Renesas 70V7519S133BF

Overview

70V7519S133BF from IDT (Integrated Device Technology) is a high-speed, synchronous, bank-switchable dual-ported SRAM with 256K × 36-bit organization (9 Mbit), designed for low-latency, concurrent read/write access across two independent ports. It delivers 4.2 ns clock-to-data-out in flow-through mode at 133 MHz, supports selectable 3.3 V or 2.5 V I/O interfaces per port, and operates across industrial temperature range (−40°C to +85°C). It is used in packet buffering, network switch fabric control, and real-time DSP co-processing.

For engineers reviewing the 70V7519S133BF datasheet, 70V7519S133BF pinout, 70V7519S133BF application, or 70V7519S133BF equivalent, key selection criteria include dual-port bandwidth (14 Gbps at 200 MHz), bank-switchable architecture enabling non-conflicting parallel access, JTAG IEEE 1149.1 compliance, and fpBGA-208 package compatibility with LVTTL-level timing margins.

Technical Context

The 70V7519S133BF implements a true SRAM core-not a traditional dual-port-partitioned into 64 independent 4K × 36 banks, each accessible via dedicated BA0–BA5 address lines per port. Bank arbitration is user-controlled; simultaneous access to the same bank by both ports results in undefined data and invalid output.

It features fully synchronous operation on both ports with pipelined or flow-through output modes, self-timed write cycles, and separate byte enables (BE0–BE3) supporting 9-bit byte granularity. Clock-to-data timing is optimized for burst transfers, with 1.5 ns setup and 0.5 ns hold on all inputs at 200 MHz.

Key Specifications

Pinout & Package

70V7519S133BF is housed in a 208-pin fine-pitch Ball Grid Array (fpBGA) package with 0.8 mm ball pitch and 15 mm × 15 mm footprint. Power and ground balls are distributed across the array for low-inductance decoupling; VDD (core) must be 3.3 V ±150 mV, while VDDQL/VDDQR are set per port based on OPTL/OPTR logic level.

Key Features

Applications

Equivalent & Alternatives

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

Compared with CY7C1362BV33-133BZI and AS7C3256A-133BIN, the 70V7519S133BF uniquely combines per-port I/O voltage selection, IEEE 1149.1 JTAG, and hardware address counter - enabling mixed-voltage, test-ready, burst-optimized designs unattainable with either alternative.

Availability

70V7519S133BF is available at Aetrix Electronics and suitable for network packet buffering, real-time industrial control, and radar signal processing requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 70V7519S133BF 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 power management ICs for communications, computing, and industrial markets.

The 70V7519S133BF belongs to IDT's high-speed synchronous dual-port SRAM product line, engineered for deterministic, low-latency memory access in multi-processor and packet-forwarding systems where concurrent port activity and precise timing control are critical.

FAQ

What is the maximum operating frequency of the 70V7519S133BF at industrial temperature?

The 70V7519S133BF is rated for 133 MHz operation across the full industrial temperature range (−40°C to +85°C). This speed grade is explicitly validated in the datasheet for industrial use, with timing parameters including 4.2 ns max clock-to-data-out (tCD1) and 25 ns min clock cycle time (tCYC1) under those conditions.

Does the 70V7519S133BF support both 3.3 V and 2.5 V I/O interfaces simultaneously?

Yes - the 70V7519S133BF supports independent I/O voltage selection per port: OPTL configures the left port for either 3.3 V or 2.5 V operation, and OPTR does the same for the right port. This allows one port to interface with a 3.3 V microcontroller while the other connects to a 2.5 V FPGA, without external level shifters.

How does bank switching work in the 70V7519S133BF, and what happens during bank contention?

The 70V7519S133BF uses BA0L–BA5L and BA0R–BA5R to select among 64 independent 4K × 36 banks. If both ports attempt access to the same bank simultaneously, neither access is valid - writes may corrupt data, and reads return invalid output. The architecture requires software or logic to ensure BAx values differ between ports during concurrent operation.

What is the purpose of the PL/FTL and PL/FTR pins on the 70V7519S133BF?

PL/FTL and PL/FTR configure the output timing mode per port: asserting VIH selects pipelined mode (1-cycle latency, higher throughput), while VIL selects flow-through mode (zero-cycle latency, lower latency). This setting is static during operation and directly affects tCD1/tCD2 and tCYC1/tCYC2 timing parameters in the 70V7519S133BF datasheet.

Is JTAG boundary-scan supported on the 70V7519S133BF, and which pins are used?

Yes - the 70V7519S133BF fully supports IEEE 1149.1 JTAG boundary-scan. Pins TDI, TDO, TCK, TMS, and TRST are dedicated to this function and appear in the fpBGA-208 pinout. JTAG enables in-system test, interconnect verification, and programming of associated logic in complex PCB assemblies containing the 70V7519S133BF.