MC68882RC50A vs MC68882RC20A 对比
详细并排对比 MC68882RC50A 出自 Motorola 和 MC68882RC20A 出自 Freescale Semiconductor。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 | MC68882RC50A | MC68882RC20A |
|---|---|---|
| 品牌 | Motorola | Freescale Semiconductor |
| 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） | $84.20 | $88.40 |
| Processor Type | Floating-Point Coprocessor | — |
| Operating Frequency | 50 MHz | — |
| 电源电压 | 5 V | 5 V |
| 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 | — |
| 安装类型 | Through-Hole (PGA socket recommended) | Through-Hole (PGA socket) |
| Packaging | Tray | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | 0 C to +70 C |
| Lead Free Status | Lead Free | — |
| RoHS 状态 | RoHS Compliant | — |
| 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) |
| 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 |