Renesas 7014S20PF

Overview

7014S20PF from Renesas Electronics is a high-speed 4K × 9 true dual-port static RAM with independent asynchronous ports, 20 ns maximum read cycle time (tRC), TTL-compatible 5 V ±10% operation, and 750 mW typical active power consumption. It enables simultaneous reads from both ports to the same memory location and supports parity-enabled data communication systems.

For engineers reviewing the 7014S20PF datasheet, 7014S20PF pinout, 7014S20PF application, or 7014S20PF equivalent, this device is selected for deterministic low-latency memory arbitration in real-time digital signal processing, video frame buffering, and dual-CPU interprocessor communication where hardware BUSY signaling is omitted.

Technical Context

The 7014S20PF implements fully asynchronous dual-port architecture with separate address, control, and bidirectional I/O buses per port-no internal arbitration logic. Each port features dedicated R/W, OE, and address lines (A0–A11), enabling concurrent read/write operations without contention resolution circuitry.

It uses standard-power CMOS technology with TTL-level input thresholds (VIH = 2.2 V min, VIL = 0.8 V max) and drives outputs to VOH ≥ 2.4 V at –4 mA and VOL ≤ 0.4 V at +4 mA. The device operates across commercial temperature range (0°C to +70°C) and supports 9-bit wide data paths for optional parity bit handling.

Key Specifications

Pinout & Package

7014S20PF is packaged in a 64-pin thin quad flatpack (TQFP), designated PNG64, measuring 14 mm × 14 mm × 1.4 mm. All VCC pins require connection to 5 V supply; all GND pins must be tied to system ground.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-port SRAM applications.

Compared with 7014S20PF, CY7C1362V-20AXC offers voltage scalability at the cost of interface compatibility, while AS7C34098B-20JC preserves 5 V TTL signaling but constrains packaging flexibility and increases power demand.

Availability

7014S20PF is available at Aetrix Electronics and suitable for video frame buffering, dual-CPU interprocessor communication, and telecom data packet buffering requiring stable component supply and long-term obsolescence management.

Supply support for 7014S20PF 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 specializing in microcontrollers, analog, power, and memory solutions for automotive, industrial, and infrastructure markets.

The 7014S20PF belongs to Renesas' legacy IDT dual-port SRAM product line, designed specifically for deterministic, low-latency shared-memory architectures in real-time embedded systems without on-chip arbitration.

FAQ

What is the operating temperature range supported by the 7014S20PF?

The 7014S20PF is qualified for commercial temperature operation only: 0°C to +70°C ambient. It is not specified or tested for industrial (–40°C to +85°C) or extended temperature ranges. Systems deployed outside this range may experience timing violations or parametric failure, and Renesas does not guarantee functionality beyond the stated specification.

Does the 7014S20PF include on-chip arbitration logic for simultaneous write conflicts?

No, the 7014S20PF does not include on-chip arbitration logic. When both ports attempt to write to the same memory location simultaneously, partial or corrupted data may result. System-level arbitration-such as external BUSY signaling or software coordination-is required to prevent write collisions. This design choice reduces latency and complexity but shifts responsibility to the application layer.

Can the 7014S20PF be used with a 3.3 V microcontroller interface?

The 7014S20PF requires a 5 V ±10% supply and exhibits TTL-compatible input thresholds (VIH ≥ 2.2 V, VIL ≤ 0.8 V), making direct connection to 3.3 V logic unsafe without level translation. Driving its inputs from 3.3 V outputs risks violating VIH minimum under process/voltage/temperature variation. A dedicated level shifter or buffer is mandatory for reliable interoperability.

What package type is used for the 7014S20PF, and are there alternative packages?

The 7014S20PF uses a 64-pin thin quad flatpack (TQFP), identified as PNG64, with dimensions 14 mm × 14 mm × 1.4 mm. While the base IDT7014S family was also offered in 52-pin PLCC (PLG52), the specific orderable part 7014S20PF is TQFP-only per Renesas' ordering information-no PLCC variant exists for the 20 ns speed grade.

How does the 9-bit data width of the 7014S20PF support parity functionality?

The 9-bit data path (I/O0–I/O8) allows users to dedicate one bit-typically I/O8-as a parity bit for error detection. During transmission or storage, the host system generates even or odd parity over the 8 data bits and stores it alongside; during retrieval, parity is checked before forwarding. This capability is explicitly enabled by the device's architecture and requires no internal configuration-parity is implemented entirely in external logic.