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72V3642L15PFG Datasheet(PDF) 1 Page - Integrated Device Technology |
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72V3642L15PFG Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 29 page 1 2015 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. DSC-4660/9 © FEBRUARY 2015 3.3 VOLT CMOS SyncBiFIFOTM 256 x 36 x 2 512 x 36 x 2 1,024 x 36 x 2 IDT72V3622 IDT72V3632 IDT72V3642 IDT and the IDT logo are registered trademark of Integrated Device Technology, Inc SyncBiFIFO is a trademark of Integrated Device Technology, Inc. COMMERCIAL TEMPERATURE RANGE FEATURES: ••••• Memory storage capacity: IDT72V3622 – 256 x 36 x 2 IDT72V3632 – 512 x 36 x 2 IDT72V3642 – 1,024 x 36 x 2 ••••• Supports clock frequencies up to 100 MHz ••••• Fast access times of 6.5ns ••••• Free-running CLKA and CLKB may be asynchronous or coincident (simultaneous reading and writing of data on a single clock edge is permitted) ••••• Two independent clocked FIFOs buffering data in opposite direc- tions ••••• Mailbox bypass register for each FIFO ••••• Programmable Almost-Full and Almost-Empty flags ••••• Microprocessor Interface Control Logic ••••• FFA/IRA, EFA/ORA, AEA, and AFA flags synchronized by CLKA ••••• FFB/IRB, EFB/ORB, AEB, and AFB flags synchronized by CLKB ••••• Select IDT Standard timing (using EFA, EFB, FFA and FFB flags functions) or First Word Fall Through timing (using ORA, ORB, IRA and IRB flag functions) ••••• Available space-saving 120-pin Thin Quad Flatpack (TQFP) ••••• Functionally compatible to the 5V operating IDT723622/723632/ 723642 ••••• Industrial temperature range (–40οοοοοC to +85οοοοοC) is available ••••• Green parts available, see ordering information DESCRIPTION: TheIDT72V3622/72V3632/72V3642arefunctionallycompatibleversions of the IDT723622/723632/723642, designed to run off a 3.3V supply for exceptionally low-power consumption. These devices are monolithic, high- FUNCTIONAL BLOCK DIAGRAM Mail 1 Register Programmable Flag Offset Registers RAM ARRAY 256 x 36 512 x 36 1,024 x 36 Write Pointer Read Pointer Status Flag Logic RAM ARRAY 256 x 36 512 x 36 1,024 x 36 Write Pointer Read Pointer Status Flag Logic CLKA CSA W/ RA ENA MBA Port-A Control Logic FIFO1, Mail1 Reset Logic RST1 Mail 2 Register MBF2 CLKB CSB W/RB ENB MBB Port-B Control Logic FIFO2, Mail2 Reset Logic RST2 MBF1 FIFO 1 FIFO 2 10 EFB/ORB AEB 36 36 FFB/IRB AFB B0 - B35 FFA/IRA AFA FS0 FS1 A0 - A35 EFA/ORA AEA 4660 drw 01 36 36 Timing Mode FWFT |
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