IDT71V30L

HIGH-SPEED 3.3V 1K X 8 DUAL-PORT STATIC RAM Features x x IDT71V30S/L High-speed access – Commercial: 25/35/55ns (max.) Low-power operation – IDT71V30S — Active: 375mW (typ.) — Standby: 5mW (typ.) – IDT71V30L — Active: 375mW (typ.) — Standby: 1mW (typ.) x x x x x x On-chip port arbitration logic Interrupt flags for port-to-port communication Fully asynchronous operation from either port Battery backup operation, 2V data retention (L Only) TTL-compatible, single 3.3V ±0.3V power supply Industrial temperature range (-40OC to +85OC) is available for selected speeds Functional Block Diagram OEL CEL R/WL OER CER R/WR I/O0L- I/O7L I/O Control BUSYL (1) I/O0R-I/O7R I/O Control BUSYR (1) A9L A0L Address Decoder 10 MEMORY ARRAY 10 Address Decoder A9R A0R CEL OEL R/WL ARBITRATION and INTERRUPT LOGIC CER OER R/WR INTL (2) INTR 3741 drw 01 (2) NOTES: 1. IDT71V30: BUSY outputs are non-tristatable push-pulls. 2. INT outputs are non-tristable push-pull output structure. JANUARY 2001 1 ©2000 Integrated Device Technology, Inc. DSC 3741/7 IDT71V30S/L High-Speed 1K x 8 Dual-Port Static RAM with Interrupts Industrial and Commercial Temperature Ranges Description The IDT71V30 is a high-speed 1K x 8 Dual-Port Static RAM. The IDT71V30 is designed to be used as a stand-alone 8-bit Dual-Port SRAM. Both devices provide two independent ports with separate control, address, and I/O pins that permit independent, asynchronous access for reads or writes to any location in memory. An ...