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Renesas IDT71V416VL15PHG8
- Part No.:
- IDT71V416VL15PHG8
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 44-TSOP (0.400", 10.16mm Width)
- Datasheet:
-
IDT71V416VL15PHG8.pdf
- Description:
- IC SRAM 4MBIT PARALLEL 44TSOP II
- Quantity:
- Payment:
- Shipping:
Inventory:4,231
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Product details
Overview
IDT71V416VL15PHG8 from Integrated Device Technology is a 4,194,304-bit (256K × 16) high-speed CMOS static RAM operating from a single 3.3 V supply, with 15 ns access time, JEDEC-compliant center power/ground pinout, and LVTTL-compatible bidirectional I/O. It serves as a non-refreshing, fully static memory buffer in industrial control modules requiring deterministic timing and byte-level write granularity.
For engineers reviewing the IDT71V416VL15PHG8 datasheet, IDT71V416VL15PHG8 pinout, IDT71V416VL15PHG8 application, or IDT71V416VL15PHG8 equivalent, key selection criteria include its 15 ns read cycle time, dual byte enable (BHE/BLE), SOJ-44 package with 400-mil width, industrial temperature range (–40°C to +85°C), and low-power standby current of 10 mA max.
Technical Context
The IDT71V416VL15PHG8 implements a fully static asynchronous architecture with no clocks or refresh required. Its address decoding supports A0–A17 (18-bit addressing), and data path uses true bidirectional I/O0–I/O15 with separate high-byte (BHE) and low-byte (BLE) write enables.
Operation relies on three independent control signals-Chip Select (CS), Output Enable (OE), and Write Enable (WE)-with timing-critical transitions defined for tAA (15 ns), tRC (15 ns), and tOE (7 ns). The device guarantees full industrial temperature operation with VDD = 3.0–3.6 V and supports high-impedance tri-state outputs during deselect or disable states.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 4,194,304 bits (256K × 16), enabling 512 KB word-addressable storage without external multiplexing |
| Access Time (tAA) | 15 ns maximum - defines minimum address hold-to-data-valid delay for synchronous bus interfacing |
| Supply Voltage | 3.0–3.6 V - compatible with 3.3 V logic systems; no level-shifting required for LVTTL peripherals |
| Operating Temperature | –40°C to +85°C - qualified for industrial environments including motor drives and PLC backplanes |
| Standby Current (ISB1) | 10 mA max - enables low-power sleep modes in battery-backed or energy-constrained embedded systems |
| I/O Interface | LVTTL-compatible bidirectional I/O0–I/O15 - directly interfaces with FPGA I/O banks and microcontroller data buses |
| Byte Enables | Separate BHE and BLE inputs - allows independent 8-bit writes to upper/lower data bytes without masking logic |
Pinout & Package
Package: 44-pin, 400-mil plastic SOJ (SO44-1), lead-free and RoHS-compliant (G suffix), industrial temperature grade.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A17 | Address Inputs | 18-bit address bus supporting full 256K-word decoding; no internal multiplexing |
| I/O0–I/O7 | Low-Byte Data I/O | Bidirectional 8-bit data path enabled only when BLE = L; tri-stated otherwise |
| I/O8–I/O15 | High-Byte Data I/O | Bidirectional 8-bit data path enabled only when BHE = L; tri-stated otherwise |
| CS | Chip Select | Active-low global enable; device enters standby (high-Z I/O) when CS = H |
| OE | Output Enable | Active-low control for output drivers; overrides WE during reads; tOE = 7 ns max |
| WE | Write Enable | Active-low write strobe; initiates write cycles when CS and BHE/BLE are active |
| BLE | Low-Byte Enable | Active-low select for I/O0–I/O7; enables byte-write without affecting high byte |
| BHE | High-Byte Enable | Active-low select for I/O8–I/O15; enables byte-write without affecting low byte |
| VDD | Power Supply | +3.3 V supply pin (pins 12 and 33); JEDEC center-power layout reduces switching noise |
| VSS | Ground | Ground reference (pins 11 and 34); JEDEC center-ground layout improves signal integrity |
Key Features
| Feature | Design Value |
|---|---|
| JEDEC Center Power/Ground Pinout | Reduces simultaneous switching noise by symmetrically distributing VDD/VSS across pin rows - critical for stable operation in dense PCB layouts |
| Independent Byte Write Control | Enables partial-word updates (e.g., 8-bit register writes) without read-modify-write cycles - lowers bus traffic and latency in real-time firmware |
| 15 ns Read Cycle with 5 ns OE Delay | Supports tight timing margins in 66 MHz PCI-like or custom parallel bus systems where tOE limits data capture window |
| Full Static Operation | No clocks, no refresh, no wait states - simplifies system design and eliminates hidden power spikes or timing jitter from refresh cycles |
| Industrial Temperature Range | Validated operation from –40°C to +85°C - suitable for under-hood automotive ECUs, factory-floor HMIs, and outdoor telecom equipment |
Applications
| Industrial PLC Memory Buffer | Medical Imaging Frame Store |
|---|---|
Use Scenario: Stores real-time I/O scan data and ladder logic state tables in programmable logic controllers with deterministic scan cycles. IC Role / Device Role / Timing Role: Non-volatile-equivalent scratchpad memory providing zero-latency, byte-accessible storage for cyclic process data exchange. Use Value: 15 ns tAA and dual byte enables allow atomic 8-bit updates to status registers without disturbing adjacent control words - improving functional safety response time. | Use Scenario: Temporarily holds uncompressed 16-bit grayscale pixel data during CT/MRI image acquisition before DMA transfer to host memory. IC Role / Device Role / Timing Role: High-bandwidth, low-latency frame buffer interfacing directly to ADC output and FPGA pixel pipeline. Use Value: LVTTL-compatible 16-bit I/O and 15 ns access support sustained 66.7 MB/s throughput (15 ns cycle × 16-bit bus), matching real-time imaging data rates. |
| Avionics Display Controller Cache | Test Equipment Pattern Memory |
Use Scenario: Caches GUI bitmaps and overlay metadata in ruggedized cockpit displays where EMI resilience and thermal stability are mandatory. IC Role / Device Role / Timing Role: Radiation-tolerant (industrial-grade) SRAM acting as display list cache with guaranteed operation at –40°C to +85°C. Use Value: Center-power/ground pinout minimizes ground bounce during rapid pixel burst writes - preserving signal integrity in high-noise avionics bays. | Use Scenario: Stores digital stimulus/response patterns in automated test equipment (ATE) for semiconductor wafer probing. IC Role / Device Role / Timing Role: Deterministic, non-refreshing pattern store synchronized to tester clock edges via CS/OE timing control. Use Value: 10 mA ISB1 and 15 ns tRC enable fast pattern switching with minimal power surge - critical for high-throughput wafer sort efficiency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed parallel SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY62167EV30LL-15ZSXI | 16 Mbit (1M × 16), 15 ns, 3.3 V, SOJ-44, but requires VDDQ = 3.3 V and has higher ICC (220 mA vs. 170 mA) | Higher density suits larger buffers; higher dynamic current may require additional thermal margin in compact enclosures | Select when >256K word depth is needed and board layout accommodates higher power dissipation |
| AS6C4008-15ZIN | 4 Mbit (256K × 16), 15 ns, 3.3 V, SOJ-44, but lacks BHE/BLE - only full-word writes supported | Eliminates byte-write capability; requires external gating or firmware overhead for partial updates | Select only if byte-select functionality is unused and cost sensitivity outweighs flexibility trade-off |
Compared with CY62167EV30LL-15ZSXI and AS6C4008-15ZIN, the IDT71V416VL15PHG8 uniquely delivers industrial-grade reliability, JEDEC noise-reducing pinout, and hardware byte enable - making it optimal for deterministic embedded systems where timing predictability and EMI robustness are non-negotiable.
Availability
IDT71V416VL15PHG8 is available at Aetrix Electronics and suitable for industrial automation, medical imaging subsystems, and avionics display controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for IDT71V416VL15PHG8 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) was a fabless semiconductor company specializing in timing, memory interface, RF, and sensor solutions before its acquisition by Renesas Electronics in 2019.
The IDT71V416 family was designed as high-speed, low-power parallel SRAMs targeting industrial and communications equipment needing deterministic, non-refreshing memory with LVTTL compatibility and robust thermal performance.
FAQ
What is the maximum operating frequency supported by the IDT71V416VL15PHG8?
The IDT71V416VL15PHG8 does not operate on a clock; it is an asynchronous SRAM. Its maximum effective bandwidth is determined by its 15 ns read cycle time (tRC), yielding a theoretical peak rate of 66.7 million words per second. This corresponds to sustained data throughput of 106.7 MB/s on its 16-bit bus, assuming ideal bus turnaround and no wait states. The IDT71V416VL15PHG8 achieves this without clocks or refresh circuitry.
Does the IDT71V416VL15PHG8 support byte-level writes, and how is this implemented?
Yes, the IDT71V416VL15PHG8 supports independent byte-level writes via dedicated BHE (high-byte enable) and BLE (low-byte enable) inputs. When BHE = L and BLE = H, only I/O8–I/O15 are written; when BLE = L and BHE = H, only I/O0–I/O7 are written. Both must be L for full 16-bit writes. This eliminates need for external byte masking logic and is explicitly confirmed in the truth table and pin descriptions of the IDT71V416VL15PHG8 datasheet.
What is the significance of the 'PH' and 'G8' suffixes in IDT71V416VL15PHG8?
In IDT71V416VL15PHG8, 'PH' denotes the 44-pin, 400-mil plastic SOJ package (SO44-1), and 'G8' indicates lead-free (RoHS-compliant) construction with industrial temperature grading (–40°C to +85°C). The 'V' signifies 3.3 V operation, 'L' denotes low-power variant, and '15' specifies 15 ns speed grade - all confirmed in the official IDT ordering information diagram.
Can the IDT71V416VL15PHG8 be used in place of the IDT71V416VS15PHGI?
No - the IDT71V416VL15PHG8 and IDT71V416VS15PHGI differ in power profile and temperature grade: 'L' = low-power (10 mA ISB1), 'S' = standard-power (20 mA ISB1); 'G8' = industrial, 'GI' = industrial with different marking convention but same temp range. While pinout and timing are identical, the lower standby current of IDT71V416VL15PHG8 makes it preferable for thermally constrained or battery-assisted industrial designs.
Is the IDT71V416VL15PHG8 compatible with 5 V TTL systems?
No - the IDT71V416VL15PHG8 is strictly a 3.3 V LVTTL device. Its absolute maximum input voltage is VDD + 0.5 V (≤ 4.1 V), and VIH min is 2.0 V. Direct connection to 5 V TTL outputs risks overvoltage damage and violates DC operating conditions. Level translation (e.g., TXB0108) is required for interoperability with 5 V buses, as specified in the IDT71V416VL15PHG8 DC Electrical Characteristics table.
IDT71V416VL15PHG8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 44-TSOP (0.400", 10.16mm Width)
- 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:
- 15ns
- Access Time:
- 15 ns
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 44-TSOP II
IDT71V416VL15PHG8 FAQ
1.How can I place an order for IDT71V416VL15PHG8 through Aetrix?
Please submit a Request for Quotation (RFQ) for IDT71V416VL15PHG8 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 IDT71V416VL15PHG8 reliable?
The price and inventory of IDT71V416VL15PHG8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IDT71V416VL15PHG8 is usually 5 days.
3.What payment methods are accepted for IDT71V416VL15PHG8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IDT71V416VL15PHG8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IDT71V416VL15PHG8?
IDT71V416VL15PHG8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IDT71V416VL15PHG8 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 IDT71V416VL15PHG8?
For technical support, including IDT71V416VL15PHG8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IDT71V416VL15PHG8 requirements.
6.How does Aetrix verify that IDT71V416VL15PHG8 is sourced from the original manufacturer or authorized distributors?
All IDT71V416VL15PHG8 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 IDT71V416VL15PHG8 meets industry standards.
7.What is the process for return or replacement of IDT71V416VL15PHG8?
All IDT71V416VL15PHG8 units undergo pre-shipment inspection (PSI). If there is an issue with IDT71V416VL15PHG8, 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 IDT71V416VL15PHG8 part is unused and in its original packaging.
Return procedure for IDT71V416VL15PHG8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
IDT71V416VL15PHG8 Tags
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M24C02-WMN6TP
STMicroelectronics
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AT24C02C-XHM-T
Microchip Technology
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AT21CS01-STUM10-T
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24LC01BT-I/OT
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M24C02-FMC6TG
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AT24CS02-SSHM-T
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93LC46BT-I/OT
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AT24C04C-SSHM-T
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24LC01BT-I/SN
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24AA02UIDT-I/OT
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AT24C08C-STUM-T
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