VERY LOW POWER 1.8V 8K/4K x 16 DUAL-PORT STATIC RAM
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VERY LOW POWER 1.8V 8K/4K x 16 DUAL-PORT STATIC RAM
PRELIMINARY IDT70P257/247L
Features
◆ True Du...
Description
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...
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