Overview

The 71V65603 3.3V CMOS SRAM, organized as 256K X 36, is designed to eliminate dead bus cycles when turning the bus around between reads and writes or writes and reads. Thus, it has been given the name ZBT™, or Zero Bus Turnaround. The 71V65603 contains data I/O, address, and control signal registers. In the burst mode, it can provide four cycles of data for a single address presented to the SRAM.

71V65603 - Block Diagram
71V65603 - Block Diagram
  • High-performance system speed - 150MHz (3.8ns Clock-to-Data access)
  • ZBT 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%)
  • 3.3V I/O Supply (VDDQ)
  • Power down controlled by ZZ input
  • Available in 100-pin TQFP, 119-pin BGA, and 165 fpBGA packages

Documentation

Design & Development

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

Explore ECAD Models
Diagram of ECAD Models

Product Options

    Processing table
    Pkg. Type
    Lead Count (#)
    Temp. Grade
    Pb (Lead) Free
    Carrier Type
    Moisture Sensitivity Level (MSL)
    Price (USD) | 1ku
    Buy / Sample
    Part Number
    71V65603S100PFG
    circleActive
    memory
    view_in_ar
    Samples Available
    Buy Now
    		TQFP 100 C Yes Tray 3 16.22 Get Samples,
    71V65603S100PFG8
    circleActive
    memory
    view_in_ar
    		TQFP 100 C Yes Reel 3
    71V65603S133BQG
    circleActive
    memory
    view_in_ar
    Samples Available
    		 CABGA 165 C Yes Tray 3 Get Samples,
    71V65603S133PFG
    circleActive
    memory
    view_in_ar
    Samples Available
    		 TQFP 100 C Yes Tray 3 10.15 Get Samples,
    71V65603S133PFG8
    circleActive
    memory
    view_in_ar
    		TQFP 100 C Yes Reel 3 9.172
    71V65603S150BQGI
    circleActive
    memory
    view_in_ar
    Samples Available
    		 CABGA 165 I Yes Tray 3 24.15 Get Samples,
    71V65603S150BQGI8
    circleActive
    memory
    view_in_ar
    		CABGA 165 I Yes Reel 3
    Parametric Table tips

    Tips for Using This Parametric Table:

    • Hide Filters button in header: Collapse or expands filters
    • Column sort buttons in header: Sort Column alphabetically / numerically descending or ascending
    • Reset button in header: Reset all filters to the page default
    • Full Screen button in header: Expand the table to full screen view (user must close out of full screen before they can interact with rest of page)
    • Export button in header: Export the filtered results of the table to an Excel document
    • Filter parts search bar in header: Type to filter table results by part number
    • Hide column button in column headers: Select to hide columns in table
    • AND / OR toggle switches in header: Toggles the logic of this particular filter to be “AND” or “OR” logic for filtering results
    • Multiselect checkboxes at beginning of each row in table: Select these checkboxes to compare products against each other
    • Document icon next to product name in row: View the featured document for this product
    • Chip icon next to the right of the document icon in row: View the block diagram for this product
    • Cart icon to the right of the chip icon: Indicates that samples are available for this product