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部品型式

723651-L15PF

製品説明
仕様・特性

CMOS SyncFIFO™ 512 x 36 1,024 x 36 2,048 x 36 FEATURES: • • • • • • • • • • • Storage capacity: IDT723631 - 512 x 36 IDT723641 - 1,024 x 36 IDT723651 - 2,048 x 36 Supports clock frequencies up to 67 MHz Fast access times of 11ns Free-running CLKA and CLKB can be asynchronous or coincident (permits simultaneous reading and writing of data on a single clock edge) Clocked FIFO buffering data from Port A to Port B Synchronous read retransmit capability Mailbox register in each direction Programmable Almost-Full and Almost-Empty flags Microprocessor interface control logic Input Ready (IR) and Almost-Full (AF) flags synchronized by CLKA • • • IDT723631 IDT723641 IDT723651 Output Ready (OR) and Almost-Empty (AE) flags synchronized by CLKB Available in 132-pin plastic quad flat package (PQFP) or spacesaving 120-pin thin quad flat package (TQFP) Industrial temperature range (–40°C to +85°C) is available Green parts available, see ordering information DESCRIPTION: The IDT723631/723641/723651 is a monolithic high-speed, low-power, CMOS clocked FIFO memory. It supports clock frequencies up to 67 MHz and has read access times as fast as 12ns. The 512/1,024/2,048 x 36 dual-port SRAM FIFO buffers data from port A to Port B. The FIFO memory has retransmit capability, which allows previously read data to be accessed again. The FIFO has flags to indicate empty and full conditions and two programmable flags (Almost-Full and Almost-Empty) to indicate when a selected number of words is stored in memory. Communication between each port may take place with two 36-bit mailbox registers. Each mailbox FUNCTIONAL BLOCK DIAGRAM MBF1 RAM ARRAY 512 x 36 1,024 x 36 2,048 x 36 Reset Logic 36 Write Pointer A0 - A35 Read Pointer IR AF Status Flag Logic FS0/SD FS1/SEN Sync Retransmit Logic RST Input Register Port-A Control Logic Output Register Mail 1 Register CLKA CSA W/RA ENA MBA RTM RFM B0 - B35 Flag Offset Registers 10 Mail 2 Register OR AE Port-B Control Logic CLKB CSB W/RB ENB MBB 3023 drw01 MBF2 IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc. The SyncFIFO is a trademark of Integrated Device Technology, Inc. COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES FEBRUARY 2009 1 ©2009 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. DSC-2023/7 IDT723631/723641/723651 CMOS SyncFIFO™ 512 x 36, 1,024 x 36 and 2,048 x 36 COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 GND CLKA ENA W/RA CSA IR OR VCC AF AE VCC MBF2 MBA RST GND FS0/SD FS1/SEN RTM RFM VCC NC MBB GND MBF1 GND CSB W/RB ENB CLKB VCC PIN CONFIGURATION (CONTINUED) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 B35 B34 B33 B32 GND B31 B30 B29 B28 B27 B26 VCC B25 B24 GND B23 B22 B21 B20 B19 B18 GND B17 B16 VCC B15 B14 B13 B12 GND GND A11 A10 A9 A8 A7 A6 GND A5 A4 A3 VCC A2 A1 A0 GND B0 B1 B2 B3 B4 B5 GND B6 VCC B7 B8 B9 B10 B11 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 A35 A34 A33 A32 VCC A31 A30 GND A29 A28 A27 A26 A25 A24 A23 GND A22 VCC A21 A20 A19 A18 GND A17 A16 A15 A14 A13 VCC A12 3023 drw03 TQFP (PN120-1, ORDER CODE: PF) TOP VIEW NOTE: 1. NC – No Connection 3

ブランド

IDT

会社名

Integrated Device Technology, Inc.

本社国名

U.S.A

事業概要

通信・コンピュータ・一般向け機器などで使用する低消費電力で高性能なアナログ-デジタル混在半導体部品の設計と製造を行っている。主にOEM製品を扱っている。 RF(無線)、高性能タイミング、メモリーインタフェース、リアルタイムインターコネクト、オプティカルインターコネクト、ワイヤレス給電、スマートセンサーを製造するメーカー

供給状況

 
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