MC68882EI20A vs MC68882EI16AR 对比
详细并排对比 MC68882EI20A 出自 NXP Semiconductors 和 MC68882EI16AR 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。
规格对比
| 参数 | MC68882EI20A | MC68882EI16AR |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | Specialized ICs | Specialized ICs |
| 生命周期状态 | Obsolete | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $38.10 | $37.75 |
| 功能 | Floating-point coprocessor for MC68020/MC68030 | — |
| Operating Frequency | 20 MHz | — |
| 封装 | 68-PLCC (24.21 x 24.21 mm) | 68-pin PLCC (24.21 mm x 24.21 mm) |
| Floating-Point Formats | IEEE 754 single, double, extended (80-bit) | — |
| Data Registers | 8 x 80-bit floating-point registers | 8 x 80-bit floating-point data registers |
| Supported Operations | Add, subtract, multiply, divide, sqrt, sin, cos, log, exp, tan | — |
| Operand Types | FP, integer, BCD, packed BCD | — |
| Host Interface | M68000 Coprocessor Interface (CI) | — |
| 电源电压 | 5 V | 5 V +/- 5 % |
| 工作温度 | -40 C to +85 C | -40C to +85C (industrial grade, 'EI' suffix) |
| 安装类型 | Surface Mount (PLCC socket compatible) | Surface Mount |
| Lead-Free | [DATA_NEEDED: lead-free status] | [DATA_NEEDED: lead-free] |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance] | [DATA_NEEDED: RoHS status] |
| MSL 等级 | [DATA_NEEDED: MSL moisture sensitivity level] | [DATA_NEEDED: MSL level] |
| Manufacturing Process | [DATA_NEEDED: process node, e.g. 1.5 micron CMOS] | — |
| Part Type | — | Floating-Point Co-Processor (FPU) |
| Manufacturer | — | NXP Semiconductors (formerly Motorola/Freescale) |
| Architecture / Family | — | M68000 Co-Processor (pairs with MC68020/MC68030) |
| Clock Frequency | — | 16 MHz |
| Floating-Point Standard | — | IEEE 754-1985 (single, double, extended 80-bit) |
| Instruction Set | — | F-line M68000 co-processor interface |
| Operating Modes | — | 4 IEEE rounding modes; denormalized numbers; full exception handling |
| Process Technology | — | HCMOS |
| Speed Grade Suffix | — | I = 16 MHz |
| Temperature Grade | — | E = -40C to +85C industrial |
| Packaging Suffix | — | AR = Tape and Reel, 68-pin PLCC |