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Infineon Technologies CY14B104LA-ZS45XIT
- Part No.:
- CY14B104LA-ZS45XIT
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 44-TSOP (0.400", 10.16mm Width)
- Datasheet:
-
CY14B104LA-ZS45XIT.pdf
- Description:
- IC NVSRAM 4MBIT PAR 44TSOP II
- Quantity:
- Payment:
- Shipping:
Inventory:4,693
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Product details
Overview
CY14B104LA-ZS45XIT from Cypress Semiconductor is a 4-Mbit non-volatile SRAM (nvSRAM) with 512K × 8 organization, 45 ns access time, single 3 V (+20%, –10%) supply, industrial temperature range (–40°C to +85°C), and QuantumTrap non-volatile storage technology. It performs automatic STORE on power-down using an external VCAP capacitor and supports software- or hardware-initiated STORE/RECALL operations in systems requiring persistent memory without battery backup - such as industrial PLCs, medical data loggers, and telecom control cards.
For engineers reviewing the CY14B104LA-ZS45XIT datasheet, CY14B104LA-ZS45XIT pinout, CY14B104LA-ZS45XIT application, or CY14B104LA-ZS45XIT equivalent, this page delivers verified technical context, exact pin functions for TSOP II and FBGA packages, real-world use cases in fail-safe data retention, and validated alternative nvSRAM options with documented functional trade-offs.
Technical Context
This nvSRAM integrates standard SRAM array (2048 × 2048) with parallel QuantumTrap non-volatile elements per cell, enabling simultaneous STORE/RECALL across all memory locations. It operates in ×8 mode only (A0–A18, DQ0–DQ7), with no BHE/ BLE support - distinguishing it from the ×16 CY14B104NA variant.
STORE is triggered by power loss (via VCAP discharge below VSWITCH), HSB pin assertion, or software address sequence; RECALL occurs automatically at power-up or via software command. All SRAM read/write operations are inhibited during STORE/RECALL cycles, and HSB serves dual role: input request signal and open-drain busy indicator with internal 100 kΩ pull-up.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 4 Mbit (512K × 8), fixed ×8 organization - no ×16 mode support. |
| Access Time | 45 ns max - defines minimum cycle time for reliable read/write under industrial voltage/temperature conditions. |
| Supply Voltage | 3.0 V ±10% / +20% (2.7 V to 3.6 V) - compatible with standard 3.3 V logic rails with margin for ripple and drop. |
| Data Retention | 20 years at +85°C - guaranteed non-volatile data hold without refresh or power. |
| STORE Endurance | 1 million STORE cycles - limits field lifetime in high-frequency logging applications. |
| Operating Temp | –45°C to +85°C - validated for industrial environments including factory automation and outdoor base stations. |
| VCAP Requirement | 0.1 µF ceramic capacitor on VCAP pin - supplies energy for single STORE during VCC collapse; absence disables AutoStore. |
Pinout & Package
Package: 44-pin Thin Small Outline Package (TSOP II), Type II, RoHS-compliant, surface-mount.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A18 | Address Input | 19-bit address bus for 512K-byte addressing; A18 used only in ×8 mode. |
| DQ0–DQ7 | Bidirectional Data I/O | 8-bit data path; tristated when OE HIGH or during STORE/RECALL. |
| WE | Write Enable (Active LOW) | Controls write latch timing; must be stable before and during write cycle; pulled HIGH at power-up recommended. |
| CE | Chip Enable (Active LOW) | Selects device; deassertion disables outputs and halts internal operations except STORE/RECALL triggers. |
| OE | Output Enable (Active LOW) | Enables DQ drivers during read; HIGH places DQ in high-impedance state. |
| HSB | Hardware STORE Busy (I/O) | Open-drain output indicating STORE progress (LOW); also accepts external LOW pulse to initiate STORE. |
| VCAP | AutoStore Capacitor Supply | Connects to 0.1 µF capacitor; internal regulator charges it from VCC; powers STORE during VCC dropout. |
| VCC | Power Supply | 3 V core supply; powers SRAM and QuantumTrap logic; regulated internally for VCAP charging. |
| VSS | Ground | System ground reference; required for stable operation and noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Hands-off AutoStore on power loss | Eliminates need for external power-fail detection circuitry; relies solely on VCAP capacitor and internal voltage switch. |
| Software-controlled STORE/RECALL | Enables deterministic non-volatile save points via address-based command sequence - critical for transactional data integrity. |
| Hardware STORE via HSB pin | Allows system-level control of STORE timing (e.g., after critical write completion), with busy feedback for synchronization. |
| 20-year data retention at +85°C | Validated endurance for long-lifecycle industrial deployments where replacement is impractical or costly. |
| Infinite SRAM read/write cycles | Preserves full SRAM performance characteristics - no wear-out mechanism affects volatile operation. |
Applications
| Industrial Data Logger | Telecom Control Card |
|---|---|
|
Use Scenario: Continuous acquisition of sensor readings (temperature, pressure, voltage) in unattended remote sites with intermittent power. IC Role / Device Role / Timing Role: Non-volatile scratchpad memory that captures last valid state before brownout and restores it on recovery. Use Value: Prevents loss of mission-critical operational history without battery or supercapacitor backup circuitry. |
Use Scenario: Storing configuration registers and call-state tables in carrier-grade line cards subject to frequent firmware updates and hot-swap events. IC Role / Device Role / Timing Role: Fail-safe register bank with sub-100 µs STORE latency and zero software overhead for power-loss protection. Use Value: Ensures state consistency across reboots and prevents service interruption due to corrupted control memory. |
| Medical Diagnostic Equipment | Programmable Logic Controller (PLC) |
|
Use Scenario: Recording real-time ECG waveform buffers and calibration parameters in portable ultrasound or patient monitors. IC Role / Device Role / Timing Role: High-reliability memory for safety-critical runtime data with guaranteed recall on next power-up. Use Value: Meets IEC 62304 Class C software requirements for data persistence without external NV backup components. |
Use Scenario: Holding ladder logic scan state and I/O mapping in factory-floor PLCs exposed to voltage sags and EMI. IC Role / Device Role / Timing Role: Atomic memory for process state snapshots synchronized to scan cycle boundaries via HSB handshake. Use Value: Enables deterministic restart after power interruption - avoids machine misalignment or batch corruption. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar non-volatile SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY14B104NA-ZS45XI | Same density and timing, but ×16 organization (256K × 16); includes BHE/ BLE pins; no A18; incompatible pinout. | Requires 16-bit data bus and different address decoding; not drop-in for ×8 systems. | Select only if migrating to wider bus architecture and redesigning PCB layout and firmware addressing. |
| FM24V04-G | F-RAM-based 4-Mbit (512K × 8); unlimited STORE endurance; 3.3 V operation; no VCAP capacitor needed; 55 ns access. | No STORE latency variability; no power-loss dependency on capacitor health; lower write-energy profile. | Prefer for high-write-frequency applications (>1M STOREs/year) or where capacitor reliability is a concern. |
Compared with CY14B104NA-ZS45XI, CY14B104LA-ZS45XIT offers direct ×8 compatibility and simpler address routing; versus FM24V04-G, it provides faster STORE initiation under power loss but requires capacitor management and has finite STORE endurance.
Availability
CY14B104LA-ZS45XIT is available at Aetrix Electronics and suitable for industrial data loggers, telecom control cards, and medical diagnostic equipment requiring stable component supply, long-term lifecycle support, and guaranteed RoHS compliance.
Supply support for CY14B104LA-ZS45XIT 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) designs high-reliability memory and programmable solutions for industrial, automotive, and communications markets.
CY14B104LA belongs to the QuantumTrap nvSRAM product line, engineered specifically for systems needing battery-free, fast, and deterministic non-volatile storage in harsh power environments.
FAQ
What is the function of the VCAP pin, and what capacitor value is required?
The VCAP pin connects to a 0.1 µF ceramic capacitor that stores charge during normal operation and powers the STORE operation when VCC drops below VSWITCH (~2.7 V). This capacitor must be placed as close as possible to the VCAP pin with low-inductance routing. Using a smaller or larger value risks incomplete STORE or excessive power-up delay; the 0.1 µF value is validated in the datasheet for 45 ns timing grade devices.
Can CY14B104LA-ZS45XIT operate in ×16 mode?
No. CY14B104LA-ZS45XIT is strictly a 512K × 8 device with A0–A18 addressing and DQ0–DQ7 data lines. The ×16 variant is CY14B104NA, which uses A0–A17 and DQ0–DQ15 and includes BHE/ BLE pins. Pinouts, address mapping, and package pin assignments are incompatible between the two parts.
How does the HSB pin behave during a STORE operation?
HSB is an open-drain I/O pin with internal 100 kΩ weak pull-up. During STORE (auto, hardware, or software), it is actively driven LOW to indicate busy status. After STORE completion, it is driven HIGH for tHHHD (~100 ns) with full drive strength, then floats to HIGH via the internal pull-up. External pull-up is optional but recommended for noise immunity in noisy environments.
Is AutoStore enabled by default, and what happens if VCAP is unconnected?
Yes, AutoStore is enabled by default. If VCAP is unconnected or undersized, the device attempts STORE during power loss but lacks sufficient energy - resulting in partial or corrupted data transfer to QuantumTrap cells. The datasheet mandates disabling AutoStore via software sequence (write to specific address) if VCAP is omitted; failure to do so risks unrecoverable data loss.
CY14B104LA-ZS45XIT 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:
- 4Mbit
- Memory Organization:
- 512K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 45ns
- Access Time:
- 45 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
CY14B104LA-ZS45XIT FAQ
1.How can I place an order for CY14B104LA-ZS45XIT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY14B104LA-ZS45XIT 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 CY14B104LA-ZS45XIT reliable?
The price and inventory of CY14B104LA-ZS45XIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY14B104LA-ZS45XIT is usually 5 days.
3.What payment methods are accepted for CY14B104LA-ZS45XIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY14B104LA-ZS45XIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY14B104LA-ZS45XIT?
CY14B104LA-ZS45XIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY14B104LA-ZS45XIT 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 CY14B104LA-ZS45XIT?
For technical support, including CY14B104LA-ZS45XIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY14B104LA-ZS45XIT requirements.
6.How does Aetrix verify that CY14B104LA-ZS45XIT is sourced from the original manufacturer or authorized distributors?
All CY14B104LA-ZS45XIT 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 CY14B104LA-ZS45XIT meets industry standards.
7.What is the process for return or replacement of CY14B104LA-ZS45XIT?
All CY14B104LA-ZS45XIT units undergo pre-shipment inspection (PSI). If there is an issue with CY14B104LA-ZS45XIT, 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 CY14B104LA-ZS45XIT part is unused and in its original packaging.
Return procedure for CY14B104LA-ZS45XIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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