Renesas 7203L12TPG

Overview

IDT7203L12TPG from Integrated Device Technology is a 2,048 x 9-bit asynchronous CMOS FIFO memory buffer with 12 ns access time, designed for rate buffering and data synchronization between mismatched-speed subsystems in industrial and military systems. It features dual-port operation, retransmit capability, and status flags (Empty, Full, Half-Full) to prevent overflow/underflow.

For engineers reviewing the IDT7203L12TPG datasheet, IDT7203L12TPG pinout, IDT7203L12TPG application, or IDT7203L12TPG equivalent, key selection criteria include its 12 ns access time, 5 V supply compatibility, industrial temperature range (–40°C to +85°C), and plastic thin DIP (TP) package with 28 pins.

Technical Context

The IDT7203L12TPG implements a first-in/first-out dual-port memory architecture with independent read and write pointers, enabling simultaneous asynchronous read/write operations without external arbitration. Its internal flag logic generates EF, FF, and XO/HF outputs based on pointer comparison, supporting single-device and width-expansion configurations.

It supports retransmit (RT) functionality that resets the read pointer to location zero while preserving the write pointer, and includes expansion logic for unlimited word-depth scaling via daisy-chained XI/XO connections - though RT and HF are disabled in depth-expansion mode.

Key Specifications

Pinout & Package

Package: Plastic Thin DIP (TP), 28-pin, 0.3-inch body width, through-hole mounting. RoHS-compliant green variant (suffix G) per ordering code.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FIFO memory applications.

Compared with 7203L15TPG and 7203L20TPG, the IDT7203L12TPG delivers the fastest access time in the industrial-grade TP package, enabling tighter timing closure in high-throughput data pipelines while maintaining full backward compatibility in footprint and control logic.

Availability

IDT7203L12TPG is available at Aetrix Electronics and suitable for industrial motor control, avionics data buffering, and medical imaging data pipeline applications requiring stable component supply across extended product lifecycles.

Supply support for IDT7203L12TPG 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), now part of Renesas Electronics, is a fabless semiconductor company specializing in timing, memory interface, RF, and high-performance interconnect solutions.

The IDT7203L12TPG belongs to the IDT720x family of asynchronous FIFOs, engineered for deterministic, low-latency data buffering in real-time industrial, aerospace, and test equipment systems where clock domain isolation is critical.

FAQ

What is the maximum operating frequency supported by the IDT7203L12TPG?

The IDT7203L12TPG does not operate on a fixed clock but supports asynchronous read/write cycles with a minimum read cycle time (t_RC) of 20 ns and write cycle time (t_WC) of 20 ns, enabling effective data throughput up to 50 MHz shift frequency under commercial/industrial conditions. Its 12 ns access time ensures reliable timing margins for high-speed interfacing.

Does the IDT7203L12TPG support depth expansion for larger memory capacity?

Yes, the IDT7203L12TPG supports depth expansion via its XI and XO/HF pins to cascade multiple devices and increase total word depth beyond 2,048. However, in depth expansion mode, the retransmit (RT) and half-full (HF) functions are disabled, and external logic is required to generate composite EF and FF signals across the chain.

What is the purpose of the FL/RT pin on the IDT7203L12TPG?

The FL/RT pin on the IDT7203L12TPG serves a dual role: as First Load (FL) in depth expansion mode to designate the first device in a chain, and as Retransmit (RT) in single-device mode. When pulsed LOW, RT resets the internal read pointer to location zero while leaving the write pointer unchanged - enabling deterministic replay of buffered data without host intervention.

Is the IDT7203L12TPG RoHS compliant?

Yes, the IDT7203L12TPG is a green (RoHS-compliant) part, indicated by the "G" suffix in its ordering code. It uses lead-free terminations and meets EU Directive 2011/65/EU requirements, with no exemptions applied. Legacy SnPb versions are discontinued per PDN# SP-17-02.

How does the IDT7203L12TPG handle power-down states?

The IDT7203L12TPG enters low-power mode when R = W = RS = FL/RT = V_CC, reducing ICC2 (standby current) to ≤12 mA and ICC3 (power-down current) to ≤2 mA. In this state, data is retained in the RAM array, and status flags remain valid; normal operation resumes within t_RSC (20 ns reset cycle time) after control inputs return to active levels.