IDT70P257L

www.DataSheet4U.com VERY LOW POWER 1.8V 8K/4K x 16 DUAL-PORT STATIC RAM PRELIMINARY IDT70P257/247L Features ◆ True Dual-Ported memory cells which allow simultaneous reads of the same memory location ◆ High-speed access – Industrial: 55ns (max.) ◆ Low-power operation IDT70P257/247L Active: 27mW (typ.) Standby: 3.6µW (typ.) ◆ Separate upper-byte and lower-byte control for multiplexed bus compatibility ◆ IDT70P257/247 easily expands data bus width to 32 bits or more using the Master/Slave select when cascading more than one device ◆ M/S = VDD for BUSY output flag on Master M/S = VSS for BUSY input on Slave ◆ Input Read Register ◆ Output Drive Register ◆ 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 1.8V (±100mV) power supply ◆ Available in 100 Ball 0.5mm-pitch BGA ◆ Industrial temperature range (-40...