UT8CR512K32 16 Megabit SRAM
Standard Products
UT8CR512K32 16 Megabit SRAM
Advanced Data Sheet October 2004 www.aeroflex.com/4MSRAM
FEATURES 17ns...
Description
Standard Products
UT8CR512K32 16 Megabit SRAM
Advanced Data Sheet October 2004 www.aeroflex.com/4MSRAM
FEATURES 17ns maximum access time Asynchronous operation for compatibility with industrystandard 512K x 8 SRAMs CMOS compatible inputs and output levels, three-state bidirectional data bus - I/O Voltage 3.3 volts, 1.8 volt core Radiation performance - Intrinsic total-dose: 300 Krad(Si) - SEL Immune >100 MeV-cm2/mg - LETth (0.25): 53.0 MeV-cm2/mg - Memory Cell Saturated Cross Section 1.67E-7cm2/bit - Neutron Fluence: 3.0E14n/cm2 - Dose Rate - Upset 1.0E9 rad(Si)/sec - Latchup 1.0E11 rad(Si)/sec Packaging options: - 68-lead ceramic quad flatpack (20.238 grams with lead frame) Standard Microcircuit Drawing 5962-04227 - QML compliant part
INTRODUCTION The UT8CR512K32 is a high-performance CMOS static RAM multi-chip module (MCM), organized as four individual 524,288 words by 8 bit SRAMs with common output enable. Easy memory expansion is provided by active LOW chip enables (EN), an active LOW output enable (G), and three-state drivers. This device has a power-down feature that reduces power consumption by more than 90% when deselected. Writing to each memory is accomplished by taking the corresponding chip enable (En) input LOW and write enable (Wn) input LOW. Data on the I/O pins is then written into the location specified on the address pins (A0 through A18). Reading from the device is accomplished by taking the chip enable (En) and output enable (G) LOW while fo...
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