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Renesas 71V016SA20PHGI
- Part No.:
- 71V016SA20PHGI
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 44-TSOP (0.400", 10.16mm Width)
- Datasheet:
-
71V016SA20PHGI.pdf
- Description:
- IC SRAM 1MBIT PARALLEL 44TSOP II
- Quantity:
- Payment:
- Shipping:
Inventory:3,407
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Product details
Overview
71V016SA20PHGI from Renesas Electronics is a 64K × 16-bit, 1 Mbit high-speed CMOS static RAM operating at 3.3 V with 20 ns read/write cycle time, industrial temperature range (–40°C to +85°C), and LVTTL-compatible bidirectional I/Os. It features separate byte enable (BHE/BLE), output enable (OE), and chip select (CS) for flexible memory access in embedded controllers and data acquisition systems.
For engineers reviewing the 71V016SA20PHGI datasheet, 71V016SA20PHGI pinout, 71V016SA20PHGI application, or 71V016SA20PHGI equivalent, this page delivers verified timing parameters, package-specific pin mapping, byte-select functionality, industrial-grade reliability, and direct alternatives for memory subsystem redesign or BOM continuity planning.
Technical Context
The 71V016SA20PHGI implements fully static asynchronous circuitry-no clocks or refresh required-and uses high-reliability CMOS fabrication optimized for low-power, high-speed operation. Its dual-byte enable architecture supports independent 8-bit reads/writes on upper (I/O8–I/O15) and lower (I/O0–I/O7) data lanes.
Timing is controlled via three independent control paths: CS-driven, OE-driven, and byte-enable-driven write cycles, each with defined setup/hold and transition-to-valid delays. All inputs and outputs meet LVTTL voltage thresholds (VIH ≥ 2.0 V, VIL ≤ 0.8 V) under 3.3 V ±0.3 V supply conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Organization | 64K × 16-bit (1,048,576 bits), word-oriented addressing |
| Access/Cycle Time | 20 ns max - guarantees deterministic latency for real-time bus arbitration |
| Supply Voltage | 3.3 V ±0.15 V - compatible with LVTTL logic families without level translation |
| Operating Temperature | –40°C to +85°C - qualified for industrial control and automotive under-hood environments |
| I/O Interface | LVTTL-compatible bidirectional data bus - enables direct connection to FPGA or microcontroller data buses |
| Power Consumption | 120 mA dynamic ICC max, 30 mA ISB standby - supports low-power sleep modes in portable instrumentation |
| Control Signals | Dedicated CS, OE, WE, BHE, BLE - allows granular memory partitioning and burst-free sequential access |
Pinout & Package
71V016SA20PHGI is packaged in a 44-pin TSOP Type II (PHG44) with JEDEC-standard footprint and 0.8 mm lead pitch. The package supports surface-mount reflow assembly and provides mechanical compatibility with legacy IDT/Renesas SRAM footprints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A15 | Address Inputs | 16-bit address bus supporting full 64K-word decoding |
| I/O0–I/O7 | Lower Byte Data I/O | Bidirectional 8-bit lane enabled by BLE; isolated during BHE-only operations |
| I/O8–I/O15 | Upper Byte Data I/O | Bidirectional 8-bit lane enabled by BHE; isolated during BLE-only operations |
| CS | Chip Select | Active-low global enable; gates all internal timing paths when high |
| OE | Output Enable | Active-low control for output drivers only; does not affect write path |
| WE | Write Enable | Active-low signal initiating write cycle; synchronizes data latch with address stability |
| BHE | High-Byte Enable | Active-low control enabling I/O8–I/O15; used for 8-bit upper-half writes |
| BLE | Low-Byte Enable | Active-low control enabling I/O0–I/O7; used for 8-bit lower-half writes |
| VDD | Power Supply | 3.3 V primary supply; two dedicated pins (pins 12 and 26) reduce IR drop |
| VSS | Ground | Ground reference; two dedicated pins (pins 11 and 25) improve noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Asynchronous Static Operation | No clock or refresh circuitry required - simplifies system timing design and eliminates refresh overhead |
| Independent Byte Enables | BHE/BLE allow simultaneous or staggered 8-bit writes without disturbing adjacent bytes |
| Fast Output Enable | 5 ns tOE max ensures rapid data availability after read initiation - critical for pipelined bus protocols |
| Industrial Temperature Support | Full 20 ns timing guaranteed across –40°C to +85°C - eliminates derating in harsh environments |
| LVTTL Compatibility | Direct interface with 3.3 V microcontrollers, FPGAs, and ASICs without external level shifters |
Applications
| Industrial PLC Memory Buffer | Medical Imaging Frame Store |
|---|---|
Use Scenario: Real-time I/O scanning and program execution in programmable logic controllers requiring deterministic memory access. IC Role / Device Role / Timing Role: Primary data buffer for ladder logic execution and sensor register caching with 20 ns cycle time. Use Value: Eliminates wait states in Modbus RTU or EtherCAT slave firmware due to guaranteed 20 ns access and no refresh overhead. | Use Scenario: Temporary storage of digitized X-ray or ultrasound frames before compression and transmission. IC Role / Device Role / Timing Role: High-bandwidth frame buffer interfacing with ADC/DAC controllers and DMA engines. Use Value: Bidirectional LVTTL I/O and byte-enable capability enable efficient partial-frame updates without full-word transfers. |
| Avionics Data Logger | Test & Measurement Equipment |
Use Scenario: Capturing high-speed analog transducer data during flight tests with extended thermal cycling exposure. IC Role / Device Role / Timing Role: Non-volatile-critical scratchpad memory for pre-triggered waveform capture buffers. Use Value: Industrial temperature rating and 30 mA standby current support continuous logging in unheated avionics bays. | Use Scenario: Storing calibration coefficients, waveform segments, and trigger history in benchtop oscilloscopes and spectrum analyzers. IC Role / Device Role / Timing Role: Dual-port-accessible memory bank for concurrent acquisition and display processing. Use Value: Separate BHE/BLE control allows simultaneous coefficient read (upper byte) and sample write (lower byte) within one cycle. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed static RAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY62167EV30LL-20ZSXI | 512K × 16-bit (8 Mbit), 20 ns access, same 44-pin TSOP, 3.3 V supply | Higher density; requires address remapping; identical industrial temp and LVTTL I/O | Choose when >1 Mbit capacity is needed without changing PCB layout |
| IS61LV25616AL-20TQLI | 256K × 16-bit (4 Mbit), 20 ns access, 44-pin TSOP, 3.3 V, industrial temp | 4× capacity; slightly higher ICC (130 mA vs. 120 mA); same byte-enable structure | Prefer for next-generation designs needing headroom while retaining pinout and timing compatibility |
Compared with 71V016SA20PHGI, CY62167EV30LL-20ZSXI offers 8× more storage in identical packaging but demands firmware address-space expansion, whereas IS61LV25616AL-20TQLI provides balanced 4× capacity growth with minimal power and timing impact-both retain industrial qualification and LVTTL interoperability.
Availability
71V016SA20PHGI is available at Aetrix Electronics and suitable for industrial PLCs, medical imaging subsystems, avionics data loggers, and test equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 71V016SA20PHGI 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 microcontrollers, analog, power, and memory solutions for automotive, industrial, and infrastructure markets.
The 71V016SA series was designed as a drop-in replacement for legacy IDT SRAMs, targeting high-reliability, low-latency memory in space-constrained industrial and communications equipment.
FAQ
What is the maximum operating frequency supported by the 71V016SA20PHGI?
The 71V016SA20PHGI does not operate on a clock; it is an asynchronous SRAM. Its 20 ns cycle time corresponds to a maximum effective throughput of 50 MHz for consecutive random accesses. Timing is governed by tRC (read/write cycle time), tAA (address access), and tWP (write pulse width), all guaranteed at 20 ns maximum over the full industrial temperature range.
Does the 71V016SA20PHGI require external refresh circuitry?
No, the 71V016SA20PHGI is a fully static RAM and requires no refresh cycles or external refresh circuitry. Its internal latches retain data indefinitely as long as VDD remains within specification and CS is held inactive during standby - a key advantage over DRAM in deterministic real-time systems.
Can the 71V016SA20PHGI be used with a 5 V microcontroller interface?
No - the 71V016SA20PHGI is strictly a 3.3 V LVTTL device. Its VIH minimum is 2.0 V and VIL maximum is 0.8 V, and absolute maximum input voltage is VDD + 0.5 V (≤4.1 V). Direct connection to 5 V logic will exceed input ratings and risk damage. A level-shifting buffer is required for 5 V host interfaces.
What is the function of the BHE and BLE pins on the 71V016SA20PHGI?
BHE (high-byte enable) and BLE (low-byte enable) are active-low signals that independently gate the upper (I/O8–I/O15) and lower (I/O0–I/O7) data bytes during read and write operations. When only one is asserted, the corresponding 8-bit lane transfers data while the other remains in high-impedance - enabling efficient byte-level memory updates without full 16-bit bus contention.
Is the 71V016SA20PHGI RoHS compliant and halogen-free?
Yes - the 71V016SA20PHGI is a green part per Renesas' ordering nomenclature ('G' suffix in full part number variants). It meets RoHS Directive 2011/65/EU and is halogen-free, with no brominated flame retardants (BFRs) or antimony trioxide. Compliance documentation is available upon request from Aetrix Electronics.
71V016SA20PHGI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 44-TSOP (0.400", 10.16mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Asynchronous
- Memory Size:
- 1Mbit
- Memory Organization:
- 64K x 16
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 20ns
- Access Time:
- 20 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
71V016SA20PHGI FAQ
1.How can I place an order for 71V016SA20PHGI through Aetrix?
Please submit a Request for Quotation (RFQ) for 71V016SA20PHGI 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 71V016SA20PHGI reliable?
The price and inventory of 71V016SA20PHGI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 71V016SA20PHGI is usually 5 days.
3.What payment methods are accepted for 71V016SA20PHGI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 71V016SA20PHGI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 71V016SA20PHGI?
71V016SA20PHGI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 71V016SA20PHGI 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 71V016SA20PHGI?
For technical support, including 71V016SA20PHGI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 71V016SA20PHGI requirements.
6.How does Aetrix verify that 71V016SA20PHGI is sourced from the original manufacturer or authorized distributors?
All 71V016SA20PHGI 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 71V016SA20PHGI meets industry standards.
7.What is the process for return or replacement of 71V016SA20PHGI?
All 71V016SA20PHGI units undergo pre-shipment inspection (PSI). If there is an issue with 71V016SA20PHGI, 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 71V016SA20PHGI part is unused and in its original packaging.
Return procedure for 71V016SA20PHGI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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