My Inquiry
My Account
Renesas 71V416S15PHGI8
- Part No.:
- 71V416S15PHGI8
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 44-TSOP (0.400", 10.16mm Width)
- Datasheet:
-
71V416S15PHGI8.pdf
- Description:
- IC SRAM 4MBIT PARALLEL 44TSOP II
- Quantity:
- Payment:
- Shipping:
Inventory:1,500
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
71V416S15PHGI8 from Renesas Electronics is a 4 Mbit (256K × 16) high-speed CMOS static RAM with 15 ns access time, single 3.3 V supply operation, LVTTL-compatible I/O, and industrial temperature range (–40°C to +85°C). It features separate byte enable (BHE/BLE), output enable (OE), and chip select (CS) for flexible memory interfacing in embedded controllers and data acquisition systems.
For engineers reviewing the 71V416S15PHGI8 datasheet, 71V416S15PHGI8 pinout, 71V416S15PHGI8 application, or 71V416S15PHGI8 equivalent, key selection criteria include its TSOP Type II package, 44-pin JEDEC-compliant pinout with center power/ground, byte-selectable 16-bit data bus, and low-power standby current of 50 mA (industrial grade).
Technical Context
The 71V416S15PHGI8 implements fully static asynchronous circuitry-no clocks or refresh required-and uses high-reliability CMOS technology optimized for deterministic timing. Its dual-byte enable architecture allows independent access to high (I/O8–I/O15) and low (I/O0–I/O7) data bytes without external logic.
Timing is controlled via three independent enable paths: CS-controlled, OE-controlled, and BHE/BLE-controlled write cycles, each with distinct setup/hold and pulse-width requirements. All AC parameters-including tAA = 15 ns, tRC = 15 ns, and tOE = 7 ns-are guaranteed over the full industrial temperature range and at VDD = 3.0–3.6 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 4,194,304 bits (256K × 16 organization) |
| Access Time (tAA) | 15 ns - defines maximum address-to-data-valid delay in read cycles |
| Supply Voltage | 3.3 V ±10% (3.0–3.6 V) - single-rail LVTTL-compatible operation |
| Operating Temperature | –40°C to +85°C - qualified for industrial-grade embedded systems |
| Standby Current (ISB) | 50 mA max - enables low-power hold mode when CS inactive |
| Package | 44-pin TSOP Type II (PHG44), 400-mil body width - surface-mount compatible with JEDEC MO-141BA |
| I/O Interface | LVTTL-compatible bidirectional data bus (I/O0–I/O15) - direct interface to 3.3 V microcontrollers without level shifters |
Pinout & Package
71V416S15PHGI8 is housed in a 44-pin, 400-mil plastic TSOP Type II (PHG44) package with JEDEC-standard center power/ground pinout to minimize switching noise. Pin 1 is located at the top-left corner (notch-marked side), and pins are numbered counter-clockwise.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A17 | Address Inputs | 18-bit address bus supporting full 256K-word addressing |
| CS | Chip Select | Active-low enable for device selection; controls entry into standby mode when high |
| OE | Output Enable | Active-low control for output drivers; enables read data only when CS and OE both low |
| WE | Write Enable | Active-low signal initiating write cycles; latches data on rising edge when CS and byte enables active |
| BHE, BLE | Byte Enable | Independent high/low byte controls for 16-bit bus partitioning - eliminates need for external byte demux |
| I/O0–I/O7 | Low-Byte Data I/O | Bidirectional 8-bit data path for lower byte; tri-stated when BLE high or CS high |
| I/O8–I/O15 | High-Byte Data I/O | Bidirectional 8-bit data path for upper byte; tri-stated when BHE high or CS high |
| VDD | Power Supply | 3.3 V main supply (pins 13 & 32) - center-placed for reduced IR drop and noise coupling |
| VSS | Ground | Ground reference (pins 11 & 34) - symmetric placement with VDD supports balanced return paths |
Key Features
| Feature | Design Value |
|---|---|
| JEDEC Center Power/Ground Pinout | Reduces simultaneous switching noise by distributing VDD/VSS across center rows - critical for stable 15 ns timing in dense PCB layouts |
| Separate Byte Enables (BHE/BLE) | Enables true 8-bit or 16-bit data transfers without external gating logic - simplifies interface to 8-bit microcontrollers or partial-word peripherals |
| 5 ns Output Enable Propagation | tOE = 7 ns max ensures rapid data availability after OE assertion - supports tight timing budgets in real-time control loops |
| Three Independent Write Control Modes | CS-, OE-, or BHE/BLE-triggered writes allow flexible bus arbitration and burst-free memory updates without clock synchronization |
| Low-Power Standby (ISB1 = 10 mA) | Static current draw during full standby (CS high, no address changes) minimizes system-level power in sleep modes |
Applications
| Industrial PLC Memory Buffer | Medical Imaging Frame Store |
|---|---|
Use Scenario: Storing real-time I/O scan data and ladder logic state variables in programmable logic controllers operating in harsh factory environments. IC Role / Device Role / Timing Role: Asynchronous SRAM buffer interfacing directly to ARM Cortex-M7-based controller buses with no wait states required at 15 ns access. Use Value: Industrial temperature rating (–40°C to +85°C) and 15 ns cycle time ensure deterministic response in closed-loop motion control with sub-millisecond jitter. | Use Scenario: Temporary storage of uncompressed grayscale image frames (e.g., 1024×768 @ 16 bpp) during digital radiography acquisition before compression and transfer. IC Role / Device Role / Timing Role: High-bandwidth 16-bit parallel memory providing 66.7 MB/s peak read/write throughput to FPGA-based image pipeline engines. Use Value: Byte-enable capability allows selective update of pixel regions without disturbing adjacent frame data - reducing DMA overhead and latency. |
| Avionics Data Logger | Test & Measurement Digitizer Buffer |
Use Scenario: Capturing high-fidelity sensor telemetry (accelerometer, gyroscope, pressure) at 1 MS/s for post-flight analysis in certified airborne systems. IC Role / Device Role / Timing Role: Non-volatile-buffered SRAM stage holding raw samples prior to EEPROM write; operates reliably under wide thermal cycling and EMI stress. Use Value: Center VDD/VSS pinout suppresses ground bounce during high-speed sampling bursts - preserving analog front-end integrity and ADC accuracy. | Use Scenario: Real-time waveform capture in benchtop oscilloscopes where deep memory depth (≥4 Mpoints) must be accessed at >100 MHz effective bandwidth. IC Role / Device Role / Timing Role: Asynchronous memory bank supporting interleaved read/write operations between acquisition engine and display processor. Use Value: 15 ns tAA and tRC guarantee consistent sample-to-display latency across full memory depth - essential for glitch-free trigger rearm. |
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-45ZSXI | 4 Mbit (256K × 16), 45 ns access, 3.3 V, SOIC-44 package - slower speed, larger footprint, no byte enables | Suitable for cost-sensitive, non-real-time buffering where 15 ns timing is not required | Select if board layout accommodates SOIC and system timing budget allows ≥45 ns latency |
| AS6C4008-15TIN | 4 Mbit (256K × 16), 15 ns access, 3.3 V, TSOP-44 - identical speed and package but lacks BHE/BLE pins and uses single OE/CE | Applicable where byte-select granularity is unnecessary and simpler control logic is preferred | Choose when firmware does not require independent high/low byte writes and JEDEC pinout compatibility is secondary |
Compared with CY62167EV30LL-45ZSXI and AS6C4008-15TIN, the 71V416S15PHGI8 uniquely delivers industrial-grade 15 ns performance in a JEDEC-noise-optimized TSOP with dedicated byte enables - enabling tighter timing margins and finer-grained memory access in resource-constrained embedded designs.
Availability
71V416S15PHGI8 is available at Aetrix Electronics and suitable for industrial PLC memory buffers, medical imaging frame stores, avionics data loggers, and test & measurement digitizer buffers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 71V416S15PHGI8 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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications.
The 71V416S15PHGI8 belongs to Renesas' legacy high-speed parallel SRAM product line, designed specifically for deterministic, low-latency memory interfacing in real-time embedded systems where asynchronous operation and industrial reliability are mandatory.
FAQ
What is the operating voltage range for the 71V416S15PHGI8?
The 71V416S15PHGI8 operates from a single 3.3 V supply with a specified range of 3.0 V to 3.6 V. This 10% tolerance ensures robust functionality across varying board-level regulation conditions while maintaining full LVTTL compatibility with host processors and FPGAs. All DC and AC specifications-including access time and standby current-are guaranteed across this entire voltage window and the full industrial temperature range.
Does the 71V416S15PHGI8 require refresh circuitry or clocks?
No, the 71V416S15PHGI8 is a fully static RAM and requires no refresh cycles or clock signals. Its internal circuitry is purely asynchronous: data retention and access are governed solely by address, CS, OE, WE, and byte enable timing. This eliminates timing-critical clock distribution and simplifies integration into microcontroller, DSP, or FPGA-based systems where deterministic latency is essential.
How does the byte enable functionality work on the 71V416S15PHGI8?
The 71V416S15PHGI8 provides two independent byte enable inputs: BHE (high byte enable) for I/O8–I/O15 and BLE (low byte enable) for I/O0–I/O7. When either is low (with CS and WE also low), the corresponding 8-bit segment is written; during reads, both must be low to output full 16-bit words. This allows true 8-bit or 16-bit transfers without external logic, reducing gate count and routing complexity in mixed-bus architectures.
What package type is used for the 71V416S15PHGI8?
The 71V416S15PHGI8 uses a 44-pin, 400-mil plastic TSOP Type II package (PHG44), compliant with JEDEC standard MO-141BA. Its center VDD/VSS pinout minimizes simultaneous switching noise, and the 0.8 mm lead pitch supports reliable reflow soldering in high-volume manufacturing. The "I8" suffix denotes industrial temperature grade and tape-and-reel packaging for automated assembly.
Can the 71V416S15PHGI8 be used in place of older IDT 71V416 variants?
Yes, the 71V416S15PHGI8 is a Renesas-manufactured continuation of the original IDT 71V416 family and maintains full pin, package, and functional compatibility with earlier IDT-branded 71V416S15PHGI and 71V416S15PHGI8 units. Electrical specifications, timing diagrams, and truth tables remain identical - making it a direct replacement for legacy designs requiring long-term supply assurance and industrial qualification.
71V416S15PHGI8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 44-TSOP (0.400", 10.16mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 44-TSOP II
71V416S15PHGI8 FAQ
1.How can I place an order for 71V416S15PHGI8 through Aetrix?
Please submit a Request for Quotation (RFQ) for 71V416S15PHGI8 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 71V416S15PHGI8 reliable?
The price and inventory of 71V416S15PHGI8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 71V416S15PHGI8 is usually 5 days.
3.What payment methods are accepted for 71V416S15PHGI8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 71V416S15PHGI8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 71V416S15PHGI8?
71V416S15PHGI8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 71V416S15PHGI8 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 71V416S15PHGI8?
For technical support, including 71V416S15PHGI8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 71V416S15PHGI8 requirements.
6.How does Aetrix verify that 71V416S15PHGI8 is sourced from the original manufacturer or authorized distributors?
All 71V416S15PHGI8 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 71V416S15PHGI8 meets industry standards.
7.What is the process for return or replacement of 71V416S15PHGI8?
All 71V416S15PHGI8 units undergo pre-shipment inspection (PSI). If there is an issue with 71V416S15PHGI8, 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 71V416S15PHGI8 part is unused and in its original packaging.
Return procedure for 71V416S15PHGI8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
71V416S15PHGI8 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…
