CYDM256A16 Datasheet | Cypress

Features - True dual-ported memory cells which allow simultaneous access of the same memory location - 4/8/16K × 16 and 8/16K x 8 organization - High-speed access: 35 ns - Ultra Low operating power - Active: ICC = 15 m A (typical) at 55 ns - Active: ICC = 25 m A (typical) at 35 ns - Standby: ISB3 = 2 µA (typical) - Small footprint: Available in a 6x6 mm 100-pin Lead(Pb)-free f BGA - Supports 1.8V, 2.5V, and 3.0V I/Os - Full asynchronous operation - Automatic power-down - Pin select for Master or Slave - Expandable data bus to 32 bits with Master/Slave chip select when using more than one device - On-chip arbitration logic - Semaphores included to permit software handshaking between ports - Input Read Registers and Output Drive Registers - INT flag for port-to-port munication - Separate upper-byte and lower-byte control - Industrial temperature ranges Selection Guide for 1.8V CYDM256A16, CYDM128A16, CYDM064A16, CYDM128A08, CYDM064A08 -35 Maximum Access Time Typical Operating Current Typical Standby Current for ISB1 Typical Standby Current for ISB3 35 25 2 2 CYDM256A16, CYDM128A16, CYDM064A16, CYDM128A08, CYDM064A08 -55 55 15 2 2 Unit ns m A µA µA Selection Guide for 2.5V CYDM256A16, CYDM128A16, CYDM064A16, CYDM128A08, CYDM064A08 -35 Maximum Access Time Typical Operating Current Typical Standby Current for ISB1 Typical Standby Current for ISB3 35 39 6 4 CYDM256A16, CYDM128A16, CYDM064A16, CYDM128A08, CYDM064A08 -55 55 28 6 4 Unit ns m A µA µA Selection Guide for 3.0V CYDM256A16, CYDM128A16, CYDM064A16, CYDM128A08, CYDM064A08 -35 Maximum Access Time Typical Operating Current Typical Standby Current for ISB1 Typical Standby Current for ISB3 35 49 7 6 CYDM256A16, CYDM128A16, CYDM064A16, CYDM128A08, CYDM064A08 -55 55 42 7 6 Unit ns m A µA µA Cypress Semiconductor Corporation Document #: 38-06081 Rev. - F - 198 Champion Court - San Jose, CA 95134-1709 - 408-943-2600 Revised October 31, 2005 CYDM256A16, CYDM128A16, CYDM064A16, CYDM128A08, .. CYDM064A08 I/O[15:0]L UBL...