Document
CYDM064B16 CYDM128B16 CYDM256B16
1.8 V 4 K/8 K/16 K × 16 MoBL® Dual-Port Static RAM
1.8V 4K/8K/16K x 16 MoBL® Dual-Port Static RAM
Features
■ True dual ported memory cells that allow simultaneous access of the same memory location
■ 4, 8, or 16K × 16 organization ■ Ultra Low operating power
❐ Active: ICC = 15 mA (typical) at 55 ns ❐ Standby: ISB3 = 2 A (typical) ■ Small footprint: available in a 6x6 mm 100-pin Pb-free vfBGA ■ Port independent 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 or 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 communication ■ Separate upper-byte and lower-byte control ■ Industrial temperature ranges
Selection Guide for VCC = 1.8V
Para.