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128K x 36 3.3V Synchronous ZBT™ SRAMs 2.5V I/O, Burst Counter Pipelined Outputs
IDT71V2556S/XS IDT71V2556SA/XSA
Features
◆ 128K x 36 memory configurations ◆ Supports high performance system speed - 166 MHz
(3.5 ns Clock-to-Data Access) ◆ ZBTTM Feature - No dead cycles between write and read
cycles ◆ Internally synchronized output buffer enable eliminates the
need to control OE ◆ Single R/W (READ/WRITE) control pin ◆ Positive clock-edge triggered address, data, and control
signal registers for fully pipelined applications ◆ 4-word burst capability (interleaved or linear) ◆ Individual byte write (BW1 - BW4) control (May tie active) ◆ Three chip enables for simple depth expansion ◆ 3.3V power supply (±5%), 2.5V I/O Supply (VDDQ) ◆ Optional - Boundary Scan JTAG Interface (IEEE 1149.1
complaint) ◆ Packaged in a JEDEC standard 100-pin plastic thin quad
flatpack (TQFP) and 119 ball grid array (BGA)
Description
The IDT71V2556 is a 3.3V high-speed 4,718,592-bit (4.5.