MC68882RC20A vs MC68882RC40A 对比
详细并排对比 MC68882RC20A 出自 Freescale Semiconductor 和 MC68882RC40A 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 ObsoleteNXP Semiconductors
MC68882RC40A - 40MHz 32-Bit FP Co-Processor 68-PGA | NXP Freescale
MC68882RC40A Obsolete规格对比
| 参数 | MC68882RC20A | MC68882RC40A |
|---|---|---|
| 品牌 | Freescale Semiconductor | NXP Semiconductors |
| 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 | $89.00 |
| Function Type | Floating-Point Co-Processor (FPU) | — |
| 数据总线宽度 | 32 bit | 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) | Pin Grid Array (PGA) |
| 安装类型 | Through-Hole (PGA socket) | Through-hole (PGA socket) |
| 电源电压 | 5 V | [DATA_NEEDED: VCC value] |
| 工作温度 | 0 C to +70 C | [DATA_NEEDED: 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 | — |
| 功能 | — | Floating-Point Coprocessor |
| 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 |
| Power Dissipation | — | [DATA_NEEDED: typical power value] |
| Package Pin Count | — | 68 pins |
| Package Dimensions | — | 26.92 x 26.92 mm |
| RoHS 状态 | — | unknown |