Infineon Technologies CY14B116N-ZSP25XI
- Part No.:
- CY14B116N-ZSP25XI
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 54-TSOP (0.400", 10.16mm Width)
- Datasheet:
-
CY14B116N-ZSP25XI.pdf
- Description:
- IC NVSRAM 16MBIT PAR 54TSOP II
- Quantity:
- Payment:

- Shipping:

Inventory:183
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Product details
Overview
CY14B116N-ZSP25XI from Infineon Technologies (formerly Cypress) is a 16-Mbit nonvolatile SRAM organized as 1024K × 16, operating at 2.7–3.6 V with 25-ns access time. It integrates QuantumTrap nonvolatile storage per cell, enabling automatic STORE on power-down and software/hardware-controlled RECALL. Used in industrial control systems requiring persistent memory without battery backup.
For engineers reviewing the CY14B116N-ZSP25XI datasheet, CY14B116N-ZSP25XI pinout, CY14B116N-ZSP25XI application, or CY14B116N-ZSP25XI equivalent, key selection factors include ×16 bus width support, TSOP II 54-pin package, AutoStore timing under voltage droop, HSB signaling for STORE status, and sleep mode compatibility with industrial temperature range (–40 °C to +85 °C).
Technical Context
This nvSRAM combines a standard fast SRAM array (4096 × 4096) with parallel QuantumTrap nonvolatile elements. STORE transfers data from SRAM to nonvolatile cells via internal charge-pump circuitry powered by VCAP; RECALL restores data on power-up using stored charge.
Control logic supports three STORE initiation methods: AutoStore (triggered by VCC drop below threshold), hardware STORE (via HSB pin assertion), and software STORE (via command sequence). Sleep mode (enabled via ZZ pin) reduces current to 10 µA but is only available in 165-ball FBGA packages - not supported in this TSOP II variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 Mbit (1024K × 16 organization) |
| Access Time | 25 ns - guarantees read/write cycle completion within 25 ns at full speed operation |
| Supply Voltage | 2.7 V to 3.6 V - compatible with 3.3-V system rails and tolerant of brown-out conditions down to 2.7 V |
| Data Retention | 20 years - nonvolatile data preserved without power or refresh |
| STORE Endurance | 1 million cycles - maximum guaranteed STORE operations to QuantumTrap cells |
| Operating Temperature | –40 °C to +85 °C - qualified for industrial ambient environments |
| Active Current | 75 mA at 45 ns - peak dynamic current during high-speed access (25 ns variant draws proportionally less) |
| Standby Current | 650 µA - quiescent draw when CE HIGH and device deselected |
Pinout & Package
The CY14B116N-ZSP25XI is housed in a 54-pin Thin Small-Outline Package (TSOP II), RoHS-compliant, with 0.5-mm lead pitch and body dimensions of 18.4 mm × 10.16 mm. Pin 1 is marked by a beveled corner; pin numbering proceeds counterclockwise.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A19 | Address Input | 1024K-word addressing (20-bit address bus); A0 LSB, A19 MSB for ×16 mode |
| DQ0–DQ15 | Bidirectional Data I/O | 16-bit parallel data path; tristated when OE HIGH or CE HIGH |
| CE | Chip Enable | Active LOW single CE input (TSOP II configuration); enables memory access when asserted |
| WE | Write Enable | Active LOW control signal; initiates write cycle when CE and OE are active |
| OE | Output Enable | Active LOW; enables output drivers during read; disables outputs when HIGH |
| HSB | Hardware STORE Busy | Open-drain output indicating STORE progress; pulled LOW externally to initiate STORE |
| VCAP | AutoStore Capacitor Terminal | Connects external capacitor (12 µF typical) to sustain STORE during VCC collapse |
| VCC / VSS | Power / Ground | Single 3.3-V supply rail; multiple VSS pins provide low-inductance ground return paths |
| BHE / BLE | Byte Enable | Active LOW controls upper/lower 8-bit byte lanes in ×16 mode; enables partial writes |
Key Features
| Feature | Design Value |
|---|---|
| QuantumTrap Nonvolatile Storage | Embedded per-cell nonvolatile element enabling infinite SRAM read/write cycles without compromising nonvolatile endurance (1M STOREs) |
| Hands-off AutoStore | Automatic STORE triggered solely by VCC decay - no host intervention or firmware overhead required |
| Multi-mode STORE Initiation | Supports hardware (HSB pin), software (command sequence), and power-loss (AutoStore) STORE triggers - increases system design flexibility |
| Low-Power Standby | 650 µA standby current enables energy-sensitive applications where memory remains powered but idle |
| Industrial Temperature Rating | Validated operation from –40 °C to +85 °C ensures reliability in harsh environments like factory automation and transportation systems |
Applications
| Programmable Logic Controller (PLC) Memory | Industrial Data Logger |
|---|---|
Use Scenario: Storing real-time I/O state, configuration parameters, and fault logs in PLCs during unexpected power loss. IC Role / Device Role / Timing Role: Nonvolatile scratchpad memory holding critical runtime variables; replaces battery-backed SRAM. Use Value: Eliminates battery maintenance and failure risk while guaranteeing 20-year data retention without external power. | Use Scenario: Capturing sensor readings (temperature, pressure, vibration) at fixed intervals in remote monitoring units. IC Role / Device Role / Timing Role: High-speed buffer with deterministic STORE latency (<10 ms) upon mains failure detection. Use Value: Ensures zero-data-loss logging even during rapid AC dropout, leveraging 25-ns access and AutoStore timing. |
| Medical Diagnostic Equipment | Railway Signaling Controller |
Use Scenario: Preserving calibration coefficients, last-scan settings, and diagnostic history in portable ultrasound or ECG devices. IC Role / Device Role / Timing Role: ×16 interface matches microcontroller data bus width; HSB pin provides STORE status feedback to host MCU. Use Value: Enables deterministic, software-verified STORE/RECALL sequences compliant with IEC 62304 safety requirements. | Use Scenario: Maintaining interlocking logic state and event timestamps in wayside signaling cabinets exposed to wide thermal swings. IC Role / Device Role / Timing Role: Industrial-grade nvSRAM providing fail-safe memory for SIL-2/3 safety-critical subsystems. Use Value: Meets EN 5012x environmental and reliability standards with validated –40 °C to +85 °C operation and 20-year retention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nonvolatile SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| FM16W08-SG | 4-Mbit (512K × 8), 45-ns access, 2.7–3.6 V, uses ferroelectric RAM (FRAM); no VCAP capacitor required | Limited density and slower access; better for low-power, low-density buffering where STORE frequency exceeds 1M cycles | Select if ultra-low-power sleep (<1 µA) and unlimited STORE endurance outweigh density and speed needs |
| AS14B116N-25ZAI | Same 16-Mbit ×16 organization, 25-ns access, but in 48-pin TSOP I package; different pinout and dual CE (CE1/CE2) | Requires PCB redesign due to incompatible footprint and CE signaling; lacks HSB pin for STORE status reporting | Choose only if legacy board layout uses TSOP I and HSB feedback is unnecessary |
Compared with FM16W08-SG and AS14B116N-25ZAI, CY14B116N-ZSP25XI delivers higher density, faster access, and precise STORE status via HSB - making it optimal for industrial systems needing robust, high-bandwidth nonvolatile memory with real-time control visibility.
Availability
CY14B116N-ZSP25XI is available at Aetrix Electronics and suitable for programmable logic controllers, industrial data loggers, medical diagnostic equipment, and railway signaling controllers requiring stable component supply across extended product lifecycles.
Supply support for CY14B116N-ZSP25XI 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 systems, sensors, and memory solutions for industrial, automotive, and IoT applications.
CY14B116N-ZSP25XI belongs to the Cypress nvSRAM product line, designed specifically to replace battery-backed SRAM in mission-critical industrial systems where data persistence, speed, and long-term reliability are mandatory.
FAQ
What is the function of the VCAP pin, and what capacitor value is required?
The VCAP pin supplies hold-up energy to complete the STORE operation during VCC collapse. A 12 µF tantalum or ceramic capacitor rated ≥6.3 V must be placed between VCAP and VSS, located within 10 mm of the pin. This capacitor sustains internal charge pumps long enough to transfer all SRAM contents to QuantumTrap cells - typically requiring ≥10 ms at nominal VCC decay rates.
Does CY14B116N-ZSP25XI support sleep mode, and how is it enabled?
No, sleep mode (ZZ pin functionality) is not supported in the 54-pin TSOP II package of CY14B116N-ZSP25XI. Sleep mode is only implemented in the 165-ball FBGA variant. In this TSOP II version, the ZZ pin is NC (no connect) and has no electrical function - power reduction relies solely on CE deassertion and standby current specification (650 µA).
How does AutoStore differ from Hardware STORE using the HSB pin?
AutoStore activates automatically when VCC drops below a threshold (~2.5 V), using residual charge on VCAP to execute STORE without host action. Hardware STORE is initiated by pulling HSB LOW externally, allowing precise timing control - e.g., before controlled shutdown. Both use the same QuantumTrap storage mechanism, but AutoStore requires no firmware involvement, whereas HSB-triggered STORE enables deterministic, synchronized nonvolatile save events.
Can CY14B116N-ZSP25XI be used in a ×8 or ×32 configuration?
No - CY14B116N is specifically configured as 1024K × 16 (×16 bus width). The "N" suffix denotes the ×16 organization; "L" indicates ×8 and "S" indicates ×32. Pinout, address mapping (A0–A19), and DQ0–DQ15 I/O assignment are fixed for ×16 operation. Attempting ×8 or ×32 use would result in incorrect addressing and data corruption.
CY14B116N-ZSP25XI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 54-TSOP (0.400", 10.16mm Width)
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- NVSRAM
- Technology:
- NVSRAM (Non-Volatile SRAM)
- Memory Size:
- 16Mbit
- Memory Organization:
- 1M x 16
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 25ns
- Access Time:
- 25 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 54-TSOP II
CY14B116N-ZSP25XI FAQ
1.How can I place an order for CY14B116N-ZSP25XI through Aetrix?
Please submit a Request for Quotation (RFQ) for CY14B116N-ZSP25XI 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 CY14B116N-ZSP25XI reliable?
The price and inventory of CY14B116N-ZSP25XI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY14B116N-ZSP25XI is usually 5 days.
3.What payment methods are accepted for CY14B116N-ZSP25XI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY14B116N-ZSP25XI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY14B116N-ZSP25XI?
CY14B116N-ZSP25XI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY14B116N-ZSP25XI 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 CY14B116N-ZSP25XI?
For technical support, including CY14B116N-ZSP25XI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY14B116N-ZSP25XI requirements.
6.How does Aetrix verify that CY14B116N-ZSP25XI is sourced from the original manufacturer or authorized distributors?
All CY14B116N-ZSP25XI 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 CY14B116N-ZSP25XI meets industry standards.
7.What is the process for return or replacement of CY14B116N-ZSP25XI?
All CY14B116N-ZSP25XI units undergo pre-shipment inspection (PSI). If there is an issue with CY14B116N-ZSP25XI, 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 CY14B116N-ZSP25XI part is unused and in its original packaging.
Return procedure for CY14B116N-ZSP25XI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY14B116N-ZSP25XI Tags

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