SRAM Chip Async Dual 1.8V 64Kbit 4K x 16 55ns 81Pin CABGA T/R
* True Dual-Ported memory cells which allow simultaneous reads of the same memory location * High-speed access * Industrial: 40/55ns max. * On-chip port interrupt logic which supports level shift output * Fully asynchronous operation from either port * Power supply isolation functionality to aid system power management * Separate upper-byte and lower-byte control for multiplexed bus compatibility * Left port is selectable 3.0V, 2.5V or 1.8V * Right port is 1.8V I/O * LVTTL-compatible, single 1.8V ±100mV power supply * Available in 81 Ball 0.5mm-pitch BGA * Industrial temperature range -40°C to +85°C