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Infineon Technologies CY7C1041CV33-15VC
- Part No.:
- CY7C1041CV33-15VC
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 44-BSOJ (0.400", 10.16mm Width)
- Datasheet:
-
CY7C1041CV33-15VC.pdf
- Description:
- IC SRAM 4MBIT PARALLEL 44SOJ
- Quantity:
- Payment:
- Shipping:
Inventory:1,779
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Product details
Overview
CY7C1041CV33-15VC from Cypress Semiconductor is a 4-Mbit (256K × 16) high-speed CMOS static RAM with 15 ns maximum access time, 3.3 V supply, TTL-compatible I/O, and automatic CE power-down. It supports byte-wide writes via independent BHE/ BLE controls and operates across industrial temperature range (–40°C to +85°C). Used in real-time data buffering for industrial PLCs and network packet memory.
For engineers reviewing the CY7C1041CV33-15VC datasheet, CY7C1041CV33-15VC pinout, CY7C1041CV33-15VC application, or CY7C1041CV33-15VC equivalent, key selection criteria include tAA = 15 ns read timing, ISB2 = 10 mA standby current at CMOS inputs, dual-byte write enable architecture, and support for SOJ/TSOP II/FBGA package migration.
Technical Context
The CY7C1041CV33-15VC implements a synchronous, non-volatile-retentive SRAM core with full address decoding (A0–A17), bidirectional I/O0–I/O15, and three-level chip select logic (CE, OE, WE). Its byte-enable architecture allows independent 8-bit writes without masking circuitry.
It features two distinct power states: active mode (ICC ≤ 80 mA at fMAX) and automatic CE-controlled power-down (ISB2 = 10 mA), with data retention down to 2.0 V. All control inputs (CE, OE, WE, BHE, BLE) are TTL- and CMOS-compatible with defined VIH/VIL thresholds.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Organization | 256K × 16 bits - provides 512 KB of word-addressable storage with no external data bus widening needed |
| Access Time (tAA) | 15 ns max - enables direct interface with 66 MHz microcontrollers without wait states |
| Supply Voltage | 3.3 V ± 0.3 V - compatible with modern low-voltage logic families and reduces system power vs. 5 V SRAMs |
| Standby Current (ISB2) | 10 mA max at CMOS inputs - ensures ultra-low quiescent power during idle cycles in battery-backed systems |
| Operating Temperature | –40°C to +85°C - qualified for industrial automation and transportation control environments |
| Data Retention Voltage | 2.0 V min - guarantees memory state preservation during brown-out conditions or controlled power sequencing |
| I/O Capacitance | 8 pF max - minimizes signal integrity degradation and simplifies PCB layout for high-speed parallel buses |
Pinout & Package
Available in 44-pin 400-mil SOJ and 44-pin TSOP II packages with center power/ground pinout, plus 48-ball FBGA. All variants share identical signal mapping and functional pin definitions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A17 | Address Input | 18-bit address bus supporting full 256K-word addressing; no address multiplexing required |
| I/O0–I/O7 / I/O8–I/O15 | Bidirectional Data Bus | Two independent 8-bit data ports enabling concurrent lower/upper byte writes without bus contention |
| CE, OE, WE | Control Inputs (active LOW) | Three-level hierarchical control: CE selects chip, OE enables output drivers, WE gates write operations |
| BLE, BHE | Byte Write Enable | Independent gating of lower (BLE) and upper (BHE) data bytes - eliminates need for external byte-mask logic |
| VCC, VSS | Power Supply | Dual VCC (pins 11 & 33 in SOJ/TSOP) and dual VSS (pins 12 & 34) reduce IR drop and improve noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Pin-equivalent upgrade path | Direct replacement for CY7C1041BV33 - enables performance boost without board redesign |
| Automatic CE power-down | Reduces ICC to 10 mA (ISB2) when CE HIGH - eliminates need for external power-gating circuitry |
| TTL/CMOS input compatibility | VIH = 2.0 V min, VIL = 0.8 V max - interoperates with mixed-voltage systems without level shifters |
| Byte-selectable write architecture | Independent BHE/ BLE control allows partial-word writes - improves efficiency in 8-bit peripheral interfacing |
| 2.0 V data retention | Maintains stored data during undervoltage events - critical for fail-safe logging in industrial controllers |
Applications
| Industrial PLC Data Buffer | Network Packet Memory |
|---|---|
|
Use Scenario: Real-time I/O scanning and cyclic process data exchange in programmable logic controllers. IC Role / Device Role / Timing Role: High-bandwidth, low-latency scratchpad memory for transient register mapping and FIFO buffering. Use Value: 15 ns tAA enables deterministic response within 15 µs scan cycles; dual-byte write supports Modbus RTU register updates without split transactions. |
Use Scenario: Temporary storage of Ethernet frames in Layer 2 switches before forwarding or filtering. IC Role / Device Role / Timing Role: Parallel-access packet buffer interfaced directly to MAC controller data bus. Use Value: 256K × 16 organization accommodates up to 128 full-size 1518-byte frames; 8 pF I/O capacitance maintains signal integrity at 25 MHz bus clock. |
| Automotive ECU Log Storage | Medical Imaging Frame Buffer |
|
Use Scenario: Non-volatile event logging in engine control units operating across –40°C to +125°C ambient. IC Role / Device Role / Timing Role: Battery-backed SRAM for fault code and sensor snapshot storage during ignition-off periods. Use Value: 2.0 V data retention ensures log integrity during 3.3 V rail collapse; automotive-E grade supports full temperature range without derating. |
Use Scenario: Intermediate frame storage in portable ultrasound devices requiring rapid pixel access and low power. IC Role / Device Role / Timing Role: Dual-port-capable buffer for simultaneous acquisition and display rendering pipelines. Use Value: Independent BHE/ BLE enables concurrent write of YUV chroma/luma components; 10 mA ISB2 extends battery life during idle imaging phases. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AS6C4008-15PCN | 4-Mbit (512K × 8), 15 ns, 3.3 V, single-byte organization | Requires external byte-to-word alignment logic for 16-bit bus systems | Select only when migrating legacy 8-bit data paths or cost-sensitive consumer designs |
| IS61LV25616AL-15KLI | 4-Mbit (256K × 16), 15 ns, 3.3 V, but lacks BHE/ BLE and uses standard SOJ pinout | No native byte-write capability; requires external gating for partial writes | Choose when pinout compatibility with legacy IS61LV footprint is mandatory and byte masking is handled in FPGA |
Compared with AS6C4008-15PCN and IS61LV25616AL-15KLI, the CY7C1041CV33-15VC uniquely delivers pin-compatible byte-selectable writes, dual VCC/VSS for noise reduction, and automotive-E qualification - making it optimal for industrial and transportation systems demanding reliability and bus efficiency.
Availability
CY7C1041CV33-15VC is available at Aetrix Electronics and suitable for industrial PLCs, network switches, automotive ECUs, and medical imaging devices requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY7C1041CV33-15VC 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 memory, microcontrollers, and connectivity solutions for industrial, automotive, and computing markets.
The CY7C1041CV33 belongs to Cypress's high-speed parallel SRAM product line, designed specifically for deterministic, low-latency data buffering in real-time control and communications systems where predictability outweighs density.
FAQ
What is the minimum VCC required to retain data in CY7C1041CV33-15VC?
Data retention is guaranteed down to 2.0 V, as specified in the DC Electrical Characteristics table on page 5 of the datasheet. Below this voltage, memory contents may be lost regardless of temperature or duration. This value is measured under static conditions with CE HIGH and all inputs held valid.
Can CY7C1041CV33-15VC operate with 2.5 V supply?
No. The device is rated exclusively for 3.3 V ± 0.3 V operation (i.e., 3.0 V to 3.6 V). Operation at 2.5 V violates the Absolute Maximum Ratings and will result in undefined behavior, including failure to meet tAA or ICC specifications and potential data corruption.
Is the 48-ball FBGA package pin-to-pin compatible with the 44-pin SOJ version?
No. While both packages implement identical functionality and signal names, the FBGA uses a 6×8 ball grid with different physical pin assignments (e.g., A0 on FBGA pin A3 vs. SOJ pin 18), and includes four NC balls not present in SOJ. Board layout must be redesigned for FBGA migration.
Does CY7C1041CV33-15VC support asynchronous burst reads?
No. It is a classic asynchronous SRAM with no internal burst counter or sequential address generation. Each read requires full address setup before CE/OE assertion, and tRC defines the minimum cycle time between successive accesses - no burst mode or page-mode capability is implemented.
CY7C1041CV33-15VC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 44-BSOJ (0.400", 10.16mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Asynchronous
- Memory Size:
- 4Mbit
- Memory Organization:
- 256K x 16
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 15ns
- Access Time:
- 15 ns
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 44-SOJ
CY7C1041CV33-15VC FAQ
1.How can I place an order for CY7C1041CV33-15VC through Aetrix?
Please submit a Request for Quotation (RFQ) for CY7C1041CV33-15VC 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 CY7C1041CV33-15VC reliable?
The price and inventory of CY7C1041CV33-15VC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY7C1041CV33-15VC is usually 5 days.
3.What payment methods are accepted for CY7C1041CV33-15VC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY7C1041CV33-15VC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY7C1041CV33-15VC?
CY7C1041CV33-15VC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY7C1041CV33-15VC 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 CY7C1041CV33-15VC?
For technical support, including CY7C1041CV33-15VC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY7C1041CV33-15VC requirements.
6.How does Aetrix verify that CY7C1041CV33-15VC is sourced from the original manufacturer or authorized distributors?
All CY7C1041CV33-15VC 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 CY7C1041CV33-15VC meets industry standards.
7.What is the process for return or replacement of CY7C1041CV33-15VC?
All CY7C1041CV33-15VC units undergo pre-shipment inspection (PSI). If there is an issue with CY7C1041CV33-15VC, 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 CY7C1041CV33-15VC part is unused and in its original packaging.
Return procedure for CY7C1041CV33-15VC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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