557 vs K4S510432D-UC75T00 Comparison
Detailed side-by-side comparison of 557 by Keystone Electronics and K4S510432D-UC75T00 by Samsung Electronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Keystone Electronics
557 - SMD Battery Holder for A/AA/CR2 Cells | Keystone Electronics
557 ✓ ActiveSamsung Electronics
K4S510432D-UC75T00 - 512Mb SDRAM 133MHz TSOP II | Samsung
K4S510432D-UC75T00 ✗ End of LifeSpecification Comparison
| Parameter | 557 | K4S510432D-UC75T00 |
|---|---|---|
| Brand | Keystone Electronics | Samsung Electronics |
| Category | Battery Holders | Memory ICs |
| Lifecycle Status | Active | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.59 | $3.20 |
| Manufacturer | Keystone Electronics | — |
| Part Number | 557 | — |
| Product Type | Battery Holder, Multiple Cell | — |
| Supported Cell Sizes | A, AA, CR2 | — |
| Mounting Style | 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 | — |
| Operating Temperature | [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 Status | Compliant | Compliant |
| Lead Free | Yes (per DigiKey listing) | — |
| MSL Level | [DATA_NEEDED: per Keystone datasheet] | — |
| Memory Type | — | SDRAM - Synchronous DRAM |
| Memory Size | — | 512 Mbit |
| Organization | — | 128M x 4 |
| Clock Frequency | — | 133 MHz |
| Access Time | — | 65 ns |
| CAS Latency | — | 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 |
| Package | — | 54-TSOP II |
| Mounting Type | — | Surface Mount |
| Technology | — | CMOS, D-die generation |