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Home > Products > Integrated Circuits (ICs) > Embedded > CPLDs (Complex Programmable Logic Devices)

Infineon Technologies CY37128VP160-83AXIT

Name: CY37128VP160-83AXIT
Brand: Infineon Technologies
SKU: CY37128VP160-83AXIT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: CY37128VP160-83AXIT

Manufacturer:: Infineon Technologies

Category:: CPLDs (Complex Programmable Logic Devices)

Package:: 160-LQFP

Datasheet:: CY37128VP160-83AXIT.pdf

Description:: IC CPLD 128MC 15NS 160TQFP

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Product details

Overview

CY37128VP160-83AXIT from Cypress Semiconductor is a 3.3V In-System Reprogrammable (ISR™) Complex Programmable Logic Device (CPLD) in the Ultra37000 family, featuring 128 macrocells, 160 I/O pins, and a 83 MHz maximum operating frequency (f_MAX). It implements a programmable interconnect matrix (PIM) architecture with four synchronous clocks per logic block, product-term clocking, and programmable bus-hold on all I/Os. It is used in PCI-compliant interface logic, legacy bus bridging, and FPGA configuration management.

For engineers reviewing the CY37128VP160-83AXIT datasheet, CY37128VP160-83AXIT pinout, CY37128VP160-83AXIT application, or CY37128VP160-83AXIT equivalent, key selection criteria include its 160-pin TQFP package, 3.3V V_CC/V_CCO operation with 5V-tolerant I/Os, JTAG-based ISR capability, and fixed timing model enabling design iteration without pinout or timing revalidation.

Technical Context

The CY37128VP160-83AXIT integrates eight logic blocks, each with 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 macrocells support D/T/latch configurations, asynchronous set/reset via dedicated product terms, and polarity-controlled clocking from four global synchronous clocks or one product-term clock.

Its Programmable Interconnect Matrix (PIM) delivers 36 inputs per logic block (plus complements), routes all I/O and feedback signals globally, and incorporates worst-case PIM delay into published t_PD (10 ns) and f_MAX (125 MHz for -125 speed bin; this part is -83, f_MAX = 83 MHz). Bus-hold and slew-rate control are individually programmable per I/O pin.

Key Specifications

Parameter	Value and Actual Design Meaning
Macrocell Count	128 macrocells distributed across eight logic blocks - enables medium-complexity glue logic, state machines, and protocol translation without external logic.
Max Operating Frequency	83 MHz (f_MAX) - supports synchronous logic at 12 ns clock period for PCI-X 33 MHz bus interfacing and control-plane timing.
Propagation Delay	10 ns (t_PD) - guaranteed worst-case path delay from input to registered output, independent of fanout or PIM routing.
I/O Pins	160 user-programmable I/Os in TQFP package - provides high pin density for parallel bus interfaces (e.g., ISA, LPC, or custom memory-mapped peripherals).
Supply Voltage	3.3V V_CC with 3.3V V_CCO - ensures JEDEC-compliant 3.3V CMOS output levels and 5V-tolerant inputs, eliminating level-shifter requirements in mixed-voltage systems.
JTAG Interface	IEEE 1149.1-compliant boundary scan and ISR - enables in-circuit reprogramming, debug visibility, and production test without removing the device.
Bus-Hold Enable	Per-pin programmable bus-hold - maintains last valid logic state on floating I/Os, reducing board-level noise and simplifying prototyping with unconnected pins.

Pinout & Package

Package: 160-lead Thin Quad Flat Package (TQFP), 24 × 24 mm body, 0.5 mm pitch, RoHS-compliant and lead-free.

Pin/Terminal	Circuit Role	Design Meaning
TCK, TMS, TDI, TDO	JTAG Test Access Port	Enable boundary scan testing and in-system reprogramming; require pull-up/pull-down per IEEE 1149.1; no external clock needed for ISP.
CLK0–CLK3	Dedicated Synchronous Clock Inputs	Four globally distributed clocks per logic block; each configurable for rising/falling edge triggering; used for register synchronization.
PTCLK	Product Term Clock Input	Asynchronous clock derived from local product term logic; enables event-driven state transitions independent of global clocks.
V_CC, V_CCO, GND	Power and Ground	V_CC = 3.3V core supply; V_CCO = 3.3V I/O supply (must match V_CC); separate V_CCO pins allow localized decoupling near I/O banks.
I/O[0]–I/O[159]	Programmable Bidirectional I/O	Each supports input, output, or bidirectional mode; includes programmable bus-hold, slew rate (fast/slow), and output polarity inversion.

Key Features

Feature	Design Value
In-System Reprogrammability (ISR™)	Enables field firmware updates and design iterations without changing PCB layout or timing constraints-JTAG programming preserves pin assignments and system timing.
Fixed Timing Model	Eliminates fanout, expander, PIM-routing, and product-term-sharing delays from timing analysis-designs meet timing on first compile with no route-dependent margining.
Intelligent Product Term Allocator	Dynamically assigns 0–16 product terms per macrocell and shares terms across groups of four macrocells-maximizes logic utilization without performance penalty.
PCI Compatibility	Meets PCI Local Bus Specification electrical and timing requirements (including VIH = 2.0V min, 5V-tolerant inputs)-enables direct connection to 3.3V or 5V PCI slots.
Programmable Slew Rate	Per-pin fast/slow edge control-reduces EMI in noise-sensitive environments (slow) or maximizes setup/hold margins in high-speed control paths (fast).

Applications

PCI Interface Logic

Legacy Bus Bridging

Use Scenario: Implementing address decoding, bus arbitration, and protocol conversion between PCI and proprietary parallel buses in industrial controllers.

IC Role / Device Role / Timing Role: CPLD acts as a synchronous bridge controller with registered I/Os, using CLK0 for PCI clock domain and PTCLK for asynchronous request acknowledgment.

Use Value: 160 I/Os support full 32-bit PCI data/address multiplexing plus control lines; 83 MHz f_MAX meets PCI 33 MHz timing with margin; 5V-tolerant inputs eliminate level shifters.

Use Scenario: Replacing discrete TTL logic in aging medical equipment to extend service life while maintaining form-factor and signal integrity.

IC Role / Device Role / Timing Role: Emulates 74-series functions (e.g., 74LS138, 74LS244) with buried macrocells for combinatorial decode and I/O macrocells for tri-state bus drivers.

Use Value: ISR capability allows field updates to fix timing bugs or add new features without hardware change; bus-hold prevents floating inputs during hot-swap maintenance.

FPGA Configuration Manager

Industrial Control Sequencer

Use Scenario: Managing power-up sequence, SPI configuration bitstream loading, and status monitoring for Xilinx Spartan FPGAs in factory automation PLCs.

IC Role / Device Role / Timing Role: Acts as a state-machine-based configuration sequencer with dedicated clock inputs driving internal registers and SPI interface logic.

Use Value: Four synchronous clocks enable independent timing domains for FPGA init, watchdog, and host communication; JTAG access allows remote reconfiguration of boot logic.

Use Scenario: Controlling stepper motor drivers, sensor readout, and safety interlocks in CNC machine tools with deterministic response under real-time constraints.

IC Role / Device Role / Timing Role: Implements synchronous finite-state machine with registered outputs, using CLK1 for 10 kHz motion control loop and PTCLK for emergency stop edge detection.

Use Value: Fixed 10 ns t_PD guarantees sub-cycle response time; programmable slew rate reduces EMI near analog sensor circuits; 3.3V operation lowers thermal load in sealed enclosures.

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
AMD XC95144XL-10TQ144C	144 macrocells, 144-pin TQFP, 3.3V, 10 ns t_PD, non-JTAG ISP (XSVF only), no bus-hold	Lacks per-pin bus-hold and programmable slew rate; requires external pull-ups for unused I/Os; lower I/O count (118 vs. 160)	Select when legacy Xilinx toolchain compatibility is required and bus-hold is managed externally.
Lattice ispMACH 4A5-128/160	128 macrocells, 160-pin TQFP, 3.3V, 7.5 ns t_PD, IEEE 1532 ISP, no dedicated PTCLK	Faster propagation but lacks product-term clocking; uses different PIM architecture with less flexible clock routing; no 5V-tolerant I/Os	Select for higher-speed control paths where asynchronous event triggering is handled by external logic or microcontroller.

Compared with XC95144XL-10TQ144C and ispMACH 4A5-128/160, CY37128VP160-83AXIT offers unique advantages in PCI-compliant 5V-tolerant interfacing, per-pin bus-hold for robustness in industrial environments, and true product-term clocking for autonomous state transitions-making it optimal for legacy system upgrades requiring zero-pin-change reprogramming.

Availability

CY37128VP160-83AXIT is available at Aetrix Electronics and suitable for PCI interface logic, legacy bus bridging, FPGA configuration management, and industrial control sequencers requiring stable component supply across extended product lifecycles.

Supply support for CY37128VP160-83AXIT 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 USB/USB-C solutions for industrial, automotive, and communications markets.

The Ultra37000 CPLD family was designed to deliver high-density, pin-compatible, and timing-stable programmable logic for system-level glue logic replacement, bus interface consolidation, and FPGA companion functions in cost-sensitive embedded systems.

FAQ

What voltage levels does CY37128VP160-83AXIT support on its I/O pins?

CY37128VP160-83AXIT operates with a 3.3V V_CC and requires 3.3V on all V_CCO pins. Its I/Os are 5V-tolerant-accepting input voltages up to 5.5V regardless of V_CCO setting-while delivering JEDEC-compliant 3.3V CMOS output levels. No external level shifters are needed for mixed 3.3V/5V system interfacing.

Does CY37128VP160-83AXIT support in-system programming without removing the device from the board?

Yes. CY37128VP160-83AXIT supports IEEE 1149.1 JTAG-based In-System Reprogrammability (ISR™). Programming is performed via TCK, TMS, TDI, and TDO pins using standard JTAG adapters. Design changes-including logic updates and pin assignments-do not alter timing or physical pinout, enabling field firmware updates without hardware modification.

How many logic blocks and macrocells does CY37128VP160-83AXIT contain?

CY37128VP160-83AXIT contains eight logic blocks, each with a 72×87 product term array and 16 macrocells, totaling 128 macrocells. Each logic block receives 36 inputs from the Programmable Interconnect Matrix (PIM), supporting up to 32-bit-wide logic operations in a single pass through the device architecture.

Is CY37128VP160-83AXIT compatible with the PCI Local Bus specification?

Yes. CY37128VP160-83AXIT meets the PCI Local Bus Specification Rev. 2.2 electrical and timing requirements, including input high voltage (VIH ≥ 2.0V), 5V-tolerant inputs, and timing parameters compliant with 33 MHz PCI operation. Its 3.3V V_CCO and 5V-tolerant I/Os allow direct connection to both 3.3V and 5V PCI slots without level-shifting circuitry.

CY37128VP160-83AXIT Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: Ultra37000™

Package/Case:: 160-LQFP

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Programmable:: Not Verified

Programmable Type:: In-System Reprogrammable™ (ISR™) CMOS

Delay Time tpd(1) Max:: 15 ns

Voltage Supply - Internal:: 3V ~ 3.6V

Number of Logic Elements/Blocks:: -

Number of Macrocells:: 128

Number of Gates:: -

Number of I/O:: 133

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 160-TQFP (24x24)

CY37128VP160-83AXIT FAQ

1.How can I place an order for CY37128VP160-83AXIT through Aetrix?

Please submit a Request for Quotation (RFQ) for CY37128VP160-83AXIT 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 CY37128VP160-83AXIT reliable?

The price and inventory of CY37128VP160-83AXIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY37128VP160-83AXIT is usually 5 days.

3.What payment methods are accepted for CY37128VP160-83AXIT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY37128VP160-83AXIT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for CY37128VP160-83AXIT?

CY37128VP160-83AXIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your CY37128VP160-83AXIT 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 CY37128VP160-83AXIT?

For technical support, including CY37128VP160-83AXIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY37128VP160-83AXIT requirements.

6.How does Aetrix verify that CY37128VP160-83AXIT is sourced from the original manufacturer or authorized distributors?

All CY37128VP160-83AXIT 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 CY37128VP160-83AXIT meets industry standards.

7.What is the process for return or replacement of CY37128VP160-83AXIT?

All CY37128VP160-83AXIT units undergo pre-shipment inspection (PSI). If there is an issue with CY37128VP160-83AXIT, 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 CY37128VP160-83AXIT part is unused and in its original packaging.

Return procedure for CY37128VP160-83AXIT:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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