一般信息 |
类型 |
CPU / Microprocessor |
系列 |
Intel 80486 |
CPU 编号 |
- A80486SX-20 is an OEM/tray microprocessor
|
频率 |
20 MHz |
总线速度 |
20 MHz |
时钟倍频器 |
1 |
封装 |
168-pin Pin Grid Array 1.75" x 1.75" (4.45 cm x 4.45 cm) |
接口 |
PGA168 |
发布时间 |
16-Sep-91 |
Upgrade options |
- Use Intel ODP486SX-20, ODPR486SX-20, SX2ODP50, SX2ODPR50, DX2ODP50 or DX2ODP50 to upgrade to 40 MHz
- Use Intel DX4ODP75 or DX4ODPR75 to upgrade to 60 MHz
- Use Intel PODP5V63 to upgrade to Pentium 50 MHz
- See 80486 upgrade matrix for more information.
|
S规格号 |
部件号 |
生产处理器 |
|
SX406 |
SX467 |
SX492 |
SX678 |
SXE63 |
A80486SX-20 |
+ |
+ |
+ |
+ |
+ | |
架构 / 微体系结构 |
微体系结构 |
i486 |
CPUID |
420 (SX406) |
数据位宽 |
32 bit |
浮点单元 |
80487SX co-processor |
1级缓存大小 |
8 KB 4-way set associative unified code and data cache |
Physical memory |
4 GB |
Virtual memory |
64 TB |
On-chip peripherals |
Memory management unit |
电/热参数 |
V核 |
5V ± 5% |
最小/最大工作温度 |
0°C - 85°C |
Typical/Maximum power dissipation |
2.25 Watt / 2.78 Watt |