نظرة عامة على المنتج
The R1LP5256ESA-5SI#B1 is a 256Kb Advanced Low-Power Static RAM (LPSRAM) from Renesas Electronics, organized as 32K x 8 bits. It operates on a single 4.5V to 5.5V supply with 55 ns access time, making it suitable for legacy 5V systems requiring battery backup. The device features TTL-compatible I/O, no clocks or refresh required, and ultra-low standby current.
المواصفات الرئيسية
| الكثافة | 256Kbit (32K x 8) |
| جهد الإمداد | 4.5V to 5.5V |
| Access Time | 55 ns |
| الواجهة | Parallel asynchronous |
| التيار الاحتياطي | Ultra-low (µA range) |
| Operating Temp | -40 درجة مئوية إلى +85 درجة مئوية |
| الحزمة | 28-TSOP I |
| حالة الجزء | Obsolete |
الميزات
- 256Kbit low-power SRAM with 32K x 8 organization
- Single 4.5V to 5.5V power supply
- No clocks, no refresh required
- All inputs and outputs TTL-compatible
- Ultra-low standby current for battery backup
- Data retention in battery-backed mode
التطبيقات
- Legacy 5V embedded systems
- Battery-backed SRAM
- التحكم الصناعي والأتمتة الصناعية
- POS terminals