MC68882RC40A vs MC68882RC20A 对比
详细并排对比 MC68882RC40A 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。
NXP Semiconductors
MC68882RC40A - 40MHz 32-Bit FP Co-Processor 68-PGA | NXP Freescale
MC68882RC40A ObsoleteFreescale Semiconductor
MC68882RC20A - 32-Bit FPU Co-Processor 20MHz PGA-68 | Freescale
MC68882RC20A Obsolete规格对比
| 参数 | MC68882RC40A | 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） | $89.00 | $88.40 |
| 功能 | Floating-Point Coprocessor | — |
| 数据总线宽度 | 32-bit | 32 bit |
| Floating-Point Format | IEEE 754 single, double, extended (80-bit) | — |
| Performance | 46 MIPS (peak) | — |
| Clock Frequency | 40 MHz | — |
| Internal Registers | 8 x 80-bit FP registers | — |
| Instruction Set | M68000 Family Floating-Point (MFFP) | — |
| Host CPU Compatibility | MC68020, MC68030 | — |
| 电源电压 | [DATA_NEEDED: VCC value] | 5 V |
| Power Dissipation | [DATA_NEEDED: typical power value] | — |
| Package Type | Pin Grid Array (PGA) | 68-pin PGA (26.92 x 26.92 mm) |
| Package Pin Count | 68 pins | — |
| Package Dimensions | 26.92 x 26.92 mm | — |
| 安装类型 | Through-hole (PGA socket) | Through-Hole (PGA socket) |
| 工作温度 | [DATA_NEEDED: temperature range] | 0 C to +70 C |
| RoHS 状态 | unknown | — |
| Function Type | — | Floating-Point Co-Processor (FPU) |
| 最大时钟频率 | — | 20 MHz |
| Floating-Point Performance | — | 46 MIPS |
| 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 |