MC68882RC20A vs MC68882RC50A 对比
详细并排对比 MC68882RC20A 出自 Freescale Semiconductor 和 MC68882RC50A 出自 Motorola。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 | MC68882RC50A |
|---|---|---|
| 品牌 | Freescale Semiconductor | Motorola |
| 分类 | DSP | DSP |
| 生命周期状态 | Obsolete | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $88.40 | $84.20 |
| Function Type | Floating-Point Co-Processor (FPU) | — |
| 数据总线宽度 | 32 bit | — |
| 最大时钟频率 | 20 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 (PGA socket recommended) |
| 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 | — |
| Processor Type | — | Floating-Point Coprocessor |
| Operating Frequency | — | 50 MHz |
| 封装 / 外壳 | — | 68-BCPGA (26.92 x 26.92 mm) |
| 引脚数量 | — | 68 |
| Floating-Point Standard | — | ANSI / IEEE 754-1985 |
| Supported Formats | — | Single, Double, Extended Precision (80-bit) |
| Floating-Point Registers | — | 8 x 80-bit |
| Host CPU Interface | — | M68000 Coprocessor Interface (68020 / 68030) |
| Instruction Set | — | Add, Subtract, Multiply, Divide, Square Root, Sin, Cos, Log, Exp, FP-Integer Convert |
| Packaging | — | Tray |
| Lead Free Status | — | Lead Free |
| RoHS 状态 | — | RoHS Compliant |