| 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 |