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Infineon Technologies CY62157EV30LL-45BVXI
- Part No.:
- CY62157EV30LL-45BVXI
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 48-VFBGA
- Datasheet:
-
CY62157EV30LL-45BVXI.pdf
- Description:
- IC SRAM 8MBIT PARALLEL 48VFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,680
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Product details
Overview
CY62157EV30LL-45BVXI from Infineon Technologies (formerly Cypress) is a 8-Mbit MoBL® CMOS static RAM organized as 512K × 16, operating at 45 ns access time over –40 °C to +85 °C industrial temperature range, with 2.2 V–3.6 V supply voltage and ultra-low 2 µA typical standby current. It serves as a low-power, high-speed memory buffer in portable embedded systems requiring battery longevity and deterministic timing.
For engineers reviewing the CY62157EV30LL-45BVXI datasheet, CY62157EV30LL-45BVXI pinout, CY62157EV30LL-45BVXI application, or CY62157EV30LL-45BVXI equivalent, key selection criteria include its dual-configurable organization (512K × 16 / 1M × 8), automatic CE-driven power-down behavior, byte-level write enable (BHE/ BLE), and TSOP I package compatibility with legacy CY62157DV30 designs.
Technical Context
This SRAM implements a fully static, asynchronous architecture with independent byte-enable control for high-efficiency partial-word writes. Its internal power-down circuit activates when CE1 is HIGH or CE2 is LOW or both BHE and BLE are HIGH - enabling sub-µA retention states without external logic.
It supports two distinct memory configurations: standard 512K × 16 mode (default), and 1M × 8 mode enabled by tying BYTE pin LOW in 48-pin TSOP I packages. Addressing uses 19 address lines (A0–A18), with A19 repurposed as I/O15 in 1M × 8 mode, and all timing parameters guaranteed across full VCC (2.2–3.6 V) and temperature (–40 °C to +85 °C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 8 Mbit (512K × 16), configurable as 1M × 8 in TSOP I package via BYTE pin |
| Access Time | 45 ns maximum - guarantees deterministic read latency under worst-case industrial conditions |
| Supply Voltage | 2.2 V to 3.6 V - enables direct interface with 2.5 V and 3.3 V microcontrollers without level shifters |
| Standby Current | 2 µA typical / 8 µA max - reduces quiescent power in always-on subsystems like RTC backup or sensor buffers |
| Active Current | 6 mA typical at 1 MHz - balances performance and battery life in burst-access applications |
| Operating Temp | –40 °C to +85 °C - qualified for industrial and automotive-A environments without derating |
| Data Retention | 1.5 V minimum VCC - allows operation down to near-threshold voltage during brown-out or sleep modes |
Pinout & Package
Package: 48-pin Thin Small Outline Package (TSOP I), RoHS-compliant, surface-mountable with 0.5 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A18 | Address Inputs | 19-bit address bus supporting 512K-word addressing; A19 reused as I/O15 in 1M×8 mode |
| I/O0–I/O15 | Bidirectional Data Bus | 16-bit parallel interface; split into low-byte (I/O0–I/O7) and high-byte (I/O8–I/O15) via BLE/BHE |
| CE1, CE2 | Chip Enable Inputs | Two active-Low enables allow hierarchical memory mapping and automatic power-down when either is inactive |
| OE | Output Enable | Controls output drivers only; does not affect internal power state - decouples read timing from power management |
| WE | Write Enable | Active-Low signal initiating write cycle; timing referenced to CE and byte enables per truth table |
| BHE, BLE | Byte High/Low Enable | Independent 8-bit write masking - eliminates need for external byte-gating logic in mixed-data-width systems |
| VCC, VSS | Power Supply | Dual VCC pins (pins 24, 48) and dual VSS pins (pins 23, 47) reduce IR drop and improve noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| MoBL® Ultra-Low Power Architecture | 2 µA typical standby current enables multi-year battery life in portable telemetry nodes |
| Automatic Power-Down on Deselect | Zero software overhead power gating triggered by CE1/CE2/BHE/BLE states - no register writes required |
| Configurable Memory Organization | Hardware-selectable 512K × 16 or 1M × 8 mode supports migration between data-width-constrained and density-constrained designs |
| CMOS-Compatible Interface | VIH/VIL thresholds scale with VCC (e.g., VIH = 2.2 V min at 2.7–3.6 V), ensuring robust noise margin across voltage range |
| High-Z Output Control | tHZOE ≤ 18 ns and tLZOE ≥ 5 ns guarantee clean bus release timing for multi-drop SRAM buses |
Applications
| Portable Medical Monitor | Industrial PLC I/O Buffer |
|---|---|
Use Scenario: Real-time waveform capture and local display buffering in handheld ECG devices powered by coin-cell batteries. IC Role / Device Role / Timing Role: Primary data buffer between ADC and display controller, holding 512K samples at 16-bit resolution with deterministic 45 ns read access. Use Value: 2 µA standby current extends battery life beyond 3 years in sleep mode; automatic power-down eliminates firmware power-state management overhead. | Use Scenario: Temporary storage of sensor input snapshots and actuator command queues in modular I/O modules with field-replaceable firmware. IC Role / Device Role / Timing Role: Dual-port accessible SRAM acting as shared memory between ARM Cortex-M7 application core and isolated safety-monitoring MCU. Use Value: Byte-enable (BHE/ BLE) allows concurrent 8-bit updates from both processors without bus contention or arbitration logic. |
| Automotive ADAS Camera Preprocessor | Smart Energy Meter Data Logger |
Use Scenario: Frame buffering for real-time image correction (defect pixel replacement, gamma adjustment) before JPEG compression in rear-view camera modules. IC Role / Device Role / Timing Role: Low-latency scratchpad memory interfacing directly to image signal processor (ISP) parallel bus at 3.3 V. Use Value: 45 ns access time meets sub-100 ns pixel-clock timing budgets; –40 °C to +85 °C rating ensures reliability in under-hood thermal cycling. | Use Scenario: Secure, tamper-resistant storage of hourly consumption logs and tariff schedules in DIN-rail mounted electricity meters with 10+ year service life. IC Role / Device Role / Timing Role: Non-volatile shadow RAM backed by supercapacitor, retaining critical billing data during AC mains failure. Use Value: 1.5 V data retention threshold allows >24-hour hold-up time with minimal energy storage; Pb-free TSOP I package supports lead-free reflow profiles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, low-power SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IS61LV51216AL-10TLI | 10 ns faster access (35 ns), but higher 12 µA max ISB and narrower 3.0–3.6 V VCC range | Requires tighter voltage regulation; unsuitable for 2.5 V systems or extended battery discharge curves | Select when system clock demands <40 ns latency and stable 3.3 V rail is guaranteed |
| CY62157DV30LL-45ZSXI | Single CE pin (CE), no BYTE pin, identical 45 ns speed and 2.2–3.6 V range; lacks 1M×8 mode | Not pin-compatible due to missing CE2, BHE, BLE, and BYTE pins; requires PCB redesign | Choose only for cost-sensitive legacy replacements where 512K×16 mode suffices and board layout permits pin count reduction |
Compared with IS61LV51216AL-10TLI, CY62157EV30LL-45BVXI trades raw speed for broader voltage tolerance and lower standby power - critical for battery-operated edge nodes. Against CY62157DV30LL-45ZSXI, it adds configurability and finer-grained power control at the cost of two extra enable pins.
Availability
CY62157EV30LL-45BVXI is available at Aetrix Electronics and suitable for portable medical monitors, industrial PLC I/O buffers, automotive ADAS camera preprocessors, and smart energy meter data loggers requiring stable component supply across long production lifecycles.
Supply support for CY62157EV30LL-45BVXI 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 management, sensing, connectivity, and memory solutions for industrial, automotive, and IoT applications.
This device belongs to the MoBL® (More Battery Life™) SRAM product line, engineered specifically for ultra-low-power, high-reliability data buffering in battery-constrained portable and automotive electronics.
FAQ
What is the function of the BYTE pin on CY62157EV30LL-45BVXI?
The BYTE pin is present only in the 48-pin TSOP I package and determines memory organization: tied HIGH for standard 512K × 16 mode; tied LOW to configure as 1M × 8, repurposing pin 45 as A19 and disabling BHE/BLE and I/O8–I/O14. It has no effect in VFBGA or TSOP II packages.
Does CY62157EV30LL-45BVXI support true 1M × 8 operation with full addressability?
Yes - in 1M × 8 mode (BYTE = LOW), A0–A18 plus A19 (on pin 45) provide full 20-bit addressing for 1M words. I/O0–I/O7 remain active; I/O8–I/O15, BHE, BLE, and associated control logic are disabled per datasheet Figure 3 and Ordering Code Definitions.
How does automatic power-down activate, and what is its impact on data retention?
Power-down triggers when CE1 is HIGH or CE2 is LOW or both BHE and BLE are HIGH. During this state, ICC drops to ≤8 µA (industrial), and data is retained as long as VCC ≥ 1.5 V. No external command or clock is needed - activation is purely combinational and immediate.
Can CY62157EV30LL-45BVXI be used with a 2.5 V microcontroller without level shifting?
Yes - its VIH(min) is 1.8 V at VCC = 2.2–2.7 V and 2.2 V at VCC = 2.7–3.6 V, while VIL(max) is 0.6 V and 0.8 V respectively. A 2.5 V MCU's 0.7 V VOL and 1.7 V VOH fall within these margins, enabling direct connection with verified noise margin.
CY62157EV30LL-45BVXI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- MOBL™
- Package/Case:
- 48-VFBGA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Asynchronous
- Memory Size:
- 8Mbit
- Memory Organization:
- 512K x 16
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 45ns
- Access Time:
- 45 ns
- Voltage - Supply:
- 2.2V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-VFBGA (6x8)
CY62157EV30LL-45BVXI FAQ
1.How can I place an order for CY62157EV30LL-45BVXI through Aetrix?
Please submit a Request for Quotation (RFQ) for CY62157EV30LL-45BVXI 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 CY62157EV30LL-45BVXI reliable?
The price and inventory of CY62157EV30LL-45BVXI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY62157EV30LL-45BVXI is usually 5 days.
3.What payment methods are accepted for CY62157EV30LL-45BVXI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY62157EV30LL-45BVXI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY62157EV30LL-45BVXI?
CY62157EV30LL-45BVXI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY62157EV30LL-45BVXI 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 CY62157EV30LL-45BVXI?
For technical support, including CY62157EV30LL-45BVXI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY62157EV30LL-45BVXI requirements.
6.How does Aetrix verify that CY62157EV30LL-45BVXI is sourced from the original manufacturer or authorized distributors?
All CY62157EV30LL-45BVXI 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 CY62157EV30LL-45BVXI meets industry standards.
7.What is the process for return or replacement of CY62157EV30LL-45BVXI?
All CY62157EV30LL-45BVXI units undergo pre-shipment inspection (PSI). If there is an issue with CY62157EV30LL-45BVXI, 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 CY62157EV30LL-45BVXI part is unused and in its original packaging.
Return procedure for CY62157EV30LL-45BVXI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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