557 vs K4S510432D-UC75T00 对比
详细并排对比 557 出自 Keystone Electronics 和 K4S510432D-UC75T00 出自 Samsung Electronics。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。
Samsung Electronics
K4S510432D-UC75T00 - 512Mb SDRAM 133MHz TSOP II | Samsung
K4S510432D-UC75T00 ✗ 停产规格对比
| 参数 | 557 | K4S510432D-UC75T00 |
|---|---|---|
| 品牌 | Keystone Electronics | Samsung Electronics |
| 分类 | Battery Holders | Memory ICs |
| 生命周期状态 | 有效 | 停产 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.59 | $3.20 |
| Manufacturer | Keystone Electronics | — |
| Part Number | 557 | — |
| Product Type | Battery Holder, Multiple Cell | — |
| Supported Cell Sizes | A, AA, CR2 | — |
| 安装方式 | Surface Mount (SMD/SMT) | — |
| Termination Style | SMD Tab | — |
| Number of Cells | 1 (single cell, multi-size) | — |
| Cell Orientation | [DATA_NEEDED: vertical or horizontal] | — |
| Contact Material | [DATA_NEEDED: spring alloy] | — |
| Housing Material | Thermoplastic | — |
| 工作温度 | [DATA_NEEDED: min/max] | [DATA_NEEDED: operating temperature range] |
| Current Rating | [DATA_NEEDED: continuous A] | — |
| Contact Resistance | [DATA_NEEDED: milliohm] | — |
| Packaging | Tape and Reel (tab format) | — |
| RoHS 状态 | Compliant | Compliant |
| Lead Free | Yes (per DigiKey listing) | — |
| MSL 等级 | [DATA_NEEDED: per Keystone datasheet] | — |
| 存储器类型 | — | SDRAM - Synchronous DRAM |
| 存储容量 | — | 512 Mbit |
| 存储组织 | — | 128M x 4 |
| Clock Frequency | — | 133 MHz |
| Access Time | — | 65 ns |
| CAS 延迟 | — | 3 (at 133 MHz) |
| Supply Voltage Range | — | 3.0 V to 3.6 V |
| I/O Interface | — | LVTTL |
| Bank Architecture | — | 4 banks |
| Burst Length | — | 1, 2, 4, 8, full page |
| Refresh | — | Auto-refresh and self-refresh |
| 封装 | — | 54-TSOP II |
| 安装类型 | — | Surface Mount |
| Technology | — | CMOS, D-die generation |