My Inquiry
My Account
Renesas RMLV0408EGSB-4S2#AA0
- Part No.:
- RMLV0408EGSB-4S2#AA0
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 32-SOIC (0.400", 10.16mm Width)
- Datasheet:
-
RMLV0408EGSB-4S2#AA0.pdf
- Description:
- IC SRAM 4MBIT PARALLEL 32TSOP II
- Quantity:
- Payment:
- Shipping:
Inventory:1,641
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
RMLV0408EGSB-4S2#AA0 from Renesas Electronics is a 4Mb Advanced LPSRAM organized as 524,288-word × 8-bit, operating from a single 2.7–3.6V supply, with 45ns max access time and 0.4µA typical standby current. It supports battery backup systems and interfaces directly with TTL logic in embedded microcontroller-based data logging and industrial control modules.
For engineers reviewing the RMLV0408EGSB-4S2#AA0 datasheet, RMLV0408EGSB-4S2#AA0 pinout, RMLV0408EGSB-4S2#AA0 application, or RMLV0408EGSB-4S2#AA0 equivalent, this page delivers verified package mapping (32-pin TSOP II), functional timing parameters (tRC = 45ns, tOE = 22ns), low-power retention behavior (VDR = 1.5V), and validated alternatives for memory subsystem design continuity.
Technical Context
The RMLV0408EGSB-4S2#AA0 implements a fully static CMOS SRAM architecture with common I/O bus, three-state outputs, and asynchronous control via CS#, WE#, and OE#. Its address decoding covers A0–A18 (19-bit), enabling full 4Mb addressing without external latching.
All inputs and outputs are TTL-compatible (VIH = 2.2V min, VIL = 0.6V max), and the device enters ultra-low-power data retention mode when CS# is high and VCC ≥ 1.5V - supporting nonvolatile operation during main power loss in safety-critical edge nodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory size | 4Mb (524,288 × 8-bit) - provides sufficient buffer space for real-time sensor fusion or firmware patch storage in resource-constrained controllers. |
| Supply voltage | 2.7–3.6V - compatible with standard 3.3V system rails and tolerant of brown-out conditions down to 2.7V. |
| Access time | 45ns max - enables direct interface with legacy 20–25MHz microcontrollers without wait states. |
| Standby current | 0.4µA typ. at +25°C - extends battery life to years in always-on monitoring devices powered by coin cells. |
| Data retention VCC | 1.5V min - maintains RAM contents during deep sleep or main power failure without external backup capacitors. |
| Operating temperature | −40°C to +85°C - qualified for industrial automation, automotive body control, and outdoor telemetry applications. |
| I/O interface | Common bidirectional data bus (I/O0–I/O7) with three-state control - reduces PCB trace count and simplifies bus arbitration logic. |
Pinout & Package
Package: 32-pin TSOP (II), 400-mil width, surface-mount, JEDEC-standard footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Power supply | Primary 2.7–3.6V rail connection; decoupling capacitor required within 5mm for noise immunity. |
| VSS | Ground | Digital ground reference; must be connected to system GND plane with low-inductance path. |
| A0–A18 | Address input | 19-bit address bus; A0 is LSB, A18 is MSB - fully decodes 524,288 locations without external address multiplexing. |
| I/O0–I/O7 | Data input/output | Bidirectional 8-bit data bus; high-impedance when CS# high or OE# high - enables shared bus topology. |
| CS# | Chip select | Active-low enable; controls internal buffers and initiates data retention mode when high and VCC ≥ 1.5V. |
| WE# | Write enable | Active-low write strobe; sampled synchronously with CS# to define write cycle boundaries per AC specs. |
| OE# | Output enable | Active-low output gate; asserts valid data on I/O bus only when CS# and OE# are both low. |
Key Features
| Feature | Design Value |
|---|---|
| Single 3V supply operation | Eliminates need for dual-voltage regulators or level shifters in 3.3V systems, reducing BOM cost and layout complexity. |
| 45ns equal access/cycle times | Enables deterministic timing margins in hard real-time systems where read and write throughput must be symmetric and predictable. |
| 0.4µA standby current (typ.) | Supports >10-year battery life in wireless sensor nodes using CR2032 cells, assuming 1% duty-cycle wake-up intervals. |
| TTL-compatible I/O | Direct interfacing with legacy MCU GPIOs (e.g., Renesas RL78, SH-2A) without external translators or pull-up networks. |
| Low-VCC data retention | Maintains stored configuration or last-known-state values at VCC = 1.5V, enabling graceful shutdown and fast recovery after power interruption. |
Applications
| Industrial Data Logger | Automotive Body Control Module |
|---|---|
|
Use Scenario: Continuous acquisition of CAN bus diagnostics, temperature, and voltage readings in factory-floor equipment. IC Role / Device Role / Timing Role: Primary volatile buffer storing timestamped sensor frames before batch transmission over RS-485. Use Value: 45ns access ensures no frame loss at 10kHz sampling; 0.4µA standby preserves logs during overnight power-down. |
Use Scenario: Storing door lock status, mirror position, and seat memory settings in 12V vehicle electrical architecture. IC Role / Device Role / Timing Role: Nonvolatile shadow RAM holding user preferences across ignition cycles, backed by VCC dropout detection. Use Value: 1.5V data retention threshold aligns with automotive battery sag profiles, eliminating need for supercapacitor backup. |
| Medical Portable Monitor | Smart Energy Meter |
|
Use Scenario: Real-time ECG waveform buffering and algorithmic preprocessing in handheld diagnostic devices. IC Role / Device Role / Timing Role: High-speed scratchpad memory for FIR filter coefficients and intermediate sample buffers. Use Value: TTL compatibility allows direct connection to low-cost 8-bit MCUs; −40°C to +85°C rating supports field-deployed units. |
Use Scenario: Accumulating pulse-count data and tariff-switching timestamps during utility grid outages. IC Role / Device Role / Timing Role: Battery-backed RAM preserving billing integrity during mains failure, synchronized to RTC interrupts. Use Value: 0.4µA standby current extends CR123A battery life beyond 10 years, meeting ANSI C12.22 metering standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IS61LV25616AL-10TLI | 256K × 16-bit (4Mb), 10ns access, 3.3V-only (3.135–3.465V), 32-pin TSOP II, higher speed but narrower voltage range. | Requires tighter VCC regulation; unsuitable for battery-sag scenarios below 3.135V. | Select when system clock >25MHz demands sub-10ns timing and regulated 3.3V rail is guaranteed. |
| AS6C4008-55ZIN | 512K × 8-bit (4Mb), 55ns access, 2.7–3.6V, 32-pin SOP, higher standby current (2µA typ.), same pinout as SOP variant of RMLV0408E. | Larger package footprint; not drop-in for TSOP II layout; better suited for prototyping or low-volume through-hole assembly. | Choose for manual soldering or legacy board rework where SOP is preferred, accepting slower timing and higher quiescent draw. |
Compared with RMLV0408EGSB-4S2#AA0, IS61LV25616AL-10TLI offers faster access but sacrifices voltage flexibility critical for battery operation, while AS6C4008-55ZIN matches voltage range and density but trades speed and package compatibility for ease of hand-assembly - making RMLV0408EGSB-4S2#AA0 optimal for production-grade, space-constrained, wide-input industrial designs.
Availability
RMLV0408EGSB-4S2#AA0 is available at Aetrix Electronics and suitable for industrial data loggers, automotive body control modules, portable medical monitors, smart energy meters, and battery-backed telemetry systems requiring stable component supply across extended product lifecycles.
Supply support for RMLV0408EGSB-4S2#AA0 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
Renesas Electronics Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and memory solutions for industrial, automotive, and enterprise applications.
The RMLV0408E Series was designed specifically for low-power, high-reliability embedded memory applications requiring battery backup, wide temperature operation, and direct TTL interfacing - targeting industrial control, automotive subsystems, and portable instrumentation.
FAQ
What is the maximum access time specification for RMLV0408EGSB-4S2#AA0?
The RMLV0408EGSB-4S2#AA0 has a maximum access time of 45ns under all operating conditions (VCC = 2.7–3.6V, TA = −40°C to +85°C). This value is measured from address valid to valid data output (tAA) and applies equally to read and write cycle times (tRC and tWC), ensuring deterministic timing for synchronous bus protocols.
Does RMLV0408EGSB-4S2#AA0 support true data retention during power loss?
Yes, RMLV0408EGSB-4S2#AA0 supports guaranteed data retention down to VCC = 1.5V when CS# is held high. At +25°C, its typical data retention current is 0.4µA, allowing multi-year retention on small backup batteries or supercapacitors - a key feature confirmed in the Low VCC Data Retention Characteristics table (Page 10).
Is RMLV0408EGSB-4S2#AA0 pin-compatible with other variants in the RMLV0408E family?
RMLV0408EGSB-4S2#AA0 uses the 32-pin TSOP (II) package with standardized pinout per Renesas datasheet Figure 1 (Page 2). It shares identical pin functions and assignments with RMLV0408EGSA-4S2#AA0 (sTSOP) and RMLV0408EGSP-4S2#CA0 (SOP), though mechanical dimensions differ - requiring PCB footprint changes between packages.
What are the DC input voltage thresholds for RMLV0408EGSB-4S2#AA0 control signals?
Per DC Operating Conditions (Page 4), RMLV0408EGSB-4S2#AA0 defines VIH ≥ 2.2V (min) and VIL ≤ 0.6V (max) for all inputs including CS#, WE#, and OE#. These thresholds ensure robust noise margins and direct compatibility with 3.3V TTL and CMOS logic families without level-shifting circuitry.
Can RMLV0408EGSB-4S2#AA0 operate reliably at −40°C ambient temperature?
Yes, RMLV0408EGSB-4S2#AA0 is fully specified and tested across −40°C to +85°C ambient temperature. The datasheet confirms AC timing (e.g., tRC = 45ns max), DC leakage (|ILI| ≤ 1µA), and standby current (ISB1 ≤ 7µA at +85°C) are guaranteed over this full industrial range - validated per Renesas quality grade "Standard" for industrial equipment use.
RMLV0408EGSB-4S2#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 32-SOIC (0.400", 10.16mm Width)
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- 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:
- 32-TSOP II
RMLV0408EGSB-4S2#AA0 FAQ
1.How can I place an order for RMLV0408EGSB-4S2#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for RMLV0408EGSB-4S2#AA0 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 RMLV0408EGSB-4S2#AA0 reliable?
The price and inventory of RMLV0408EGSB-4S2#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RMLV0408EGSB-4S2#AA0 is usually 5 days.
3.What payment methods are accepted for RMLV0408EGSB-4S2#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RMLV0408EGSB-4S2#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RMLV0408EGSB-4S2#AA0?
RMLV0408EGSB-4S2#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RMLV0408EGSB-4S2#AA0 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 RMLV0408EGSB-4S2#AA0?
For technical support, including RMLV0408EGSB-4S2#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RMLV0408EGSB-4S2#AA0 requirements.
6.How does Aetrix verify that RMLV0408EGSB-4S2#AA0 is sourced from the original manufacturer or authorized distributors?
All RMLV0408EGSB-4S2#AA0 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 RMLV0408EGSB-4S2#AA0 meets industry standards.
7.What is the process for return or replacement of RMLV0408EGSB-4S2#AA0?
All RMLV0408EGSB-4S2#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with RMLV0408EGSB-4S2#AA0, 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 RMLV0408EGSB-4S2#AA0 part is unused and in its original packaging.
Return procedure for RMLV0408EGSB-4S2#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RMLV0408EGSB-4S2#AA0 Tags
-
M24C02-WMN6TP
STMicroelectronics
-
AT24C02C-XHM-T
Microchip Technology
-
AT21CS01-STUM10-T
Microchip Technology
-
AT24C02C-SSHM-T
Microchip Technology
-
24LC01BT-I/OT
Microchip Technology
-
M24C02-FMC6TG
STMicroelectronics
-
AT24CS02-SSHM-T
Microchip Technology
-
93LC46BT-I/OT
Microchip Technology
-
AT24C04C-SSHM-T
Microchip Technology
-
24LC01BT-I/SN
Microchip Technology
-
24AA02UIDT-I/OT
Microchip Technology
-
AT24C08C-STUM-T
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
