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ILS1-67204L-55 PDF预览

ILS1-67204L-55

更新时间: 2024-11-16 19:25:35
品牌 Logo 应用领域
爱特美尔 - ATMEL 时钟先进先出芯片内存集成电路
页数 文件大小 规格书
16页 145K
描述
FIFO, 4KX9, 55ns, Asynchronous, CMOS, PQCC32, PLASTIC, LCC-32

ILS1-67204L-55 数据手册

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MATRA MHS  
L 67203/L 67204  
2K × 9 & 4K × 9 / 3.3 Volts CMOS Parallel FIFO  
Introduction  
The L67203/204 implement a first-in first-out algorithm, Using an array of eigh transistors (8 T) memory cell and  
featuring asynchronous read/write operations. The FULL fabricated with the state of the art 1.0 µm lithography  
and EMPTY flags prevent data overflow and underflow. named SCMOS, the L 67203/204 combine an extremely  
The Expansion logic allows unlimited expansion in word low standby supply current (typ = 1.0 µA) with a fast  
size and depth with no timing penalties. Twin address access time at 55 ns over the full temperature range. All  
pointers automatically generate internal read and write versions offer battery backup data retention capability  
addresses, and no external address information are with a typical power consumption at less than 5 µW.  
required for the MHS FIFOs. Address pointers are  
For military/space applications that demand superior  
automatically incremented with the write pin and read  
levels of performance and reliability the L 67203/204 is  
pin. The 9 bits wide data are used in data communications  
processed according to the methods of the latest revision  
applications where a parity bit for error checking is  
of the MIL STD 883 (class B or S) and/or ESA SCC 9000.  
necessary. The Retransmit pin resets the Read pointer to  
zero without affecting the write pointer. This is very  
useful for retransmitting data when an error is detected in  
the system.  
Features  
D First-in first-out dual port memory  
D Single supply 3.3 ± 0.3 volts  
D 2048 × 9 organisation (L 67203)  
D 4096 × 9 organisation (L 67204)  
D Fast access time  
D Fully expandable by word width or depth  
D Asynchronous read/write operations  
D Empty, full and half flags in single device mode  
D Retransmit capability  
D Bi-directional applications  
Commercial, industrial automotive and military :  
55, 60, 65 ns  
D Battery back-up operation 2 V data retention  
D TTL compatible  
D Wide temperature range : – 55 °C to + 125 °C  
D High performance SCMOS technology  
D 67203L/204L low power  
67203V/204V very low power  
Rev. C (10/11/94)  
1

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