Renesas Electronics America Inc IDT71T75802S133PF8

Mfr. Part

IDT71T75802S133PF8

Manufacturer

Renesas Electronics Corporation

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Detailed Description

High‑speed synchronous ZBT SRAM, 18Mbit capacity, organized as 1M x 18, parallel interface, 133 MHz operation, 4.2 ns access, 2.5 V supply, commercial temperature 0 to 70°C. Packaged in 100‑pin TQFP/LQFP (14 x 14 mm). RoHS non‑compliant. Supplied on Tape & Reel for automated assembly. Ideal for latency‑sensitive buffering and caching in networking, telecom, and FPGA‑based systems.

Key Features

18Mbit capacity, 1M x 18 organization for wide data paths

Synchronous SDR operation with parallel interface

ZBT (Zero Bus Turnaround) technology for read-after-write without idle cycles

133 MHz max clock frequency

4.2 ns typical access time

2.375 V to 2.625 V supply (nominal 2.5 V)

Commercial temp range 0°C to 70°C (TA)

100‑pin TQFP/LQFP package, 14 x 14 mm body

Surface‑mount, Tape & Reel packaging for high‑volume production

Base product family IDT71T75 for related variants and speed grades

Key Advantages

Higher throughput and lower latency thanks to ZBT (no bus turnaround penalties)

Predictable timing for pipelines and deterministic systems

Wide x18 data bus simplifies interfacing with FPGAs, DSPs, and network ASICs

Mature, proven SRAM technology for reliability in long‑life platforms

2.5 V operation reduces power versus older 3.3 V SRAMs

Compact 100‑pin TQFP/LQFP footprint eases PCB layout and rework

Parallel interface keeps design simple and reduces firmware complexity

Packaging

Type: 100‑pin TQFP / LQFP, gull‑wing leads, surface mount

Size: 14 x 14 mm body (supplier device package 100‑TQFP 14x14)

Tape & Reel: Industry‑standard carrier tape and antistatic reel for automated placement

Materials: Epoxy molding compound, copper alloy leadframe with protective plating

Pin configuration: 100 leads with typical fine pitch, x18 data bus, address lines, clock, chip enable, output enable, write enable, and byte‑write enables (see datasheet for exact pinout)

Thermal characteristics: Commercial operating temperature 0°C to 70°C; detailed thermal metrics (θJA, θJC, derating) depend on board and airflow and are specified in the datasheet

Electrical properties: 2.375 V to 2.625 V supply, synchronous SDR operation to 133 MHz, 4.2 ns access time, CMOS I/O levels; detailed currents, timings, and AC/DC specs in the datasheet

Compliance: RoHS non‑compliant

Lifecycle

Status insight: This is a mature network‑class synchronous SRAM. Availability can vary by region and date. It is not a new design introduction; lifecycle should be reviewed per project needs.

Equivalent or alternative models to consider and cross‑check for compatibility:

- Renesas/IDT family peers: IDT71T75802S100PF8, IDT71T75802S166PF8, and industrial‑temp variants (I suffix) with similar organization and package

- GSI Technology: GS74118 series (1M x 18 synchronous ZBT SRAM, comparable speed grades and packages)

- Infineon (Cypress) CY7C1365G series (1M x 18 synchronous ZBT SRAM, multiple speed grades and packages)

- ISSI IS61NLP102418 series (1M x 18 synchronous pipelined/ZBT SRAM in TQFP/LQFP and BGA options)

- Note: Always verify pinout, timing, voltage, package, and bus protocol details against your design. Some alternatives may differ in pipeline depth, control pins, or electrical limits.

If you need a direct drop‑in or the above do not meet your requirements, contact our sales team via the Y-IC website for the latest lifecycle status, stock, and vetted cross‑references

Key Application Areas

Network routers, switches, and line cards (packet buffering, lookup tables)

Telecom base stations and backhaul (frame buffers, queue memory)

FPGA and ASIC designs needing fast external SRAM (state machines, FIFOs, scratchpad)

High‑speed imaging and video processing (line/frame buffers)

Industrial control and automation (deterministic caches and data logging)

Test and measurement equipment (capture buffers, real‑time processing)

Embedded computing and DSP systems (low‑latency working memory)

Datasheet

Our website hosts the most authoritative datasheet for this exact model. Download it directly on this page for full electrical, timing, mechanical, and thermal specifications.

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