CYRS1543AV18 Datasheet - Cypress Semiconductor

CYRS1543AV18 72-Mbit QDR II+ SRAM Four-Word Burst Architecture

The CYRS1543AV18 and CYRS1545AV18 are synchronous pipelined SRAMs, equipped with 1.8 V QDR II+ architecture with RadStop™ technology. Cypress’s state-of-the-art RadStop Technology is radiation hardened through proprietary design and process hardening techniques. The QDR II+ architecture consists of .

72-Mbit QDR® II+ SRAM Four-Word Burst Architecture with RadStop™ Technology Radiation Performance Radiation Data Total Dose =300 Krad Soft error rate (both Heavy Ion and proton) Heavy ions  1 × 10-10 upsets/bit-day with an external SECDED EDAC Controller Neutrons = 2.0 × 1014 N/cm2 Dose rate = 2.0 × 109 rad(Si)/sec Dose rate survivability (rad(Si)/sec) = 1.5 × 10^11 (rad(Si)/sec Latch up immunity = 120 MeV.cm2/mg (125 °C) Prototyping Options Non-qualif.

CYRS1543AV18 Features

* Separate independent read and write data ports

* Supports concurrent transactions

* 250 MHz clock for high bandwidth

* Four-word burst for reducing address bus frequency

* Double data rate (DDR) interfaces on both read and write ports at 250 MHz (data transferred at 500 MHz)

CYRS1543AV18-CypressSemiconductor.pdf