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Infineon Technologies CY14B104N-ZS20XCT
- Part No.:
- CY14B104N-ZS20XCT
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 44-TSOP (0.400", 10.16mm Width)
- Datasheet:
-
CY14B104N-ZS20XCT.pdf
- Description:
- IC NVSRAM 4MBIT PAR 44TSOP II
- Quantity:
- Payment:
- Shipping:
Inventory:1,812
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Product details
Overview
CY14B104N-ZS20XCT from Cypress Semiconductor is a 4 Mbit nonvolatile SRAM (nvSRAM) with 256K × 16 organization, 20 ns access time, single 3V (+20% to –10%) supply, and QuantumTrap® nonvolatile storage. It performs automatic STORE on power loss using VCAP capacitor support and supports software/hardware-initiated STORE/RECALL. Used in industrial control systems requiring persistent memory without battery backup.
For engineers reviewing the CY14B104N-ZS20XCT datasheet, CY14B104N-ZS20XCT pinout, CY14B104N-ZS20XCT application, or CY14B104N-ZS20XCT equivalent, key selection criteria include x16 bus interface compatibility, HSB-driven hardware store timing, VCAP capacitance requirement (0.1 µF), and 200,000 STORE cycle endurance.
Technical Context
The CY14B104N-ZS20XCT integrates parallel SRAM and QuantumTrap nonvolatile cells per bit, enabling simultaneous STORE/RECALL across all 256K words. Its architecture decouples volatile read/write (infinite cycles) from nonvolatile STORE (200K cycles) and RECALL (infinite cycles), with tSTORE = 20 ms and tRECALL = 15 ms typical.
AutoStore triggers when VCC drops below VSWITCH (~2.7 V), disconnecting VCAP to sustain STORE operation. The HSB pin serves dual role: open-drain busy indicator during STORE/RECALL and active-L trigger for hardware-initiated STORE, with tDELAY = 100 ns before execution.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 4 Mbit organized as 256K × 16 - supports 16-bit microprocessor data bus without external multiplexing. |
| Access Time | 20 ns - enables direct interfacing with high-speed controllers operating at ≤50 MHz system clocks. |
| Supply Voltage | 3.0 V ±10% - compatible with standard 3.3 V logic rails using minor derating; no separate VIO required. |
| STORE Endurance | 200,000 cycles - sufficient for daily power-cycle logging in industrial PLCs over 5+ years. |
| Data Retention | 20 years at 85°C - ensures long-term firmware/state persistence in unattended embedded deployments. |
| VCAP Requirement | 0.1 µF ceramic capacitor - provides ~20 ms energy hold-up for full STORE completion during brownout. |
| Operating Temperature | –40°C to +85°C - qualified for industrial-grade environmental stress without derating. |
Pinout & Package
Package: 48-ball FBGA (6 mm × 8 mm, 0.8 mm pitch), RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A17 | Address Input | 18-bit address bus for 256K-word selection; A17 is MSB in x16 mode. |
| DQ0–DQ15 | Bidirectional Data I/O | 16-bit parallel data path; supports byte-level writes via BHE/BLE control. |
| CE, WE, OE | Control Inputs | Active-L chip enable, write enable, and output enable - standard SRAM timing interface. |
| BHE, BLE | Byte Enable | Independent control of upper/lower 8 bits during 16-bit writes; not present in x8 variants. |
| HSB | I/O Busy/Trigger | Open-drain status pin: driven LOW during STORE/RECALL; pulled LOW externally to initiate hardware STORE. |
| VCAP | Power Supply | Capacitor connection point for AutoStore energy hold-up; internally regulated to VCC level. |
| VCC, VSS | Power/Ground | Single 3V supply rail; requires local 0.1 µF bypass capacitor near VCC/VSS pair. |
Key Features
| Feature | Design Value |
|---|---|
| QuantumTrap® Nonvolatile Storage | Embedded per-cell nonvolatile element enables true battery-free data persistence with 20-year retention. |
| Hardware Store Busy (HSB) Pin | Real-time hardware handshake for STORE/RECALL progress monitoring and deterministic external synchronization. |
| AutoStore® on Power Loss | Automatic, capacitor-powered STORE initiation at VCC < 2.7 V - eliminates firmware dependency for critical state capture. |
| Software STORE/RECALL Sequencing | Six-address CE-read sequence (e.g., 0x4E38 → 0x8FC0) enables precise, debuggable nonvolatile control without dedicated command pins. |
| x16 Bus Interface | Native 16-bit data width reduces PCB trace count and eliminates glue logic vs. x8 alternatives in 16-bit MPU designs. |
Applications
| Industrial PLC Data Logging | Medical Device Configuration Storage |
|---|---|
Use Scenario: Capturing real-time sensor readings and operational states during unexpected AC mains failure in programmable logic controllers. IC Role / Device Role / Timing Role: Nonvolatile SRAM providing zero-latency SRAM access during normal operation and guaranteed STORE within 20 ms of brownout detection. Use Value: Eliminates supercapacitor/battery backup subsystems while ensuring >99.999% data integrity across 200,000 power cycles. | Use Scenario: Storing calibrated transducer offsets, user preferences, and regulatory audit logs in portable diagnostic equipment. IC Role / Device Role / Timing Role: Persistent configuration memory with infinite RECALL cycles and deterministic 15 ms restore time after cold start. Use Value: Meets IEC 62304 Class C software safety requirements by guaranteeing configuration recovery before first patient measurement. |
| Avionics Flight Recorder Buffer | Smart Grid RTU Event History |
Use Scenario: Acting as cyclic buffer for pre-impact aircraft parameters in crash-survivable flight data recorders. IC Role / Device Role / Timing Role: High-reliability nvSRAM with 85°C extended temperature rating and radiation-tolerant QuantumTrap cell structure. Use Value: Sustains 20-year data retention under thermal cycling and vibration stress without refresh or rewrite overhead. | Use Scenario: Maintaining timestamped fault event records in remote terminal units deployed in outdoor substations. IC Role / Device Role / Timing Role: Industrial-grade nvSRAM interfaced to ARM Cortex-M4 MCU via 16-bit FSMC bus with HSB-monitored STORE coordination. Use Value: Reduces BOM cost by 37% versus FRAM + backup controller solution while meeting IEEE 1377 event logging latency specs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nonvolatile SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| FM24V10-G | F-RAM-based, 1 Mbit (128K × 8), 40 MHz SPI interface, unlimited endurance, but no x16 parallel bus. | Requires serial-to-parallel bridge logic for MPU integration; lacks HSB pin for hardware STORE coordination. | Select only if system uses SPI host and endurance >200K STORE cycles is mandatory. |
| MB85RS4MT-FPN-GE1 | FeRAM, 4 Mbit (512K × 8), 108 MHz SPI, 10^14 read/write cycles, but x8-only organization and no AutoStore capacitor support. | Cannot replace CY14B104N-ZS20XCT in x16 MPU designs without data bus widening; requires external power-fail detection circuitry. | Choose only for new SPI-based designs where board space constraints prohibit FBGA and VCAP routing. |
Compared with FM24V10-G and MB85RS4MT-FPN-GE1, the CY14B104N-ZS20XCT uniquely delivers native x16 parallel interface, integrated AutoStore capacitor management, and hardware-busy signaling - making it irreplaceable in legacy MPU-based industrial controllers requiring drop-in nvSRAM upgrade.
Availability
CY14B104N-ZS20XCT is available at Aetrix Electronics and suitable for industrial PLCs, medical diagnostic devices, avionics black boxes, and smart grid RTUs requiring stable component supply with guaranteed 20-year data retention and 200,000 STORE cycle endurance.
Supply support for CY14B104N-ZS20XCT 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 fabless semiconductor company specializing in memory, microcontrollers, and connectivity solutions for industrial, automotive, and consumer markets.
The CY14B series was designed specifically for battery-free nonvolatile data retention in mission-critical embedded systems, leveraging QuantumTrap technology to eliminate backup power dependencies while maintaining SRAM speed and interface compatibility.
FAQ
What is the minimum VCAP capacitance required for reliable AutoStore operation?
The CY14B104N-ZS20XCT requires a 0.1 µF X7R ceramic capacitor on the VCAP pin to ensure full STORE completion during power loss. This value is validated for tSTORE = 20 ms at VCC = 3.0 V and –40°C to +85°C. Larger capacitors extend hold-up time but do not improve reliability beyond specification.
Can the HSB pin be left unconnected if hardware STORE is not used?
Yes - the HSB pin has an internal weak pull-up and may be left floating when unused. It defaults HIGH during normal operation and only drives LOW during STORE/RECALL. No external pull-up is needed unless the system requires explicit busy-state polling or hardware-triggered STORE initiation.
Does the CY14B104N-ZS20XCT support both x8 and x16 configurations?
No - CY14B104N is fixed x16 (256K × 16); CY14B104L is the x8 variant (512K × 8). Pinouts differ: BHE/BLE are present and functional only in x16 packages, and address range is A0–A17 (not A0–A18). Mixing configurations risks bus contention or incomplete addressing.
How does the AutoStore disable sequence affect system behavior?
The six-address AutoStore disable sequence (0x4E38 → 0x8B45) disables automatic STORE on power loss but retains software and hardware STORE capability. RECALL remains fully functional. This is used during firmware updates or diagnostics where unintended STORE during brief voltage dips must be prevented.
CY14B104N-ZS20XCT 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:
- Non-Volatile
- Memory Format:
- NVSRAM
- Technology:
- NVSRAM (Non-Volatile SRAM)
- Memory Size:
- 4Mbit
- Memory Organization:
- 256K x 16
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 20ns
- Access Time:
- 20 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 44-TSOP II
CY14B104N-ZS20XCT FAQ
1.How can I place an order for CY14B104N-ZS20XCT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY14B104N-ZS20XCT 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 CY14B104N-ZS20XCT reliable?
The price and inventory of CY14B104N-ZS20XCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY14B104N-ZS20XCT is usually 5 days.
3.What payment methods are accepted for CY14B104N-ZS20XCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY14B104N-ZS20XCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY14B104N-ZS20XCT?
CY14B104N-ZS20XCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY14B104N-ZS20XCT 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 CY14B104N-ZS20XCT?
For technical support, including CY14B104N-ZS20XCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY14B104N-ZS20XCT requirements.
6.How does Aetrix verify that CY14B104N-ZS20XCT is sourced from the original manufacturer or authorized distributors?
All CY14B104N-ZS20XCT 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 CY14B104N-ZS20XCT meets industry standards.
7.What is the process for return or replacement of CY14B104N-ZS20XCT?
All CY14B104N-ZS20XCT units undergo pre-shipment inspection (PSI). If there is an issue with CY14B104N-ZS20XCT, 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 CY14B104N-ZS20XCT part is unused and in its original packaging.
Return procedure for CY14B104N-ZS20XCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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