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IDT7203L20LB Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDT7203L20LB Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 14 page Integrated Device Technology, Inc. MILITARY AND COMMERCIAL TEMPERATURE RANGES DECEMBER 1996 ©1996 Integrated Device Technology, Inc. DSC-2661/9 5.04 1 FEATURES: • First-In/First-Out Dual-Port memory • 2048 x 9 organization (IDT7203) • 4096 x 9 organization (IDT7204) • 8192 x 9 organization (IDT7205) • 16384 x 9 organization (IDT7206) • High-speed: 12ns access time • Low power consumption — Active: 770mW (max.) — Power-down: 44mW (max.) • Asynchronous and simultaneous read and write • Fully expandable in both word depth and width • Pin and functionally compatible with IDT720X family • Status Flags: Empty, Half-Full, Full • Retransmit capability • High-performance CMOS technology • Military product compliant to MIL-STD-883, Class B • Standard Military Drawing for #5962-88669 (IDT7203), 5962-89567 (IDT7203), and 5962-89568 (IDT7204) are listed on this function • Industrial temperature range (-40oC to +85oC) is avail- able, tested to military electrical specifications . The IDT logo is a registered trademark of Integrated Device Techology, Inc. IDT7203 IDT7204 IDT7205 IDT7206 DESCRIPTION: The IDT7203/7204/7205/7206 are dual-port memory buff- ers with internal pointers that load and empty data on a first- in/first-out basis. The device uses Full and Empty flags to prevent data overflow and underflow and expansion logic to allow for unlimited expansion capability in both word size and depth. Data is toggled in and out of the device through the use of the Write ( W) and Read (R) pins. The devices 9-bit width provides a bit for a control or parity at the user’s option. It also features a Retransmit ( RT) capa- bility that allows the read pointer to be reset to its initial position when RT is pulsed LOW. A Half-Full Flag is available in the single device and width expansion modes. The IDT7203/7204/7205/7206 are fabricated using IDT’s high-speed CMOS technology. They are designed for appli- cations requiring asynchronous and simultaneous read/writes in multiprocessing, rate buffering, and other applications. Military grade product is manufactured in compliance with the latest revision of MIL-STD-883, Class B. CMOS ASYNCHRONOUS FIFO 2048 x 9, 4096 x 9, 8192 x 9 and 16384 x 9 W WRITE CONTROL READ CONTROL R FLAG LOGIC EXPANSION LOGIC XI WRITE POINTER RAM ARRAY 2048 x 9 4096 x 9 8192 x 9 16384 x 9 READ POINTER DATA INPUTS RESET LOGIC THREE- STATE BUFFERS DATA OUTPUTS EF FF XO/HF RS FL/RT 0 (D –D8) 0 (Q –Q8 ) 2661 drw 01 FUNCTIONAL BLOCK DIAGRAM For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391. |
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