hardware revision. |
| Flexible Clock Architecture | Four global clocks + one product-term clock per logic block; polarity control per clock allows mixed-edge designs in same device. |
| Intelligent Product Term Allocation | 0–16 product terms assignable per macrocell; steering and sharing occur automatically without speed penalty or manual routing. |
| PCI Compliance | Meets electrical and timing requirements of PCI Local Bus Specification Rev. 2.2-supports direct attachment to 33 MHz PCI bus. |
| Programmable Slew Rate | Per-output fast/slow edge selection-reduces EMI in noise-sensitive systems while maintaining performance where needed. |
Applications
| PCI Bus Interface Logic | Legacy System Glue Logic |
|---|---|
Use Scenario: Bridging between PCI bus and custom ASIC or microcontroller peripherals in industrial control chassis. IC Role / Device Role / Timing Role: CPLD implements address decoding, burst termination, parity generation, and bus arbitration logic with deterministic 6 ns tPD. Use Value: Eliminates discrete TTL logic; JTAG ISR allows late-stage PCI timing tuning and protocol bug fixes without respin. | Use Scenario: Replacing obsolete PAL/GAL devices in aging test equipment requiring 5V-compatible control logic. IC Role / Device Role / Timing Role: Configurable state machine and I/O expander managing relay banks, sensor muxes, and LED indicators. Use Value: 37 I/Os and 64 macrocells replace multiple legacy devices; bus-hold prevents floating inputs during power sequencing. |
| Embedded Control Plane Logic | Prototyping Platform Glue |
Use Scenario: Managing boot sequence, reset coordination, and peripheral enable signals in 5V microcontroller-based medical devices. IC Role / Device Role / Timing Role: Synchronous logic block synchronizes reset propagation across multiple voltage domains using CLK0–CLK3. Use Value: Four independent clocks allow domain-specific timing; programmable slew rate meets Class B EMC limits. | Use Scenario: Rapid interconnection of FPGA development boards with off-the-shelf 5V peripherals (ADCs, DACs, displays). IC Role / Device Role / Timing Role: Level-shifting, signal conditioning, and protocol adaptation layer between mismatched logic families. Use Value: VCCO pins support 3.3V FPGA I/O and 5V peripheral I/O simultaneously; JTAG simplifies iterative debug cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CPLD-based interface logic applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XC9572XL-10VQG44C | 72 macrocells, 3.3V-only supply, 10 ns tPD, non-JTAG ISP (JTAG only for boundary scan) | Lacks true ISR-requires external programming circuitry; no 5V I/O tolerance | Select if migrating to 3.3V-only system with higher macrocell density and lower static power. |
| ATF1502AS-10AU44 | 5V supply, 72 macrocells, 10 ns tPD, JTAG ISP, but no bus-hold or programmable slew rate | No internal bus-hold requires external pull-ups; less EMI control than CY37064VP44-100AXCT | Select if cost sensitivity outweighs bus-hold requirement and EMI constraints are relaxed. |
Compared with XC9572XL-10VQG44C and ATF1502AS-10AU44, the CY37064VP44-100AXCT uniquely combines 5V operation, 3.3V/5V I/O tolerance, JTAG-based ISR, and programmable bus-hold-making it optimal for PCI-compliant, field-upgradable, mixed-voltage industrial control logic.
Availability
CY37064VP44-100AXCT is available at Aetrix Electronics and suitable for PCI interface logic, legacy system replacement, and embedded control plane applications requiring stable component supply, long-lifecycle support, and verified 5V/3.3V interoperability.
Supply support for CY37064VP44-100AXCT 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
Cypress Semiconductor (now part of Infineon Technologies) is a U.S.-based semiconductor company specializing in programmable logic, memory, and mixed-signal solutions for industrial, automotive, and communications markets.
The Ultra37000 CPLD family was designed to deliver high-density, pin-compatible, ISR-capable logic replacement for legacy PAL/GAL devices-targeting PCI-compliant systems, industrial control, and rapid-prototyping platforms requiring zero-pin-change design iteration.
FAQ
What is the difference between CY37064VP44-100AXCT and CY37064V-100AXCT?
The "P" in CY37064VP44-100AXCT explicitly denotes the 44-pin TQFP package (per Cypress naming convention), whereas CY37064V-100AXCT omits package code and is not a valid orderable part number. The full part number confirms 44-pin TQFP, 5V core, 100 MHz speed grade, lead-free (XCT), and commercial temperature range (C).
Does CY37064VP44-100AXCT support 3.3V I/O when powered by 5V VCC?
Yes. VCCO pins (1, 22, 44) must be tied to 3.3V to configure I/Os for 3.3V JEDEC CMOS levels; outputs remain 5V-tolerant. This enables safe interfacing with 3.3V FPGAs or microcontrollers while maintaining 5V core operation and JTAG programming voltage compliance.
Can the four dedicated clock inputs be used as general-purpose I/Os?
No. CLK0–CLK3 are hardwired dedicated inputs and cannot be reassigned as user I/Os. The device has exactly five dedicated input pins (four clocks + one general), fixed per Ultra37000 architecture-this ensures timing predictability and eliminates clock routing congestion in the PIM.
Is boundary scan supported independently of ISR functionality?
Yes. Boundary scan (IEEE 1149.1) and ISR share the same JTAG port (TCK/TMS/TDI/TDO) but operate under separate instruction registers. Boundary scan can verify PCB interconnect integrity without altering device configuration, while ISR reprograms logic equations-all without requiring additional pins or mode strapping.
CY37064VP44-100AXCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- Ultra37000™
- Package/Case:
- 44-LQFP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Programmable Type:
- In-System Reprogrammable™ (ISR™) CMOS
- Delay Time tpd(1) Max:
- 12 ns
- Voltage Supply - Internal:
- 3V ~ 3.6V
- Number of Logic Elements/Blocks:
- -
- Number of Macrocells:
- 64
- Number of Gates:
- -
- Number of I/O:
- 37
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 44-TQFP (10x10)
CY37064VP44-100AXCT FAQ
1.How can I place an order for CY37064VP44-100AXCT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY37064VP44-100AXCT 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 CY37064VP44-100AXCT reliable?
The price and inventory of CY37064VP44-100AXCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY37064VP44-100AXCT is usually 5 days.
3.What payment methods are accepted for CY37064VP44-100AXCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY37064VP44-100AXCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY37064VP44-100AXCT?
CY37064VP44-100AXCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY37064VP44-100AXCT 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 CY37064VP44-100AXCT?
For technical support, including CY37064VP44-100AXCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY37064VP44-100AXCT requirements.
6.How does Aetrix verify that CY37064VP44-100AXCT is sourced from the original manufacturer or authorized distributors?
All CY37064VP44-100AXCT 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 CY37064VP44-100AXCT meets industry standards.
7.What is the process for return or replacement of CY37064VP44-100AXCT?
All CY37064VP44-100AXCT units undergo pre-shipment inspection (PSI). If there is an issue with CY37064VP44-100AXCT, 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 CY37064VP44-100AXCT part is unused and in its original packaging.
Return procedure for CY37064VP44-100AXCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY37064VP44-100AXCT 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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