Skip to main content
Renesas Electronics 71V3558S133BG — Discrete Semiconductors

71V3558S133BG SRAM 4.5Mbit 133 MHz 4.2 ns 119-PBGA

MPN71V3558S133BG
End of Life

Renesas 71V3558S133BG, Synchronous SRAM (ZBT), 4.5 Mbit (256K x 18), 133 MHz clock, 4.2 ns access, Parallel interface, 3.135 V to 3.465 V supply, 0°C to 70°C, 119-PBGA (14x22).

$3.33Ref. price · indicative, final on quote
Packaging119-BGA
RoHSRoHS non-compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

71V3558S133BG specifications
ParameterValue
Memory typeVolatile
MountingSurface Mount
Supply voltage3.135V ~ 3.465V
Clock frequency133 MHz
Memory interfaceParallel
Operating temperature0°C ~ 70°C (TA)
PackageBulk
TechnologySRAM - Synchronous, SDR (ZBT)
Access time4.2 ns
Memory size4.5Mbit
Memory formatSRAM
Case119-BGA
Memory organization256K x 18

Product details

Synchronous ZBT SRAM for high-throughput buffer applications

The Renesas 71V3558S133BG is a 4.5 Mbit synchronous SRAM organized 256K x 18, built on ZBT (Zero Bus Turnaround) technology. It clocks at 133 MHz with a 4.2 ns access time.

No last-time-buy notice or end-of-life announcement is on record.

Commercial temperature grade — indoor equipment only

Not rated for outdoor base stations, motor drives, or automotive under-hood use.

Frequently asked questions

What is the memory configuration of the 71V3558S133BG?

The 71V3558S133BG is organized as 256K words by 18 bits, for a total of 4.5 Mbit. The 18-bit width supports a 16-bit data word plus two parity bits, common in networking buffer applications.

What is the clock frequency of the 71V3558S133BG?

The 71V3558S133BG operates at a 133 MHz clock frequency, with a 4.2 ns access time.