557 vs K4S510432D-UC75T00 比較
詳細並排比較 557 由 Keystone Electronics 與 K4S510432D-UC75T00 由 Samsung Electronics. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況,以找出最符合您設計需求的元件。
Samsung Electronics
K4S510432D-UC75T00 - 512Mb SDRAM 133MHz TSOP II | Samsung
K4S510432D-UC75T00 ✗ 停產規格比較
| 參數 | 557 | K4S510432D-UC75T00 |
|---|---|---|
| 品牌 | Keystone Electronics | Samsung Electronics |
| 類別 | Battery Holders | Memory ICs |
| 生命週期狀態 | 啟用中 | 停產終止 |
| Manufacturer | Keystone Electronics | — |
| Part Number | 557 | — |
| Product Type | Battery Holder, Multiple Cell | — |
| Supported Cell Sizes | A, AA, CR2 | — |
| 安裝方式 | 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 | — |
| 工作溫度 | [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 狀態 | Compliant | Compliant |
| Lead Free | Yes (per DigiKey listing) | — |
| MSL 等級 | [DATA_NEEDED: per Keystone datasheet] | — |
| 記憶體類型 | — | SDRAM - Synchronous DRAM |
| 記憶體容量 | — | 512 Mbit |
| 組織 | — | 128M x 4 |
| Clock Frequency | — | 133 MHz |
| Access Time | — | 65 ns |
| CAS 延遲 | — | 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 |
| 封裝 | — | 54-TSOP II |
| 安裝類型 | — | Surface Mount |
| Technology | — | CMOS, D-die generation |