一般信息 |
类型 |
CPU / Microprocessor |
系列 |
Intel 80486 |
CPU 编号 |
- A80486SX-25 is an OEM/tray microprocessor
|
频率 |
25 MHz |
总线速度 |
25 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-25, ODPR486SX-25, SX2ODP50, SX2ODPR50, DX2ODP50 or DX2ODP50 to upgrade to 50 MHz
- Use Intel DX4ODP75 or DX4ODPR75 to upgrade to 75 MHz
- Use Intel PODP5V63 to upgrade to Pentium 63 MHz
- See 80486 upgrade matrix for more information.
|
S规格号 |
部件号 |
ES/QS处理器 |
生产处理器 |
|
Q0152 |
Q0186 |
SX411 |
SX468 |
SX514 |
SX679 |
SX693 |
SX719 |
A80486SX-25 |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
|
部件号 |
生产处理器 |
|
SX790 |
SX798 |
SX826 |
SX838 |
SX846 |
SX903 |
SX930 |
A80486SX-25 |
+ |
+ |
+ |
+ |
+ |
+ |
+ | |
架构 / 微体系结构 |
微体系结构 |
i486 |
CPUIDs |
420 (SX411, SX468) 422 (SX679, SX826) 423 (SX798, SX903) 42A (SX790) |
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 |
低功耗特性 |
- Stop Clock state (SL enhanced version only)
- Stop Grant state (SL enhanced version only)
- Stop Clock Snoop state (SL enhanced version only)
- Auto Halt state (SL enhanced version only)
- Upgrade Power Down mode (SL enhanced version only)
|
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 |
Minimum/Typical/Maximum power dissipation |
0.33 Watt (Stop Grant mode) / 1.89 Watt / 2.94 Watt |
Notes on Intel 25 MHz |
- Newer versions of the processor incorporate SL technology.
|