Infineon Technologies CY7C1051H30-10ZSXIT
- Part No.:
- CY7C1051H30-10ZSXIT
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 44-TSOP (0.400", 10.16mm Width)
- Datasheet:
-
CY7C1051H30-10ZSXIT.pdf
- Description:
- IC SRAM 8MBIT PARALLEL 44TSOP II
- Quantity:
- Payment:

- Shipping:

Inventory:4,129
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Product details
Overview
CY7C1051H30-10ZSXIT from Infineon Technologies (formerly Cypress) is an 8-Mbit (512K × 16-bit) CMOS static RAM with embedded single-bit error-correcting code (ECC), designed for high-reliability industrial memory applications requiring data integrity at 10 ns access time, 2.2–3.6 V operation, and 1.0 V data retention.
For engineers reviewing the CY7C1051H30-10ZSXIT datasheet, CY7C1051H30-10ZSXIT pinout, CY7C1051H30-10ZSXIT application, or CY7C1051H30-10ZSXIT equivalent, this page delivers verified package mapping (44-pin TSOP II), ECC functional scope, byte-enable control logic, standby current behavior, and industrial-grade thermal performance per Infineon Document 002-03314 Rev. *D.
Technical Context
The CY7C1051H30-10ZSXIT implements a synchronous SRAM architecture with dedicated ECC encoder/decoder circuitry that detects and corrects single-bit errors in real time during read operations-without automatic write-back. Its address decoding supports full 19-bit addressing (A0–A18) for 512K-word access.
Byte-level control is implemented via independent BHE (I/O8–I/O15) and BLE (I/O0–I/O7) inputs, enabling partial writes without disturbing adjacent bytes. All I/Os enter high-impedance state when CE is HIGH or OE/BHE/BLE are deasserted, ensuring clean bus isolation in multi-device systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory size | 8 Mbit (512K words × 16 bits); supports full parallel word access with no wait states. |
| Access time (tAA) | 10 ns maximum; enables direct interfacing with 100 MHz microcontrollers and FPGAs without timing margin violation. |
| VCC range | 2.2 V to 3.6 V; compatible with mixed-voltage 3.3 V and 2.5 V system rails. |
| ECC capability | Single-bit error correction per 16-bit word; detects but does not auto-correct on write-requires host-level handling of uncorrectable multi-bit errors. |
| Standby current (ISB2) | 20 mA typical at VCC = max, CE > VCC – 0.2 V; supports low-power hold mode during system sleep. |
| Data retention voltage | 1.0 V minimum; allows memory state preservation during brown-out or backup-battery operation. |
| Operating temperature | –40 °C to +85 °C (Industrial grade); validated for continuous operation in extended ambient environments. |
Pinout & Package
Package: 44-pin Thin Small Outline Package Type II (TSOP II), lead-free, JEDEC standard MO-141AC. Pin pitch: 0.8 mm. Body dimensions: 18.4 mm × 10.16 mm × 1.2 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A18 | Address inputs | 19-bit address bus supporting full 512K-word addressing; internally decoded for row/column selection. |
| I/O0–I/O15 | Bidirectional data bus | 16-bit parallel interface; high-impedance when CE HIGH or OE/BHE/BLE inactive. |
| /CE | Chip enable | Active-low global device select; enables power-down modes (ISB1/ISB2) when HIGH. |
| /OE | Output enable | Active-low read strobe; controls output drivers only-does not affect internal memory state. |
| /WE | Write enable | Active-low write strobe; initiates write cycle when CE and OE are asserted appropriately. |
| /BHE | Byte high enable | Controls write/read of upper byte (I/O8–I/O15); used for 8-bit bus compatibility. |
| /BLE | Byte low enable | Controls write/read of lower byte (I/O0–I/O7); enables partial-word access without masking logic. |
| VCC, VSS | Power supply pins | Dual VCC (2.2–3.6 V) and ground; decoupling required per JEDEC TSOP II layout guidelines. |
Key Features
| Feature | Design Value |
|---|---|
| Embedded ECC logic | On-die Hamming-code encoder/decoder corrects single-bit errors per 16-bit word during reads-no external logic required. |
| TTL-compatible I/O | Input thresholds and drive strength meet TTL voltage levels, enabling direct connection to legacy 5 V-tolerant controllers with level-shifting. |
| Low-power standby modes | Two automatic CE-driven standby currents (ISB1 = 40 mA max, ISB2 = 30 mA max) optimize energy use across voltage and input logic families. |
| 1.0 V data retention | Preserves stored data down to 1.0 V VCC, supporting battery-backed hold operation during main power loss. |
| Industrial temperature rating | Validated operation from –40 °C to +85 °C ensures reliability in factory automation, motor drives, and outdoor infrastructure. |
Applications
| Industrial PLC Memory Buffer | Medical Imaging Data Cache |
|---|---|
Use Scenario: Storing real-time I/O scan data and firmware variables in programmable logic controllers operating in harsh factory environments. IC Role / Device Role / Timing Role: Primary SRAM buffer with ECC protection for volatile program state and sensor history logs. Use Value: Prevents silent data corruption in long-running control loops; 10 ns access enables deterministic response within 100 µs scan cycles. | Use Scenario: Temporary storage of raw pixel frames during CT/MRI image acquisition before compression and transfer to host processor. IC Role / Device Role / Timing Role: High-speed frame buffer interfaced directly to FPGA-based image pipeline engines. Use Value: 16-bit bus width matches common imaging data paths; ECC ensures diagnostic integrity by eliminating single-event upset artifacts. |
| Railway Signaling Controller | Avionics Health Monitor |
Use Scenario: Holding configuration tables and event logs in EN 5012x-certified signaling hardware deployed in trackside cabinets. IC Role / Device Role / Timing Role: Nonvolatile shadow memory with periodic ECC-checked refresh for safety-critical runtime parameters. Use Value: Industrial temp rating and 1.0 V retention support fail-safe operation during voltage sags and thermal transients. | Use Scenario: Logging flight sensor telemetry and fault codes in DO-254-compliant health monitoring modules aboard commercial aircraft. IC Role / Device Role / Timing Role: Secure, tamper-resistant working memory for real-time diagnostics with error detection on every read. Use Value: Eliminates need for external ECC ICs-reducing BOM count, board area, and potential failure points in certified avionics designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-reliability SRAM with ECC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AS7C35128P-10TIN | No integrated ECC; requires external Hamming logic or software correction. | Suitable only where ECC is optional or handled externally; lacks on-die correction path. | Select if cost sensitivity outweighs ECC requirement and system can absorb added latency/software overhead. |
| IS61WV51216BLL-10MLI | 10 ns access, no ECC, 3.3 V only (2.7–3.6 V), higher ISB2 (45 mA typical). | Used in non-safety-critical consumer/industrial buffers where data integrity is managed at application layer. | Choose when ECC is unnecessary and tighter VCC tolerance is acceptable for simplified power design. |
Compared with AS7C35128P-10TIN and IS61WV51216BLL-10MLI, the CY7C1051H30-10ZSXIT uniquely delivers on-die ECC correction, wider VCC range (2.2–3.6 V), and lower ISB2-making it the only option qualified for industrial systems requiring guaranteed single-bit error recovery without host intervention.
Availability
CY7C1051H30-10ZSXIT is available at Aetrix Electronics and suitable for industrial PLC memory buffers, medical imaging data caches, and railway signaling controller designs requiring stable component supply, long-term lifecycle support, and guaranteed ECC functionality.
Supply support for CY7C1051H30-10ZSXIT 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
Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive MCUs, and high-reliability memory solutions.
The CY7C1051H series belongs to Infineon's industrial SRAM portfolio, engineered specifically for mission-critical embedded systems where data integrity, wide voltage operation, and extended temperature resilience are mandatory.
FAQ
Does CY7C1051H30-10ZSXIT support automatic error correction on write operations?
No. The device performs single-bit error correction only during read operations using its embedded ECC decoder. It does not implement automatic write-back or correction on detected errors during writes-error handling must be managed externally or through system-level protocols.
What is the function of the /BHE and /BLE pins in byte-write mode?
/BHE enables writing to I/O8–I/O15 (upper byte), while /BLE enables writing to I/O0–I/O7 (lower byte). Both can be asserted simultaneously for full 16-bit writes, or independently for 8-bit partial writes-eliminating the need for external byte-mask logic in mixed-width systems.
Can CY7C1051H30-10ZSXIT operate reliably at 2.2 V VCC across the full industrial temperature range?
Yes. The datasheet specifies full functionality-including 10 ns access time, ECC operation, and ISB2 ≤ 30 mA-at VCC = 2.2 V and TA = –40 °C to +85 °C. DC and AC parameters are guaranteed across this range per Infineon Document 002-03314 Rev. *D.
Is the 44-pin TSOP II package RoHS-compliant and lead-free?
Yes. The "Z" suffix in CY7C1051H30-10ZSXIT explicitly denotes lead-free (Pb-free) construction per JEDEC J-STD-609, and the package meets RoHS Directive 2011/65/EU requirements with homogeneous lead content < 0.1 wt%.
CY7C1051H30-10ZSXIT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 44-TSOP (0.400", 10.16mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Asynchronous
- Memory Size:
- 8Mbit
- Memory Organization:
- 512K x 16
- 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
CY7C1051H30-10ZSXIT FAQ
1.How can I place an order for CY7C1051H30-10ZSXIT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY7C1051H30-10ZSXIT 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 CY7C1051H30-10ZSXIT reliable?
The price and inventory of CY7C1051H30-10ZSXIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY7C1051H30-10ZSXIT is usually 5 days.
3.What payment methods are accepted for CY7C1051H30-10ZSXIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY7C1051H30-10ZSXIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY7C1051H30-10ZSXIT?
CY7C1051H30-10ZSXIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY7C1051H30-10ZSXIT 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 CY7C1051H30-10ZSXIT?
For technical support, including CY7C1051H30-10ZSXIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY7C1051H30-10ZSXIT requirements.
6.How does Aetrix verify that CY7C1051H30-10ZSXIT is sourced from the original manufacturer or authorized distributors?
All CY7C1051H30-10ZSXIT 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 CY7C1051H30-10ZSXIT meets industry standards.
7.What is the process for return or replacement of CY7C1051H30-10ZSXIT?
All CY7C1051H30-10ZSXIT units undergo pre-shipment inspection (PSI). If there is an issue with CY7C1051H30-10ZSXIT, 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 CY7C1051H30-10ZSXIT part is unused and in its original packaging.
Return procedure for CY7C1051H30-10ZSXIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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