70V24

HIGH-SPEED 3.3V 8/4K x 18 DUAL-PORT 8/4K x 16 DUAL-PORT STATIC RAM 70V35/34S/L 70V25/24S/L Features ◆ True Dual-Ported memory cells which allow simultaneous reads of the same memory location ◆ High-speed access IDT70V35 – Commercial: 15ns (max.) – Industrial: 20ns IDT70V34 – Commercial: 15ns (max.) IDT70V25 – Commercial: 15/35ns (max.) – Industrial: 20/25ns IDT70V24 – Commercial: 15//35/55ns (max.) – Industrial: 15/20ns ◆ Low-power operation – IDT70V35/34L Active: 415mW (typ.) Standby: 660μW (typ.) Functional Block Diagram R/WL UBL – IDT70V25/24S – IDT70V25/24L Active: 400mW (typ.) Active: 380mW (typ.) Standby: 3.3mW (typ.) Standby: 660μW (typ.) ◆ Separate upper-byte and lower-byte control for multiplexed bus compatibility ◆ IDT70V35/34 (IDT70V25/24) easily expands data bus width to 36 bits (32 bits) or more using the Master/Slave select when cascading more than one device ◆ M/S = VIH for BUSY output flag on Master M/S = VIL for BUSY input on Slave ◆ BUSY and Interrupt Flag ◆ On-chip port arbitration logic ◆ Full on-chip hardware support of semaphore signaling between ports ◆ Fully asynchronous operation from either port ◆ LVTTL-compatible, single 3.3V (±0.3V) power supply ◆ Available in a 100-pin TQFP (IDT70V35/34) & (IDT70V25/24), and 84-pin PLCC (IDT70V24) ◆ Industrial temperature range (-40°C to +85°C) is available for selected speeds ◆ Green parts available, see ordering information R/WR UBR LBL CEL OEL I/O9L-I/O17L(5) I/O0L-I/O8L(4) BUSYL(2,...