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MAS281CL PDF预览

MAS281CL

更新时间: 2024-11-21 13:10:19
品牌 Logo 应用领域
DYNEX 微处理器计算机
页数 文件大小 规格书
55页 552K
描述
Microprocessor, 16-Bit, CMOS

MAS281CL 技术参数

生命周期:Obsolete包装说明:,
Reach Compliance Code:unknownECCN代码:3A001.A.2.C
HTS代码:8542.31.00.01风险等级:5.78
其他特性:INTERNAL FOUR BUS DATA PATH; BARREL SHIFTER; MIL-STD-1750A INSTRUCTION SET ARCHITECTURE地址总线宽度:16
位大小:16边界扫描:NO
最大时钟频率:20 MHz外部数据总线宽度:16
格式:FIXED POINT集成缓存:NO
JESD-30 代码:R-XDMA-T64低功率模式:YES
DMA 通道数量:外部中断装置数量:6
串行 I/O 数:端子数量:64
片上数据RAM宽度:最高工作温度:125 °C
最低工作温度:-55 °C封装主体材料:UNSPECIFIED
封装形状:RECTANGULAR封装形式:MICROELECTRONIC ASSEMBLY
认证状态:Not QualifiedRAM(字数):0
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V表面贴装:NO
技术:CMOS温度等级:MILITARY
端子形式:THROUGH-HOLE端子位置:DUAL
uPs/uCs/外围集成电路类型:MICROPROCESSORBase Number Matches:1

MAS281CL 数据手册

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MAS281  
MIL-STD-1750A Microprocessor  
Replaces June 1999 version, DS3563-4.0  
DS3563-5.0 January 2000  
The MAS281 Microprocessor is a MIL-STD-1750A (Notice  
1), 16-bit Central Processing Unit (CPU). It consists of three  
CMOS/SOS large-scale integration (LSI) chips: the MA17501  
Execution Unit (EU), the MA17502 Control Unit (CU), and the  
MA17503 Interrupt Unit (IU). These three units can be  
mounted on, and interconnected within a 64-pin ceramic  
substrate. The microprocessor is also available as a 3-chip set  
without the ceramic substrate (see ordering information on  
page 55).  
BLOCK DIAGRAM  
The MAS281 is optimised for real-time l/O and arithmetic  
intensive operations. Key performance-enhancing features  
include a parallel multiplier/accumulator, 32-bit barrel shifter,  
instruction pre-fetch queue, and multiport register file.  
Additional features include a comprehensive Built-ln-Test  
(BIT), interval timers A and B, trigger-go counter, and Start-Up  
ROM interface.  
In accordance with MIL-STD-1750A, the MAS281  
supports a 64K-word address space. An optional BMA31751  
Memory Management Unit/Block Protect Unit (MMU(BPU))  
chip may be added externally to expand this address space to  
1M-words or add a 1K-word memory block protection  
capability,  
The MAS281 is offered in several screening grades which  
are described in this document. For availability of speed  
grades, please contact Dynex Semiconductor.  
FEATURES  
MIL-STD-1750A 16-Bit Microprocessor  
Full Performance over Military Temperature Range  
(-55°C to + 125°C)  
Radiation Hard CMOS/SOS Technology  
Performance Optimised Architecture  
- Parallel Multiplier/Accumulator  
- 32-bit Barrel Shifter  
- Instruction Pre-Fetch  
- Multi-Port Register File  
Implements MlL-STD-1750AOptions  
- Timers A and B  
- Trigger-Go Counter  
- Start-Up ROM Interface  
64 K-word Address Space Expandable to 1 M-word with  
Optional MMU  
1/55  

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