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Renesas R1LP0108ESA-5SI#S0
- Part No.:
- R1LP0108ESA-5SI#S0
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 32-TFSOP (0.465", 11.80mm Width)
- Datasheet:
-
R1LP0108ESA-5SI#S0.pdf
- Description:
- IC SRAM 1MBIT PARALLEL 32TSOP I
- Quantity:
- Payment:
- Shipping:
Inventory:16,800
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Product details
Overview
R1LP0108ESA-5SI#S0 from Renesas Electronics is a 1Mb (131,072 × 8-bit) low-power static RAM with 55 ns access time, -40°C to +85°C industrial temperature range, and 4.5–5.5 V single-supply operation. It features TTL-compatible I/O, no refresh requirement, and dual chip select (CS1#, CS2) for easy memory expansion in embedded controllers and battery-backed systems.
For engineers reviewing the R1LP0108ESA-5SI#S0 datasheet, R1LP0108ESA-5SI#S0 pinout, R1LP0108ESA-5SI#S0 application, or R1LP0108ESA-5SI#S0 equivalent, key selection criteria include standby current (0.6 µA typical at 5.0 V), data retention down to 2.0 V, three-state outputs with OR-tie capability, and sTSOP-32 package compatibility with space-constrained industrial designs.
Technical Context
This device implements a fully static CMOS memory architecture with no clocks or refresh cycles required. Its dual chip select logic (CS1# active-low, CS2 active-high) enables hierarchical memory mapping and seamless bank switching in multi-SRAM systems.
The 32-pin sTSOP package supports high-density PCB layouts while maintaining TTL-level input thresholds (VIH ≥ 2.2 V, VIL ≤ 0.8 V) and guaranteed output drive (VOH ≥ 2.4 V at –1 mA, VOL ≤ 0.4 V at 2 mA) across the full industrial temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory size | 131,072 × 8-bit (1 Mb); provides byte-wide data path without external multiplexing |
| Access time | 55 ns max; ensures compatibility with 12–15 MHz bus timing in microcontroller interfaces |
| Supply voltage | 4.5–5.5 V; operates reliably across unregulated 5 V rails and aging battery supplies |
| Standby current | 0.6 µA typical at 25°C; enables >1-year battery backup in SRAM-retention mode |
| Data retention VCC | 2.0 V min; maintains stored data during brown-out or power-fail conditions |
| Operating temperature | –40°C to +85°C; qualified for industrial control, instrumentation, and automotive under-hood auxiliary modules |
| I/O interface | TTL-compatible inputs/outputs; eliminates level-shifter requirements in legacy 5 V logic systems |
Pinout & Package
Package: 8 mm × 13.4 mm 32-pin plastic sTSOP (normal-bend type), PTSA0032KB-A (32P3K-B), tray or embossed tape delivery.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A16 | Address inputs | 17-bit address bus supporting full 131k-word decoding; A16 is MSB |
| DQ0–DQ7 | Bi-directional data I/O | Common data bus with three-state control; enables OR-tie for shared-memory bus architectures |
| CS1# | Chip select 1 (active-low) | Primary enable; device selected only when CS1# = L and CS2 = H |
| CS2 | Chip select 2 (active-high) | Secondary enable; used with CS1# for hierarchical memory banking |
| WE# | Write enable (active-low) | Controls write cycle initiation; low pulse latches data into memory array |
| OE# | Output enable (active-low) | Gates output drivers; prevents bus contention during read cycles or idle states |
| Vcc | Power supply | +4.5 to +5.5 V; decoupling capacitor required within 1 cm of pin |
| Vss | Ground | Signal reference plane; must be low-impedance connection to system GND |
| NC | No connect | Pin 1 (sTSOP top-view); must remain unconnected per design |
Key Features
| Feature | Design Value |
|---|---|
| No refresh required | Eliminates external refresh controller or timer overhead in microcontroller-based systems |
| Low standby current (0.6 µA) | Extends battery life in always-on backup memory applications such as real-time clock registers or configuration storage |
| Dual chip select (CS1#, CS2) | Enables direct expansion to 2+ SRAM devices without address decoder logic |
| Three-state outputs with OR-tie capability | Supports wired-OR bus structures for interrupt aggregation or status monitoring without external logic |
| Data retention down to 2.0 V | Preserves critical data during power interruption, enabling graceful shutdown and fast recovery |
Applications
| Industrial PLC Data Buffer | Medical Device Configuration Storage |
|---|---|
Use Scenario: Real-time logging of sensor readings and control outputs in programmable logic controllers with intermittent power loss. IC Role / Device Role / Timing Role: Non-volatile data buffer holding last-known state and alarm history during AC mains dropout. Use Value: 0.6 µA standby current and 2.0 V data retention allow >30-day backup on coin cell; 55 ns access supports 12 MHz scan cycle timing. |
Use Scenario: Storing calibration coefficients, patient ID, and usage logs in portable diagnostic equipment with battery-only operation. IC Role / Device Role / Timing Role: Battery-backed SRAM retaining critical settings across power cycles and firmware updates. Use Value: TTL compatibility avoids level shifters in 5 V MCU subsystems; sTSOP-32 footprint fits compact handheld enclosures. |
| Automotive Body Control Module | Test & Measurement Instrument Memory |
Use Scenario: Storing door lock status, mirror position, and lighting presets in vehicle body control units exposed to under-hood thermal stress. IC Role / Device Role / Timing Role: Industrial-grade SRAM operating reliably at –40°C to +85°C ambient without derating. Use Value: Qualified for automotive auxiliary functions per Renesas "Standard" quality grade; 55 ns read cycle meets CAN-based command-response latency. |
Use Scenario: Capturing waveform snapshots and setup parameters in benchtop oscilloscopes and signal analyzers requiring deterministic memory access. IC Role / Device Role / Timing Role: High-speed static RAM interfaced directly to FPGA or ASIC data capture engines. Use Value: No refresh simplifies timing-critical acquisition logic; 32-pin sTSOP allows dense memory arrays on high-speed PCB layers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-power static RAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IS61LV1024-55QLI | 55 ns access, 3.3 V supply (not 5 V compatible); 32-pin TSOP-II package | Requires level translation in 5 V systems; unsuitable for mixed-voltage legacy designs | Select only if migrating to 3.3 V core logic and redesigning power distribution. |
| AS6C1008-55PCN | 55 ns access, 5 V supply, but 0.5 mA typical standby current (830× higher than R1LP0108ESA-5SI#S0) | Inadequate for >1-week battery backup; requires larger backup capacitors or frequent recharge | Acceptable for mains-powered instruments where ultra-low standby is non-critical. |
Compared with IS61LV1024-55QLI and AS6C1008-55PCN, the R1LP0108ESA-5SI#S0 uniquely delivers 5 V TTL compatibility, sub-µA standby, and industrial temperature support in a single sTSOP-32 package-making it optimal for battery-backed, legacy 5 V embedded systems where power and pinout constraints are decisive.
Availability
R1LP0108ESA-5SI#S0 is available at Aetrix Electronics and suitable for industrial PLC data buffering, medical device configuration storage, automotive body control modules, test & measurement instrument memory, and battery-backed real-time clock systems requiring stable component supply over extended production lifecycles.
Supply support for R1LP0108ESA-5SI#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and memory solutions for industrial, automotive, and enterprise applications.
The R1LP0108E Series was designed specifically for low-power, battery-operated memory applications requiring simple 5 V interfacing, zero-refresh operation, and robust data retention-targeting industrial control, medical instrumentation, and automotive auxiliary modules.
FAQ
What is the maximum access time specification for R1LP0108ESA-5SI#S0?
The R1LP0108ESA-5SI#S0 has a guaranteed maximum access time of 55 ns across its full industrial temperature range (–40°C to +85°C) and supply voltage range (4.5 V to 5.5 V). This parameter is measured as address access time (tAA) and chip select access time (tACS1/tACS2), ensuring deterministic timing for 12–15 MHz bus interfaces. The R1LP0108ESA-5SI#S0 datasheet specifies this value under standard test conditions with 30 ns input rise/fall times and 1.5 V timing reference level.
Does R1LP0108ESA-5SI#S0 require a refresh circuit?
No, the R1LP0108ESA-5SI#S0 is a fully static RAM and does not require any refresh circuitry or periodic access to retain data. Its CMOS latch-based memory cells maintain state indefinitely as long as power is applied and control signals meet valid timing windows. This eliminates refresh overhead in microcontroller firmware and simplifies system design-confirmed in the R1LP0108ESA-5SI#S0 datasheet Feature list and Block Diagram sections.
What is the minimum supply voltage for data retention in R1LP0108ESA-5SI#S0?
The R1LP0108ESA-5SI#S0 guarantees data retention down to 2.0 V on VCC, provided either CS2 is held ≤ 0.2 V or CS1# is held ≥ VCC – 0.2 V (per Low VCC Data Retention Characteristics table, page 12). At 3.0 V VCC, typical data retention current is 0.6 µA at 25°C-enabling multi-month backup on small capacitors or coin cells. This behavior is explicitly characterized and tested for the R1LP0108ESA-5SI#S0 part number.
Which package type does R1LP0108ESA-5SI#S0 use?
The R1LP0108ESA-5SI#S0 uses an 8 mm × 13.4 mm 32-pin plastic sTSOP (shrink thin small outline package) with normal-bend leads, designated PTSA0032KB-A (32P3K-B). This package is distinct from standard SOP and TSOP variants in the R1LP0108E family and is supplied in embossed tape-and-reel format (1000 pcs/reel), as confirmed in the Ordering Information table on page 2 of the R10DS0151EJ0100 datasheet.
How does the dual chip select (CS1# and CS2) function in R1LP0108ESA-5SI#S0?
In the R1LP0108ESA-5SI#S0, the device is enabled only when CS1# is low AND CS2 is high-both signals must be asserted simultaneously for read/write operations. CS2 acts as a master enable that gates internal buffers; when CS2 is low, the device enters deep standby regardless of CS1# state. This two-level select scheme allows hierarchical memory mapping and reduces address decoding complexity in multi-SRAM systems, as detailed in the Operation Table (page 5) and Pin Description (page 4) of the R1LP0108ESA-5SI#S0 datasheet.
R1LP0108ESA-5SI#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:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-TSOP I
R1LP0108ESA-5SI#S0 FAQ
1.How can I place an order for R1LP0108ESA-5SI#S0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R1LP0108ESA-5SI#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-5SI#S0 reliable?
The price and inventory of R1LP0108ESA-5SI#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-5SI#S0 is usually 5 days.
3.What payment methods are accepted for R1LP0108ESA-5SI#S0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R1LP0108ESA-5SI#S0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R1LP0108ESA-5SI#S0?
R1LP0108ESA-5SI#S0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R1LP0108ESA-5SI#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-5SI#S0?
For technical support, including R1LP0108ESA-5SI#S0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R1LP0108ESA-5SI#S0 requirements.
6.How does Aetrix verify that R1LP0108ESA-5SI#S0 is sourced from the original manufacturer or authorized distributors?
All R1LP0108ESA-5SI#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-5SI#S0 meets industry standards.
7.What is the process for return or replacement of R1LP0108ESA-5SI#S0?
All R1LP0108ESA-5SI#S0 units undergo pre-shipment inspection (PSI). If there is an issue with R1LP0108ESA-5SI#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-5SI#S0 part is unused and in its original packaging.
Return procedure for R1LP0108ESA-5SI#S0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R1LP0108ESA-5SI#S0 Tags
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