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IDT72V03 Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDT72V03 Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 13 page Integrated Device Technology, Inc. COMMERCIAL TEMPERATURE RANGE DECEMBER 1996 ©1996 Integrated Device Technology, Inc. DSC-3033/6 5.08 1 7202/7203/7204. These devices load and empty data on a first-in/first-out basis. They use 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. The reads and writes are internally sequential through the use of ring pointers, with no address information required to load and unload data. Data is toggled in and out of the devices through the use of the Write ( W)andRead(R)pins. Thedevices have a maximum data access time as fast as 25 ns. The devices utilize a 9-bit wide data array to allow for control and parity bits at the user’s option. This feature is especially useful in data communications applications where it is necessary to use a parity bit for transmission/reception error checking. They also feature a Retransmit ( RT) capability that allows for reset of the read pointer to its initial position when RT is pulsed low to allow for retransmission from the beginning of data. A Half-Full Flag is available in the single device mode and width expansion modes. The IDT72V01/72V02/72V03/72V04 is fabricated using IDT’s high-speed CMOS technology. It has been designed for those applications requiring asynchronous and simultaneous read/writes in multiprocessing and rate buffer applications. FEATURES: • 3.3V family uses 70% less power than the 5 Volt 7201/ 02/03/04 family • 512 x 9 organization (72V01) • 1024 x 9 organization (72V02) • 2048 x 9 organization (72V03) • 4096 X 9 organization (72V04) • Functionally compatible with 720x family • 25 ns access time • Asynchronous and simultaneous read and write • Fully expandable by both word depth and/or bit width • Status Flags: Empty, Half-Full, Full • Auto-retransmit capability • Available in 32-pin PLCC and 28-pin SOIC Package (to be determined) • Industrial temperature range (-40oC to +85oC) is avail- able, tested to military electrical specifications 3.3 VOLT CMOS ASYNCHRONOUS FIFO 512 x 9, 1024 x 9, 2048 x 9, 4096 x 9 CEMOS is a trademark of Integrated Device Technology, Inc. FAST is a trademark of National Semiconductor Co. IDT72V01 IDT72V02 IDT72V03 IDT72V04 DESCRIPTION: The IDT72V01/72V02/72V03/72V04 are dual-port FIFO memories that operate at a power supply voltage (Vcc) between 3.0V and 3.6V. Their architecture, functional opera- tion and pin assignments are identical to those of the IDT7201/ FUNCTIONAL BLOCK DIAGRAM W WRITE CONTROL READ CONTROL R FLAG LOGIC EXPANSION LOGIC XI WRITE POINTER RAM ARRAY 512x 9 1024 x 9 2048 x 9 4096 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) 2679 drw 01 For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391. |
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