UPD4481181 - NEC

UPD4481181 (UPD4481161/1181/1321/1361) 8M-BIT ZEROSB SRAM

The µPD4481161 is a 524,288-word by 16-bit, the µPD4481181 is a 524,288-word by 18-bit, the µPD4481321 is a 262,144-word by 32-bit and the µPD4481361 is a 262,144-word by 36-bit ZEROSB static RAM fabricated with advanced CMOS technology using full CMOS six-transistor memory cell. The µPD4481161, µPD4481181, µPD4481321 and µPD4481361 are optimized to eliminat.

Features

• Low voltage core supply : VDD = 3.3 ± 0.165 V (-A65, -A75, -A85, -A65Y, -A75Y, -A85Y) VDD = 2.5 ± 0.125 V (-C75, -C85, -C75Y, -C85Y)
• Synchronous operation
• Operating temperature : TA = 0 to 70 °C (-A65, -A75, -A85, -C75, -C85) TA = −40 to +85 °C (-A65Y, -A75Y, -A85Y, -C75Y, -C85Y)
• 100 percent bus utilization
• Internally self-timed write control
• Burst read / write : Interleaved burst and linear burst sequence
• Fully registered inputs and outputs for flow through operation
• All registers triggered off positive clock edge
• 3.3V or 2.5V LVTTL Compatible : All inputs and outputs
• Fast.