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Infineon Technologies CY14B101LA-ZS25XIT
- Part No.:
- CY14B101LA-ZS25XIT
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 44-TSOP (0.400", 10.16mm Width)
- Datasheet:
-
CY14B101LA-ZS25XIT.pdf
- Description:
- IC NVSRAM 1MBIT PAR 44TSOP II
- Quantity:
- Payment:
- Shipping:
Inventory:2,619
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Product details
Overview
CY14B101LA-ZS25XIT from Infineon Technologies (formerly Cypress) is a 1-Mbit nonvolatile SRAM (nvSRAM) with QuantumTrap technology, organized as 128 K × 8, operating at 25 ns access time, 3.0 V ±10% supply, and industrial temperature range (–40°C to +85°C). It performs automatic STORE on power-down using an external VCAP capacitor and supports software- or hardware-initiated STORE/RECALL cycles for data retention in mission-critical embedded systems.
For engineers reviewing the CY14B101LA-ZS25XIT datasheet, CY14B101LA-ZS25XIT pinout, CY14B101LA-ZS25XIT application, or CY14B101LA-ZS25XIT equivalent, key selection criteria include AutoStore timing, VCAP capacitance requirement (12 µF), HSB pin behavior during STORE, and compatibility with ×8 parallel bus interfaces in industrial controllers and telecom line cards.
Technical Context
This nvSRAM integrates standard SRAM cells with embedded QuantumTrap nonvolatile elements per cell, enabling parallel STORE/RECALL across all 131,072 bytes. The architecture decouples volatile read/write (infinite cycles) from nonvolatile endurance (1 million STOREs, 20-year retention).
AutoStore triggers when VCC drops below VSWITCH (2.2 V), disconnecting VCAP from VCC and using stored charge to complete a full memory STORE. Hardware STORE is initiated by pulling HSB low, while software STORE uses a specific address sequence - both inhibit SRAM access until completion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 1 Mbit (128 K × 8), providing byte-addressable fast SRAM with nonvolatile backup. |
| Access Time | 25 ns - defines maximum clock-to-data delay in high-speed microcontroller or FPGA interface designs. |
| Supply Voltage | 3.0 V +20% / –10% (2.7 V to 3.6 V) - compatible with standard 3.3 V logic rails without level shifting. |
| VCAP Capacitance | 12 µF tantalum or ceramic - minimum required external capacitor to guarantee AutoStore completion under worst-case VCC droop. |
| Data Retention | 20 years at +85°C - ensures long-term data integrity in unpowered storage for industrial logging or configuration preservation. |
| STORE Endurance | 1 million cycles - sets lifetime limit for frequent power-cycle applications like metering or edge gateways. |
| Operating Temp | –40°C to +85°C - validated for use in extended-temperature industrial enclosures and outdoor telecom equipment. |
Pinout & Package
Package: 32-pin Small Outline Integrated Circuit (SOIC), 300 mil width, RoHS-compliant, surface-mount.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A16 | Address Inputs | 17-bit address bus for 128 K × 8 configuration; A16 is used only in ×8 mode (not ×16). |
| DQ0–DQ7 | Bidirectional Data I/O | 8-bit parallel data path; tristated when OE HIGH or during STORE/RECALL. |
| CE, OE, WE | Control Inputs | Active-low chip enable, output enable, and write enable - standard SRAM control timing with tAA = 25 ns. |
| HSB | I/O Status/Control | Open-drain output indicating STORE progress (LOW); also accepts LOW pulse to initiate hardware STORE. |
| VCAP | Power Supply Terminal | Connects to 12 µF storage capacitor; internal regulator charges it from VCC during normal operation. |
| VCC, VSS | Power/Ground | Single 3.0 V supply rail; VSS must be low-inductance ground return for noise-sensitive STORE timing. |
Key Features
| Feature | Design Value |
|---|---|
| QuantumTrap Nonvolatile Cell | Embedded per-cell nonvolatile element enables true parallel STORE/RECALL without block erasure or wear leveling overhead. |
| AutoStore on Power Loss | Self-triggered at VCC < 2.2 V using VCAP charge - eliminates need for external power-fail detection circuitry. |
| Hardware STORE via HSB | External signal-initiated STORE with status feedback (HSB LOW) - enables deterministic backup before controlled shutdown. |
| Software STORE/RECALL | Register-based command execution via address sequence - allows firmware-controlled backup without hardware modification. |
| Infinite SRAM Read/Write | No endurance limitation on volatile operations - supports real-time data buffering identical to standard SRAM. |
Applications
| Industrial PLC Data Logging | Telecom Line Card Configuration |
|---|---|
Use Scenario: Storing runtime I/O state and alarm history in programmable logic controllers during unexpected AC loss. IC Role / Device Role / Timing Role: Nonvolatile memory buffer that retains last valid sensor values and program counters across power cycles. Use Value: Eliminates battery-backed SRAM maintenance and avoids data corruption during brownouts due to guaranteed AutoStore completion with 12 µF VCAP. | Use Scenario: Preserving port mapping, VLAN settings, and firmware boot parameters in carrier-grade Ethernet switches. IC Role / Device Role / Timing Role: Configuration store with immediate recall on power-up, synchronized to FPGA initialization sequence. Use Value: Enables zero-downtime failover by restoring full operational state within 100 µs of VCC stabilization, meeting ITU-T G.8262 holdover requirements. |
| Metering Firmware Parameter Storage | Railway Signaling Safety Memory |
Use Scenario: Holding tariff tables, calibration coefficients, and tamper-event timestamps in smart electricity meters. IC Role / Device Role / Timing Role: Secure, write-limited nonvolatile storage with deterministic STORE latency (< 20 ms) verified per IEC 62056. Use Value: Meets EN 13757-3 data integrity requirements through 1 million STORE cycles and 20-year retention at 85°C ambient. | Use Scenario: Archiving critical interlocking logic states and emergency brake commands in ERTMS Level 2 balise readers. IC Role / Device Role / Timing Role: SIL-2 compliant memory element with hardware STORE initiation via safety controller GPIO. Use Value: Provides traceable, non-battery-dependent data persistence required for CENELEC EN 50129 certification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nvSRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STK14C88-3A35I | 55 ns access time, 3.3 V only, no HSB pin, requires external power-fail detection for STORE. | Lacks hardware STORE trigger and AutoStore autonomy - increases system BOM and layout complexity. | Select only if 25 ns speed is unnecessary and design already includes discrete power-monitor ICs. |
| FM24V10-G | F-RAM-based, 45 ns access, unlimited STORE endurance, but lower density (1 Mbit ×8) and no VCAP-based AutoStore. | Eliminates STORE cycle timing constraints but requires continuous VCC monitoring for safe shutdown sequencing. | Prefer when application demands >1M STORE cycles/day; avoid if legacy AutoStore integration is required. |
Compared with STK14C88-3A35I and FM24V10-G, CY14B101LA-ZS25XIT uniquely combines 25 ns speed, autonomous VCAP-driven AutoStore, and HSB-controlled hardware STORE - making it optimal for space-constrained industrial controllers needing deterministic, low-overhead nonvolatile backup.
Availability
CY14B101LA-ZS25XIT is available at Aetrix Electronics and suitable for industrial PLCs, telecom line cards, smart metering systems, and railway signaling equipment requiring stable component supply and long-term lifecycle support.
Supply support for CY14B101LA-ZS25XIT 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, automotive MCUs, and memory solutions.
CY14B101LA-ZS25XIT belongs to Infineon's nvSRAM product line, designed specifically for industrial and infrastructure applications where battery-free, high-reliability data retention across uncontrolled power events is mandatory.
FAQ
What is the minimum VCAP capacitance required for reliable AutoStore operation?
The CY14B101LA-ZS25XIT requires a minimum 12 µF tantalum or low-ESR ceramic capacitor on the VCAP pin to ensure successful AutoStore completion across the full industrial temperature range and worst-case VCC droop profiles. Using less capacitance risks partial or failed STORE operations, leading to data corruption. The capacitor must be placed within 5 mm of the VCAP pin with low-inductance routing.
Can CY14B101LA-ZS25XIT be used in a ×16 bus configuration?
No - CY14B101LA-ZS25XIT is specifically the ×8 variant (128 K × 8), as indicated by the "LA" suffix. The ×16 version is CY14B101NA. Pinout, address mapping (A0–A16 vs. A0–A15), and data bus width (DQ0–DQ7 only) are fixed for this part number. Attempting ×16 use will result in incorrect addressing and data misalignment.
How does the HSB pin function during a hardware STORE cycle?
During hardware STORE, HSB is driven LOW by the device to indicate active STORE execution. It remains LOW for the full STORE duration (typically < 20 ms), then transitions HIGH. If externally pulled LOW, it initiates STORE; if left floating, internal weak pull-up holds it HIGH. An external pull-up resistor (10 kΩ) is recommended to prevent false triggering during power-up or noise events.
Is CY14B101LA-ZS25XIT compatible with modern 3.3 V FPGA I/O banks?
Yes - its 3.0 V ±10% supply range (2.7–3.6 V) fully overlaps with standard 3.3 V FPGA I/O voltage tolerances. Input thresholds meet LVTTL levels (VIH ≥ 2.0 V, VIL ≤ 0.8 V), and output drive strength complies with 3.3 V CMOS loading. No level shifters are needed when interfacing with Xilinx Artix-7 or Intel Cyclone V I/O banks configured for 3.3 V operation.
CY14B101LA-ZS25XIT 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:
- Non-Volatile
- Memory Format:
- NVSRAM
- Technology:
- NVSRAM (Non-Volatile SRAM)
- Memory Size:
- 1Mbit
- Memory Organization:
- 128K x 8
- 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:
- 44-TSOP II
CY14B101LA-ZS25XIT FAQ
1.How can I place an order for CY14B101LA-ZS25XIT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY14B101LA-ZS25XIT 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 CY14B101LA-ZS25XIT reliable?
The price and inventory of CY14B101LA-ZS25XIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY14B101LA-ZS25XIT is usually 5 days.
3.What payment methods are accepted for CY14B101LA-ZS25XIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY14B101LA-ZS25XIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY14B101LA-ZS25XIT?
CY14B101LA-ZS25XIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY14B101LA-ZS25XIT 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 CY14B101LA-ZS25XIT?
For technical support, including CY14B101LA-ZS25XIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY14B101LA-ZS25XIT requirements.
6.How does Aetrix verify that CY14B101LA-ZS25XIT is sourced from the original manufacturer or authorized distributors?
All CY14B101LA-ZS25XIT 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 CY14B101LA-ZS25XIT meets industry standards.
7.What is the process for return or replacement of CY14B101LA-ZS25XIT?
All CY14B101LA-ZS25XIT units undergo pre-shipment inspection (PSI). If there is an issue with CY14B101LA-ZS25XIT, 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 CY14B101LA-ZS25XIT part is unused and in its original packaging.
Return procedure for CY14B101LA-ZS25XIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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