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Renesas R1LP0108ESA-5SR#S0
- Part No.:
- R1LP0108ESA-5SR#S0
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 32-TFSOP (0.465", 11.80mm Width)
- Datasheet:
-
R1LP0108ESA-5SR#S0.pdf
- Description:
- IC SRAM 1MBIT PARALLEL 32TSOP I
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
R1LP0108ESA-5SR#S0 from Renesas Electronics is a 1Mb (128k × 8-bit) low-power static RAM with 55 ns access time, single 4.5–5.5 V supply, and 0.6 µA typical standby current at 5.0 V. It features TTL-compatible I/O, no refresh requirement, and dual chip select (CS1#, CS2) for seamless memory expansion in battery-backed systems.
For engineers reviewing the R1LP0108ESA-5SR#S0 datasheet, R1LP0108ESA-5SR#S0 pinout, R1LP0108ESA-5SR#S0 application, or R1LP0108ESA-5SR#S0 equivalent, this device serves as a drop-in replacement for legacy 32-pin SRAMs in industrial control panels, portable instrumentation, and embedded data loggers requiring reliable non-volatile data retention during power loss.
Technical Context
The R1LP0108ESA-5SR#S0 implements a fully static 128k-word × 8-bit memory array using Renesas's 0.15 µm CMOS process, eliminating clocking and refresh circuitry. Its dual chip select architecture (CS1# active-low, CS2 active-high) enables hierarchical memory mapping without external logic.
Three-state outputs support OR-tie bus configurations, while OE# ensures clean I/O bus contention control. Data retention is guaranteed down to 2.0 V with sub-1 µA current draw at +25°C, enabled by either CS2 ≤ 0.2 V or CS1# ≥ Vcc−0.2 V with CS2 held high.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory size | 1 Mb (131,072 × 8-bit), enabling compact 128 KB data buffers without external address latching |
| Access time | 55 ns max - supports 16 MHz microcontroller bus timing with margin |
| Supply voltage | 4.5–5.5 V - compatible with standard 5 V logic rails and tolerant of ±5% regulation drift |
| Standby current | 0.6 µA typical at 5.0 V/25°C - extends battery life to years in always-on backup mode |
| I/O interface | TTL-compatible inputs/outputs - eliminates level-shifting in legacy 5 V systems |
| Package | 32-pin sTSOP (8 mm × 13.4 mm, normal-bend) - surface-mount footprint with 0.5 mm pitch for high-density PCBs |
| Data retention VCC | 2.0–5.5 V - maintains stored data during brown-out or backup battery operation |
Pinout & Package
Package: 32-pin plastic sTSOP (PTSA0032KB-A), 8 mm × 13.4 mm body, normal-bend leads, JEDEC-standard footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A16 | Address input | 17-bit address bus supporting full 128k-word decoding; A16 enables 1 Mb addressing |
| DQ0–DQ7 | Data I/O | 8-bit bidirectional common bus; three-state controlled by OE# and chip selects |
| CS1#, CS2 | Chip select | CS1# active-low + CS2 active-high enable hierarchical decode; both required for read/write activation |
| WE# | Write enable | Active-low write strobe; write occurs on overlap of CS1# low, CS2 high, WE# low |
| OE# | Output enable | Active-low control for output buffer; prevents bus contention during shared-memory access |
| Vcc, Vss | Power/Ground | Single 5 V supply rail; decoupling required within 10 mm of Vcc pin per layout guidelines |
| NC | No connection | Pin 1 (NC) must remain unconnected; no internal bonding or function |
Key Features
| Feature | Design Value |
|---|---|
| No refresh required | Eliminates external refresh controller and associated timing overhead in microcontroller-based systems |
| OR-tie capable outputs | Enables wired-OR bus architectures for multi-master memory sharing without external logic gates |
| Dual chip select (CS1#, CS2) | Supports up to four R1LP0108ESA-5SR#S0 devices on one bus via CS2 decoding and CS1# partitioning |
| Low-voltage data retention | Maintains valid data at Vcc ≥ 2.0 V, enabling seamless transition to backup battery without data loss |
| TTL-compatible signaling | Direct interface to legacy 5 V MCUs and FPGAs without level translators or pull-up resistors |
Applications
| Industrial PLC Data Buffer | Portable Medical Monitor |
|---|---|
Use Scenario: Stores real-time sensor history and alarm logs in programmable logic controllers during mains failure. IC Role / Device Role / Timing Role: Non-volatile data buffer with automatic retention trigger via CS2 control at brown-out voltage thresholds. Use Value: Guarantees 128 KB of critical operational data survives >72 hours on coin-cell backup at 2.2 V. | Use Scenario: Holds ECG waveform snapshots and patient ID in handheld diagnostic devices between wireless uploads. IC Role / Device Role / Timing Role: Low-leakage SRAM acting as temporary storage during intermittent BLE transmission windows. Use Value: Reduces average system current by 92% versus standard SRAM during 95% idle duty cycle. |
| Automotive Telematics Logger | Smart Energy Meter |
Use Scenario: Captures CAN bus diagnostics and GPS timestamps during vehicle ignition cycles and sleep modes. IC Role / Device Role / Timing Role: Battery-backed memory node interfacing directly to 5 V automotive MCU buses. Use Value: Withstands -40°C to +85°C ambient and retains data across 12 V battery dips to 6.5 V. | Use Scenario: Stores tariff schedules, consumption counters, and tamper-event records in utility meters with 10-year battery life. IC Role / Device Role / Timing Role: Primary non-volatile scratchpad memory activated only during meter firmware updates or data reads. Use Value: Achieves <1 µA quiescent current in retention mode, extending CR2032 battery life beyond specification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IS61LV10248AL-10TLI | 10 ns faster access (45 ns), 3.3 V only supply, same 32-pin TSOP-II package | Requires 3.3 V system redesign; unsuitable for mixed 5 V/3.3 V boards | Select only when migrating to 3.3 V architecture and needing higher speed |
| CY62167EV30LL-45ZSXIT | Same 5 V supply and 45 ns access, but 512 K × 16 organization (1 Mb total) and different pinout | Needs PCB redesign due to incompatible address/data pin mapping and wider bus | Choose only if 16-bit data path and higher bandwidth are required |
Compared with IS61LV10248AL-10TLI and CY62167EV30LL-45ZSXIT, the R1LP0108ESA-5SR#S0 offers direct 5 V compatibility, identical 8-bit bus structure, and proven retention behavior below 2.5 V-making it optimal for cost-sensitive, battery-backed 5 V designs where pinout stability and ultra-low standby current are primary constraints.
Availability
R1LP0108ESA-5SR#S0 is available at Aetrix Electronics and suitable for industrial control panels, portable medical monitors, and smart energy meters requiring stable component supply across extended product lifecycles.
Supply support for R1LP0108ESA-5SR#S0 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and memory solutions for industrial, automotive, and infrastructure markets.
The R1LP0108E Series was designed specifically for low-power, battery-operated memory applications demanding zero-refresh operation, wide temperature tolerance, and robust data retention under brown-out conditions.
FAQ
What is the maximum operating temperature range for R1LP0108ESA-5SR#S0?
The R1LP0108ESA-5SR#S0 is rated for 0°C to +70°C ambient operation (R-version). This is confirmed in the Ordering Information table on page 2 of the R10DS0151EJ0100 datasheet, where "R" denotes the commercial temperature grade. The part uses the sTSOP package (PTSA0032KB-A) and is shipped in embossed tape (1000 pcs/reel).
Does R1LP0108ESA-5SR#S0 require an external clock or refresh signal?
No, the R1LP0108ESA-5SR#S0 is a fully static RAM and requires no clock or refresh signals. As stated in the Features section (page 1), it operates with "No clocks, No refresh." Its memory array retains data indefinitely as long as Vcc remains within specification and appropriate chip select conditions are met.
What is the minimum supply voltage at which R1LP0108ESA-5SR#S0 retains stored data?
The R1LP0108ESA-5SR#S0 guarantees data retention down to 2.0 V, as specified in the "Low Vcc Data Retention Characteristics" table (page 12). At Vcc = 3.0 V and +25°C, typical retention current is 0.6 µA. Retention is activated either by pulling CS2 ≤ 0.2 V or driving CS1# ≥ Vcc−0.2 V with CS2 held high.
Can R1LP0108ESA-5SR#S0 be used in a 3.3 V system?
No, the R1LP0108ESA-5SR#S0 is specified only for 4.5–5.5 V operation (DC Operating Conditions, page 6). Its input thresholds (VIH = 2.2 V min, VIL = 0.8 V max) and output drive levels (VOH = 2.4 V min at –1 mA) are designed for 5 V TTL compatibility. Using it at 3.3 V violates absolute maximum ratings and risks functional failure.
What package type does R1LP0108ESA-5SR#S0 use, and is it RoHS compliant?
The R1LP0108ESA-5SR#S0 uses an 8 mm × 13.4 mm 32-pin plastic sTSOP (normal-bend) package, designated PTSA0032KB-A. Per Renesas's environmental compliance statement (page 12), all products in the R1LP0108E Series meet EU RoHS Directive requirements, including lead-free terminations and halogen-free molding compounds.
R1LP0108ESA-5SR#S0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 32-TFSOP (0.465", 11.80mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM
- Memory Size:
- 1Mbit
- Memory Organization:
- 128K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 55ns
- Access Time:
- 55 ns
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-TSOP I
R1LP0108ESA-5SR#S0 FAQ
1.How can I place an order for R1LP0108ESA-5SR#S0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R1LP0108ESA-5SR#S0 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 R1LP0108ESA-5SR#S0 reliable?
The price and inventory of R1LP0108ESA-5SR#S0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R1LP0108ESA-5SR#S0 is usually 5 days.
3.What payment methods are accepted for R1LP0108ESA-5SR#S0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R1LP0108ESA-5SR#S0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R1LP0108ESA-5SR#S0?
R1LP0108ESA-5SR#S0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R1LP0108ESA-5SR#S0 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 R1LP0108ESA-5SR#S0?
For technical support, including R1LP0108ESA-5SR#S0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R1LP0108ESA-5SR#S0 requirements.
6.How does Aetrix verify that R1LP0108ESA-5SR#S0 is sourced from the original manufacturer or authorized distributors?
All R1LP0108ESA-5SR#S0 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 R1LP0108ESA-5SR#S0 meets industry standards.
7.What is the process for return or replacement of R1LP0108ESA-5SR#S0?
All R1LP0108ESA-5SR#S0 units undergo pre-shipment inspection (PSI). If there is an issue with R1LP0108ESA-5SR#S0, 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 R1LP0108ESA-5SR#S0 part is unused and in its original packaging.
Return procedure for R1LP0108ESA-5SR#S0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R1LP0108ESA-5SR#S0 Tags
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