MC68882EI16A vs MC68882RC20A 对比
详细并排对比 MC68882EI16A 出自 NXP Semiconductors 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 | MC68882EI16A | MC68882RC20A |
|---|---|---|
| 品牌 | NXP Semiconductors | 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） | $36.94 | $88.40 |
| Part Status | Obsolete | — |
| 功能 | Floating-Point Co-Processor | — |
| Series | MC68882 | — |
| Architecture | M68000 Family Coprocessor | — |
| Clock Speed | 16 MHz | — |
| Operating Temperature Grade | Industrial (-40C to +85C) | — |
| 安装类型 | Surface Mount | Through-Hole (PGA socket) |
| 封装 / 外壳 | 68-LCC (J-Lead), PLCC-68 | — |
| Supplier Device Package | 68-PLCC (24.21 x 24.21 mm) | — |
| Compatible Host CPUs | MC68020, MC68030, MC68040 | — |
| Floating-Point Standard | IEEE 754 (single, double, extended) | — |
| FP Data Registers | 8 (FP0-FP7) | — |
| 接口 | M68000 Coprocessor (CP) Interface | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status not in verified data] | — |
| MSL 等级 | [DATA_NEEDED: MSL level not in verified data] | — |
| 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) |
| 电源电压 | — | 5 V |
| 工作温度 | — | 0 C to +70 C |
| 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 |