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Infineon Technologies CY7C1049GE30-10ZSXIT
- Part No.:
- CY7C1049GE30-10ZSXIT
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 44-TSOP (0.400", 10.16mm Width)
- Datasheet:
-
CY7C1049GE30-10ZSXIT.pdf
- Description:
- IC SRAM 4MBIT PARALLEL 44TSOP II
- Quantity:
- Payment:
- Shipping:
Inventory:1,078
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Product details
Overview
CY7C1049GE30-10ZSXIT from Cypress Semiconductor is a 4-Mbit (512K × 8) static RAM with embedded single-bit error-correcting code (ECC), TTL-compatible I/O, 10 ns access time, and ERR output pin for real-time error detection/correction - deployed in industrial-grade memory subsystems requiring data integrity in avionics control units.
For engineers reviewing the CY7C1049GE30-10ZSXIT datasheet, CY7C1049GE30-10ZSXIT pinout, CY7C1049GE30-10ZSXIT application, or CY7C1049GE30-10ZSXIT equivalent, key selection criteria include ECC-enabled reliability, multi-voltage support (2.2–3.6 V), 10 ns tAA timing, and TSOP II-44 package compatibility with legacy SRAM footprints.
Technical Context
The CY7C1049GE30-10ZSXIT integrates dedicated ECC encoder/decoder logic within the memory array, enabling automatic single-bit error correction during read cycles without external logic. Its ERR pin asserts HIGH only upon successful detection and correction of a 1-bit error in the accessed word.
It supports three VCC ranges (1.65–2.2 V, 2.2–3.6 V, 4.5–5.5 V); this variant operates at 2.2–3.6 V with guaranteed 10 ns access time. The device uses standard asynchronous control (CE, OE, WE) and places all I/Os in high-impedance state when CE is HIGH or OE is de-asserted.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 4 Mbit (512K words × 8 bits) - provides byte-wide data interface compatible with 8-bit microcontrollers and legacy bus architectures. |
| Access Time (tAA) | 10 ns - enables direct interfacing with 100 MHz system clocks without wait states in synchronous bus environments. |
| VCC Operating Range | 2.2 V to 3.6 V - supports mixed-signal systems powered by 3.3 V rails while maintaining full-speed operation down to 2.2 V. |
| Active Current (ICC) | 38 mA typical - low power consumption allows use in thermally constrained industrial modules without forced cooling. |
| Standby Current (ISB2) | 6 mA typical - enables extended low-power retention mode during processor sleep in battery-backed control systems. |
| ECC Function | Single-bit error correction with ERR output - eliminates need for external ECC logic, reducing BOM count and PCB area in safety-critical memory buffers. |
| Data Retention Voltage | 1.0 V - maintains stored data integrity during brown-out conditions or controlled power-down sequences. |
Pinout & Package
Package: 44-pin Thin Small Outline Package Type II (TSOP II), RoHS-compliant, surface-mountable with 0.8 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A18 | Address Inputs | 19-bit address bus supporting full 512K-word addressing; A0 is LSB, A18 is MSB. |
| I/O0–I/O7 | Bidirectional Data Lines | 8-bit parallel data path; tri-stated automatically when CE = HIGH or OE = HIGH. |
| /CE | Chip Enable (active-low) | Primary device select; disables internal circuitry and forces I/Os to high-Z when HIGH. |
| /OE | Output Enable (active-low) | Controls data output drivers; read data appears on I/O lines only when /CE and /OE are both LOW. |
| /WE | Write Enable (active-low) | Enables write cycle; data latched on rising edge of /WE when /CE is LOW. |
| ERR | Error Indication Output | Open-drain output asserted HIGH during read cycle if single-bit error detected and corrected; requires external pull-up. |
| VCC, VSS | Power Supply Pins | Two VCC pins (pins 11 & 34) and two VSS pins (pins 12 & 33) reduce IR drop and improve noise immunity in high-speed operation. |
Key Features
| Feature | Design Value |
|---|---|
| Embedded ECC Logic | On-die encoder/decoder corrects single-bit errors in real time without CPU intervention or additional ICs. |
| TTL-Compatible I/O | Supports direct connection to legacy 3.3 V or 5 V microcontrollers without level-shifting circuitry. |
| Multi-Voltage Operation | Operates across 2.2–3.6 V range with guaranteed 10 ns timing - simplifies migration from 5 V to 3.3 V systems. |
| ERR Pin Assertion | Dedicated open-drain output signals correction event per read access - enables firmware logging or fault-triggered diagnostics. |
| Low Standby Power | 6 mA typical ISB2 allows continuous memory retention in power-gated subsystems (e.g., watchdog timers, RTC buffers). |
Applications
| Avionics Flight Control Memory | Railway Signaling Data Buffer |
|---|---|
|
Use Scenario: Stores real-time sensor fusion outputs and actuator command history in fly-by-wire ECUs where bit corruption could compromise flight safety. IC Role / Device Role / Timing Role: Primary volatile program/data buffer with hardware-level ECC assurance and deterministic 10 ns read latency. Use Value: Eliminates need for software-based checksum polling, reducing CPU load and ensuring sub-microsecond error response critical for DO-254 compliance. |
Use Scenario: Holds interlocking logic state tables and train position history in ERTMS Level 2 balise communication units operating in electromagnetic-heavy rail tunnels. IC Role / Device Role / Timing Role: Fault-tolerant SRAM buffer interfacing with ARM Cortex-R4 processors via 8-bit parallel bus under EN 5012x environmental stress. Use Value: ERR pin integration enables automated diagnostic reporting to central signaling controllers without modifying existing firmware architecture. |
| Industrial PLC I/O Mapping Table | Medical Imaging Frame Buffer |
|
Use Scenario: Maintains dynamic I/O configuration maps and process variable snapshots in modular PLC backplanes exposed to voltage transients and thermal cycling. IC Role / Device Role / Timing Role: Nonvolatile-replacement memory with 1.0 V data retention and ECC protection against alpha particle-induced soft errors. Use Value: Reduces field failure rate in SIL2-certified control systems by preventing silent data corruption in safety-related parameter storage. |
Use Scenario: Buffers uncompressed DICOM image tiles during CT/MRI acquisition where transient radiation may induce memory bit flips in diagnostic-grade equipment. IC Role / Device Role / Timing Role: High-reliability frame store synchronized to FPGA pixel clock with zero-latency ECC correction during real-time display rendering. Use Value: Guarantees pixel-perfect image reconstruction without frame drop or artifact injection - essential for FDA 510(k) submission requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ECC SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AS7C34098B-10TIN | No integrated ECC; requires external Hamming logic; 10 ns access, 4-Mbit, 3.3 V only. | Lacks ERR pin and on-die correction - increases design complexity and latency for error handling. | Select only when cost sensitivity outweighs reliability requirements and board space permits external ECC IC. |
| IS61WV5128BLL-10MLI | Non-ECC 4-Mbit SRAM; 10 ns access; 2.5 V/3.3 V operation; no ERR pin. | Relies on system-level error detection (e.g., CRC in DMA controller); no hardware correction capability. | Use where functional safety standards do not mandate single-point fault tolerance in memory subsystems. |
Compared with AS7C34098B-10TIN and IS61WV5128BLL-10MLI, the CY7C1049GE30-10ZSXIT uniquely delivers autonomous single-bit correction with visible feedback via ERR, reducing firmware overhead and enabling deterministic fault recovery in safety-critical deployments.
Availability
CY7C1049GE30-10ZSXIT is available at Aetrix Electronics and suitable for avionics flight control units, railway signaling systems, and industrial PLC I/O mapping requiring stable component supply across extended product lifecycles.
Supply support for CY7C1049GE30-10ZSXIT 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) designs high-reliability memory and programmable solutions for industrial, automotive, and aerospace applications, with emphasis on functional safety and long-term supply stability.
The CY7C1049GE series targets mission-critical memory applications demanding hardware ECC, multi-voltage flexibility, and industrial temperature operation - bridging legacy SRAM interfaces with modern reliability requirements.
FAQ
Does CY7C1049GE30-10ZSXIT support automatic write-back after error correction?
No. Per datasheet Note 1, this device performs single-bit error correction during read cycles but does not automatically write the corrected data back to the memory array. Firmware must initiate a separate write cycle if persistent correction is required.
What is the function of the ERR pin, and how is it electrically configured?
The ERR pin is an open-drain output that asserts HIGH during a read cycle when a single-bit error is detected and corrected. It requires an external pull-up resistor (typically 4.7 kΩ to VCC) and remains inactive (high-impedance) during writes or when no error occurs.
Can CY7C1049GE30-10ZSXIT operate at 1.8 V?
No. This variant is specified for the 2.2 V to 3.6 V VCC range only. Operation below 2.2 V violates the guaranteed 10 ns access time specification and may result in timing violations or ECC logic malfunction.
How many address pins does CY7C1049GE30-10ZSXIT have, and what is the maximum addressable depth?
It has 19 address pins (A0–A18), supporting 219 = 524,288 addresses. With an 8-bit data bus, this yields exactly 512K × 8 = 4,194,304 bits (4 Mbit), fully utilizing the memory array without gaps or unused rows.
CY7C1049GE30-10ZSXIT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 44-TSOP (0.400", 10.16mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Asynchronous
- Memory Size:
- 4Mbit
- Memory Organization:
- 512K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 10ns
- Access Time:
- 10 ns
- Voltage - Supply:
- 2.2V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 44-TSOP II
CY7C1049GE30-10ZSXIT FAQ
1.How can I place an order for CY7C1049GE30-10ZSXIT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY7C1049GE30-10ZSXIT 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 CY7C1049GE30-10ZSXIT reliable?
The price and inventory of CY7C1049GE30-10ZSXIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY7C1049GE30-10ZSXIT is usually 5 days.
3.What payment methods are accepted for CY7C1049GE30-10ZSXIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY7C1049GE30-10ZSXIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY7C1049GE30-10ZSXIT?
CY7C1049GE30-10ZSXIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY7C1049GE30-10ZSXIT 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 CY7C1049GE30-10ZSXIT?
For technical support, including CY7C1049GE30-10ZSXIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY7C1049GE30-10ZSXIT requirements.
6.How does Aetrix verify that CY7C1049GE30-10ZSXIT is sourced from the original manufacturer or authorized distributors?
All CY7C1049GE30-10ZSXIT 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 CY7C1049GE30-10ZSXIT meets industry standards.
7.What is the process for return or replacement of CY7C1049GE30-10ZSXIT?
All CY7C1049GE30-10ZSXIT units undergo pre-shipment inspection (PSI). If there is an issue with CY7C1049GE30-10ZSXIT, 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 CY7C1049GE30-10ZSXIT part is unused and in its original packaging.
Return procedure for CY7C1049GE30-10ZSXIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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