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Infineon Technologies CY14B104LA-BA25XI
- Part No.:
- CY14B104LA-BA25XI
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 48-TFBGA
- Datasheet:
-
CY14B104LA-BA25XI.pdf
- Description:
- IC NVSRAM 4MBIT PARALLEL 48FBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,181
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Product details
Overview
CY14B104LA-BA25XI from Cypress Semiconductor is a 4-Mbit non-volatile SRAM (nvSRAM) with 512K × 8 organization, 25 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-triggered STORE/RECALL in systems requiring persistent memory without battery backup - such as industrial PLCs, medical data loggers, and telecom control cards.
For engineers reviewing the CY14B104LA-BA25XI datasheet, CY14B104LA-BA25XI pinout, CY14B104LA-BA25XI application, or CY14B104LA-BA25XI equivalent, key selection criteria include AutoStore timing compliance, VCAP capacitor sizing (0.1 µF), HSB pin behavior during STORE busy state, and ×8 vs ×16 configuration compatibility with host bus interface.
Technical Context
This nvSRAM integrates standard SRAM array (2048 × 2048) with parallel QuantumTrap non-volatile elements per cell, enabling simultaneous STORE/RECALL across all 524,288 bytes. The architecture decouples volatile read/write performance (infinite cycles) from non-volatile endurance (1 million STOREs, 20-year retention).
AutoStore activation relies on internal voltage monitoring of VCC against VSWITCH threshold; when VCC drops, the chip isolates VCAP and initiates STORE using stored charge. HSB serves dual role: input to trigger hardware STORE and open-drain output indicating active STORE via LOW assertion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory size | 4 Mbit (512K × 8), fully random-access SRAM with integrated non-volatile storage |
| Access time | 25 ns - determines minimum bus cycle duration for synchronous MPU interfaces |
| Supply voltage | 3.0 V ±10% (VCC min = 2.7 V, max = 3.6 V) - compatible with 3.3 V logic rails with margin |
| Non-volatile endurance | 1 million STORE cycles - defines maximum safe power-loss events before wear-out |
| Data retention | 20 years at +85°C - ensures long-term data integrity without refresh or power |
| Operating temperature | –40°C to +85°C - validated for industrial control and outdoor embedded deployment |
| VCAP capacitor | 0.1 µF ceramic - supplies energy for single STORE during VCC dropout; must be placed near VCAP pin |
Pinout & Package
Package: 44-pin Thin Small Outline Package (TSOP II), Type II, RoHS-compliant, body size 10.16 mm × 18.41 mm × 1.2 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A18 | Address input | 20-bit address bus for 512K × 8 addressing; A17/A18 used only in ×8 mode |
| DQ0–DQ7 | Bidirectional data I/O | 8-bit parallel data path; tristated when OE HIGH or during STORE/RECALL |
| WE | Write Enable (active LOW) | Controls write latch enable; must be held HIGH during AutoStore to avoid bus contention |
| CE | Chip Enable (active LOW) | Enables device decoding; deassertion disables all internal operations except AutoStore |
| OE | Output Enable (active LOW) | Activates output drivers during read; HIGH disables outputs to prevent bus conflicts |
| VCAP | AutoStore capacitor connection | Internal regulator charges external 0.1 µF cap; provides energy for STORE during VCC collapse |
| HSB | Hardware STORE Busy (I/O) | Open-drain output asserted LOW during STORE; also accepts external LOW pulse to initiate STORE |
| VSS / VCC | Ground / Power supply | Dual VSS pins improve noise immunity; VCC must be decoupled within 10 mm of package |
Key Features
| Feature | Design Value |
|---|---|
| Hands-off AutoStore | Automatic STORE triggered by VCC drop below VSWITCH - no firmware or external logic required |
| Software STORE/RECALL | Initiated via specific address sequence - enables deterministic, timed non-volatile save in real-time OS contexts |
| Hardware STORE via HSB | External controller asserts HSB LOW to request STORE - supports fail-safe shutdown sequencing |
| QuantumTrap cell architecture | Parallel STORE/RECALL across all 524,288 bytes - eliminates block erase delays and wear leveling overhead |
| Infinite SRAM read/write cycles | Standard SRAM interface behavior - allows full utilization as working memory without endurance concerns |
Applications
| Industrial Data Logger | Telecom Base Station Controller |
|---|---|
|
Use Scenario: Continuous sensor sampling with periodic power cycling in remote substations. IC Role / Device Role / Timing Role: Non-volatile scratchpad memory storing last valid measurement set before AC loss. Use Value: Eliminates supercapacitor/battery backup circuitry while guaranteeing data persistence across uncontrolled outages. |
Use Scenario: Configuration storage and runtime state capture in LTE eNodeB control modules. IC Role / Device Role / Timing Role: Stores FPGA bitstream checksums and alarm history during hot-swap PSU replacement. Use Value: Enables sub-100 ms RECALL at power-up, meeting 3GPP-defined boot-time requirements for carrier-grade equipment. |
| Medical Infusion Pump | Automotive ADAS ECU |
|
Use Scenario: Recording dose delivery logs and motor calibration offsets in Class IIa infusion devices. IC Role / Device Role / Timing Role: Retains audit trail and safety-critical parameters across battery swaps and emergency shutdowns. Use Value: Meets IEC 62304 SW safety classification by providing deterministic, testable STORE/RECALL with no moving parts. |
Use Scenario: Storing camera calibration matrices and lane detection model weights in vision-based ADAS ECUs. IC Role / Device Role / Timing Role: Preserves neural network inference context during ignition cycle transitions. Use Value: Avoids retraining latency on cold start; supports ASIL-B functional safety by eliminating EEPROM write variability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nvSRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| FM24V10-G | 4-Mbit F-RAM (1M × 4), 40 MHz SPI interface, no VCAP required, 10¹⁴ endurance | Serial interface limits bandwidth; unsuitable for parallel MPU buses requiring <25 ns access | Select when system uses SPI and prioritizes infinite endurance over speed |
| MB85RS4MT-FPN-GE1 | 4-Mbit FRAM (512K × 8), 108 MHz Quad SPI, built-in ECC, no STORE timing uncertainty | Quad SPI interface requires protocol translation; lacks HSB pin for hardware-controlled STORE | Select for high-speed serial logging where deterministic STORE latency is less critical than throughput |
Compared with FM24V10-G and MB85RS4MT-FPN-GE1, CY14B104LA-BA25XI uniquely delivers parallel ×8 SRAM timing with hardware-managed STORE/RECALL - essential for legacy MPU designs needing pin-compatible nvSRAM replacement without bus redesign.
Availability
CY14B104LA-BA25XI is available at Aetrix Electronics and suitable for industrial data loggers, telecom base station controllers, medical infusion pumps, and automotive ADAS ECUs requiring stable component supply with guaranteed long-term availability.
Supply support for CY14B104LA-BA25XI 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 communications markets.
CY14B104LA belongs to Cypress's nvSRAM product line, designed specifically to replace battery-backed SRAM in mission-critical systems where maintenance-free, long-life non-volatility is mandatory.
FAQ
What is the minimum VCAP capacitance required for reliable AutoStore operation?
The CY14B104LA-BA25XI requires a 0.1 µF X7R ceramic capacitor rated for ≥10 V, placed within 5 mm of the VCAP pin with low-inductance routing. This value ensures sufficient charge to complete one full STORE cycle when VCC drops from 2.7 V to VSWITCH (typ. 2.0 V). Larger capacitors extend STORE margin but do not improve reliability beyond specification.
Can CY14B104LA-BA25XI operate in ×16 mode?
No. CY14B104LA-BA25XI is factory-configured for 512K × 8 organization only. The CY14B104NA variant supports 256K × 16. Pinout and address mapping differ: LA uses A0–A18 and DQ0–DQ7; NA uses A0–A17 and DQ0–DQ15 with BHE/BLE pins. Interchangeability is not supported.
How does the HSB pin behave during power-up and AutoStore?
At power-up, HSB is internally pulled HIGH via 100 kΩ resistor and remains HIGH until RECALL completes. During AutoStore, HSB is driven LOW for tSTORE (max 20 ms) then returns HIGH. If HSB is externally pulled LOW before VCC stabilizes, the device ignores it until after RECALL finishes - preventing spurious STOREs during brown-out conditions.
Is software STORE affected by recent write activity?
No. Unlike AutoStore and Hardware STORE, software STORE executes unconditionally upon recognition of the defined address sequence (0x0000, 0x0001, 0x0002), regardless of whether writes occurred since last RECALL. This enables forced save-on-demand in safety-critical contexts where data volatility cannot be assumed.
CY14B104LA-BA25XI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 48-TFBGA
- Packaging:
- Tray
- 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:
- 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:
- 48-FBGA (6x10)
CY14B104LA-BA25XI FAQ
1.How can I place an order for CY14B104LA-BA25XI through Aetrix?
Please submit a Request for Quotation (RFQ) for CY14B104LA-BA25XI 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-BA25XI reliable?
The price and inventory of CY14B104LA-BA25XI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY14B104LA-BA25XI is usually 5 days.
3.What payment methods are accepted for CY14B104LA-BA25XI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY14B104LA-BA25XI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY14B104LA-BA25XI?
CY14B104LA-BA25XI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY14B104LA-BA25XI 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-BA25XI?
For technical support, including CY14B104LA-BA25XI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY14B104LA-BA25XI requirements.
6.How does Aetrix verify that CY14B104LA-BA25XI is sourced from the original manufacturer or authorized distributors?
All CY14B104LA-BA25XI 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-BA25XI meets industry standards.
7.What is the process for return or replacement of CY14B104LA-BA25XI?
All CY14B104LA-BA25XI units undergo pre-shipment inspection (PSI). If there is an issue with CY14B104LA-BA25XI, 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-BA25XI part is unused and in its original packaging.
Return procedure for CY14B104LA-BA25XI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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