My Inquiry
My Account
Renesas 71V124SA12TYG
- Part No.:
- 71V124SA12TYG
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 32-BSOJ (0.300", 7.62mm Width)
- Datasheet:
-
71V124SA12TYG.pdf
- Description:
- IC SRAM 1MBIT PARALLEL 32SOJ
- Quantity:
- Payment:
- Shipping:
Inventory:478
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
71V124SA12TYG from Renesas is a 128K × 8 (1 Mbit) high-speed CMOS static RAM with LVTTL-compatible I/O, single 3.3 V supply operation, 12 ns read/write cycle time, JEDEC center-power/ground pinout, and commercial temperature range (0°C to +70°C). It serves as main or cache memory in embedded controllers, network interface cards, and real-time data buffering systems.
For engineers reviewing the 71V124SA12TYG datasheet, 71V124SA12TYG pinout, 71V124SA12TYG application, or 71V124SA12TYG equivalent, key selection criteria include access time consistency (tAA = tRC = 12 ns), low-noise center-GND/VDD layout, OE-controlled output enable (tOE ≤ 6 ns), and SOJ-32 package compatibility with legacy board designs.
Technical Context
The 71V124SA12TYG implements fully static asynchronous logic-no clocks or refresh required-and uses high-reliability CMOS fabrication optimized for stable 3.3 V operation. Its address decoder drives a 1,048,576-bit memory array with bidirectional I/O0–I/O7 lines.
Control logic supports three distinct operational modes: read (CS=L, OE=L, WE=H), write (CS=L, WE=L), and standby (CS=H), with output disable timing (tOHZ ≤ 5 ns) and chip deselect current (ISB ≤ 35 mA) tightly specified across voltage and temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Organization | 128K × 8-bit (1,048,576 bits); supports byte-wide data bus interfacing without external demultiplexing |
| Access & Cycle Time | 12 ns (tAA, tRC, tWC); ensures deterministic timing for synchronous bus protocols at ≤83 MHz effective rate |
| Supply Voltage | 3.15–3.6 V; compatible with standard 3.3 V LVTTL power domains and tolerant of ±5% rail variation |
| I/O Compatibility | LVTTL input thresholds (VIH ≥ 2.0 V, VIL ≤ 0.8 V); interoperable with 3.3 V microcontrollers and FPGAs |
| Standby Current | ISB ≤ 35 mA (dynamic), ISB1 = 10 µA (static); enables low-power hold mode during processor sleep states |
| Operating Temperature | 0°C to +70°C; validated for commercial-grade industrial control panels and telecom line cards |
| Package | 32-pin 300-mil Plastic SOJ (PJG32); footprint-compatible with legacy SRAM sockets and wave-solder reflow profiles |
Pinout & Package
71V124SA12TYG is housed in a 32-pin 300-mil Plastic SOJ (PJG32) package with JEDEC-standard center-power/ground pinout-VDD on pins 16 and 24, GND on pins 13 and 20-to minimize simultaneous switching noise and improve signal integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A16 | Address Inputs | 17-bit address bus supporting full 128K-word decoding; no internal latching required |
| I/O0–I/O7 | Bidirectional Data Bus | 8-bit LVTTL-compliant data path; high-impedance state when CS=H or OE=H |
| CS | Chip Select | Active-low enable; controls device activation and dynamic current draw (ICC/ISB) |
| OE | Output Enable | Active-low; gates output drivers independently of CS, enabling shared-bus arbitration |
| WE | Write Enable | Active-low; initiates write cycle; timing-critical for data setup/hold (tDW = 6 ns, tDH = 0 ns) |
| VDD | Power Supply | Two dedicated pins (16, 24); decoupling near each pin reduces IR drop and EMI |
| GND | Ground Reference | Two dedicated pins (13, 20); symmetric placement minimizes ground bounce in high-speed access |
Key Features
| Feature | Design Value |
|---|---|
| JEDEC center power/ground pinout | Reduces simultaneous switching noise by 30–40% vs. corner-pin layouts, improving system-level timing margin |
| Equal access and cycle times | tAA = tRC = tWC = 12 ns ensures predictable bus turnaround without wait-state insertion |
| Single 3.3 V supply operation | Eliminates need for dual-rail regulators or level shifters in LVTTL-based systems |
| Low-power standby modes | ISB1 = 10 µA static current enables battery-backed retention in power-loss scenarios |
| Fast output enable | tOE ≤ 6 ns allows rapid bus sharing between multiple peripherals without added glue logic |
Applications
| Network Interface Card (NIC) | Industrial PLC Data Buffer |
|---|---|
|
Use Scenario: Storing packet descriptors and temporary frame buffers in 10/100 Mbps Ethernet MAC interfaces. IC Role / Device Role / Timing Role: Byte-accessible, low-latency scratchpad memory synchronized to MAC controller's parallel bus. Use Value: 12 ns access time eliminates pipeline stalls during burst transfers; center-GND layout suppresses noise coupling into analog PHY sections. |
Use Scenario: Holding real-time I/O status registers and cyclic process data in programmable logic controllers. IC Role / Device Role / Timing Role: Non-refreshing volatile memory for deterministic scan-cycle data exchange between CPU and I/O modules. Use Value: Fully static operation guarantees data retention across CPU clock stops; 3.3 V LVTTL compatibility simplifies integration with modern ARM-based PLC CPUs. |
| Medical Imaging Front-End | Digital Signal Processor (DSP) Cache |
|
Use Scenario: Capturing raw sensor samples from ultrasound or MRI front-end ADCs before FPGA preprocessing. IC Role / Device Role / Timing Role: High-bandwidth, low-jitter data capture buffer aligned to ADC clock domain. Use Value: tCLZ ≤ 4 ns and tCHZ ≤ 6 ns ensure clean output enable/disable transitions critical for glitch-free sampling windows. |
Use Scenario: Serving as Level 1 instruction/data cache for fixed-point DSPs in motor control or audio codecs. IC Role / Device Role / Timing Role: Tightly coupled memory mapped directly into DSP address space with zero-wait-state access. Use Value: Equal tAA/tRC enables symmetrical read/write performance essential for Harvard-architecture cache coherency. |
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 |
|---|---|---|---|
| CY62128EV30LL-12ZSXI | 128K × 8, 3.3 V, 12 ns, TSOP-32; lower ISB (25 µA) but no center-GND pinout | Preferred where PCB layout prioritizes lowest standby power over noise immunity | Select if board redesign allows TSOP-32 footprint and noise filtering is handled externally |
| AS6C1008-12TIN | 128K × 8, 3.3 V, 12 ns, SOJ-32; identical pinout but higher tOE (8 ns) and wider VDD tolerance (2.7–3.6 V) | Suitable for mixed-voltage systems requiring 2.7 V minimum operation | Choose only if 3.0 V minimum supply or extended voltage margin is mandatory |
Compared with CY62128EV30LL-12ZSXI and AS6C1008-12TIN, the 71V124SA12TYG uniquely delivers JEDEC center-power/ground noise suppression in the same SOJ-32 footprint, making it optimal for noise-sensitive legacy designs where board rework is prohibited.
Availability
71V124SA12TYG is available at Aetrix Electronics and suitable for network interface cards, industrial PLCs, medical imaging subsystems, and DSP-based motor control requiring stable component supply across multi-year production cycles.
Supply support for 71V124SA12TYG 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, with core expertise in microcontrollers, analog, power, and memory technologies.
The 71V124SA12TYG belongs to Renesas' legacy high-speed SRAM product line, engineered specifically for noise-critical, pin-compatible replacements in industrial and communications equipment where reliability and timing predictability are non-negotiable.
FAQ
What is the operating temperature range for the 71V124SA12TYG?
The 71V124SA12TYG is rated for commercial temperature operation from 0°C to +70°C. This range is validated per Renesas' datasheet specifications and applies to all electrical parameters including tAA, tRC, and ISB. Industrial-grade variants (e.g., 71V124SA12TYGI) exist but are distinct orderables-not interchangeable with the 71V124SA12TYG without design validation.
Does the 71V124SA12TYG require a refresh circuit or clock signal?
No, the 71V124SA12TYG is a fully static RAM and requires no refresh cycles or clock input. Its asynchronous architecture relies solely on address, control (CS/OE/WE), and data signals-making it ideal for systems with irregular bus activity or power-gating requirements where clock distribution is impractical.
What package type does the 71V124SA12TYG use, and is it lead-free?
The 71V124SA12TYG uses a 32-pin 300-mil Plastic SOJ (PJG32) package. Per Renesas' ordering information and datasheet revision history, "G" suffix denotes green (lead-free, RoHS-compliant) construction, confirmed for this part number in the June 30, 2020 revision.
How does the center power/ground pinout of the 71V124SA12TYG reduce noise?
The 71V124SA12TYG places VDD on pins 16 and 24 and GND on pins 13 and 20-symmetrically centered in the SOJ-32 layout. This configuration shortens current return paths, balances inductance across power/ground pairs, and cuts simultaneous switching output (SSO) noise by up to 40% compared to corner-pin SOJ packages, directly improving signal integrity on dense PCBs.
Can the 71V124SA12TYG be used with 5 V logic interfaces?
No-the 71V124SA12TYG is strictly a 3.3 V LVTTL device. Its absolute maximum input voltage is VDD + 0.5 V (≤4.1 V), and VIH minimum is 2.0 V. Direct connection to 5 V logic risks damage or undefined behavior; level-shifting circuitry is required for interoperability with 5 V systems.
71V124SA12TYG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 32-BSOJ (0.300", 7.62mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Asynchronous
- Memory Size:
- 1Mbit
- Memory Organization:
- 128K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 12ns
- Access Time:
- 12 ns
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-SOJ
71V124SA12TYG FAQ
1.How can I place an order for 71V124SA12TYG through Aetrix?
Please submit a Request for Quotation (RFQ) for 71V124SA12TYG 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 71V124SA12TYG reliable?
The price and inventory of 71V124SA12TYG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 71V124SA12TYG is usually 5 days.
3.What payment methods are accepted for 71V124SA12TYG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 71V124SA12TYG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 71V124SA12TYG?
71V124SA12TYG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 71V124SA12TYG 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 71V124SA12TYG?
For technical support, including 71V124SA12TYG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 71V124SA12TYG requirements.
6.How does Aetrix verify that 71V124SA12TYG is sourced from the original manufacturer or authorized distributors?
All 71V124SA12TYG 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 71V124SA12TYG meets industry standards.
7.What is the process for return or replacement of 71V124SA12TYG?
All 71V124SA12TYG units undergo pre-shipment inspection (PSI). If there is an issue with 71V124SA12TYG, 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 71V124SA12TYG part is unused and in its original packaging.
Return procedure for 71V124SA12TYG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
71V124SA12TYG 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…
