MC68882RC20A vs MC68882RC25A 对比
详细并排对比 MC68882RC20A 出自 Freescale Semiconductor 和 MC68882RC25A 出自 NXP Semiconductors。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Freescale Semiconductor
MC68882RC20A - 32-Bit FPU Co-Processor 20MHz PGA-68 | Freescale
MC68882RC20A Obsolete规格对比
| 参数 | MC68882RC20A | MC68882RC25A |
|---|---|---|
| 品牌 | Freescale Semiconductor | NXP Semiconductors |
| 分类 | DSP | Specialized ICs |
| 生命周期状态 | Obsolete | 最后采购期 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $88.40 | $59.50 |
| Function Type | Floating-Point Co-Processor (FPU) | — |
| 数据总线宽度 | 32 bit | — |
| 最大时钟频率 | 20 MHz | 25 MHz |
| Floating-Point Performance | 46 MIPS | — |
| Package Type | 68-pin PGA (26.92 x 26.92 mm) | — |
| 安装类型 | Through-Hole (PGA socket) | Through-Hole (Pin Grid Array) |
| 电源电压 | 5 V | 5 V |
| 工作温度 | 0 C to +70 C | [DATA_NEEDED: operating temperature range] |
| IEEE 754 Compliance | Yes (single and double precision) | — |
| Register File | 8 x 80-bit floating-point registers | — |
| Data Registers | 8 x 32-bit | — |
| Instruction Set Compatibility | MC68881 / MC68882 | — |
| Bus Interface | Asynchronous, 68020-compatible | — |
| Transcendental Support | Yes (sin, cos, tan, log, exp, sqrt) | — |
| Process Technology | HCMOS III | HCMOS |
| Processor Type | — | Floating-Point Coprocessor (FPU) |
| Host MPU Family | — | Motorola MC68020 / MC68030 |
| 封装 / 外壳 | — | 68-BCPGA (PGA, 26.92 x 26.92 mm) |
| Floating-Point Standard | — | ANSI / IEEE Std 754-1985 |
| Supported Precision | — | Single, Double, Extended (80-bit) |
| Floating-Point Registers | — | 8 x 80-bit |
| Instruction Pipeline | — | 8 stages |
| Hardware Square Root | — | Yes (single and double precision) |
| Lead Free | — | Yes |
| RoHS 状态 | — | Compliant |
| Packaging | — | Tray |