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M48T18-150PC1, RTC, Timekeeper NVSRAM, Parallel, 4.5 V to 5.5 V, DIP-28
Semiconductors - ICs\Clock,Timing & Frequency Management\Real Time Clocks
The M48T18-150PC1 is a TIMEKEEPER® Non-volatile Static RAM and Real-time Clock which is pin and function compatible with the DS1643. This is a non-volatile pin and function equivalent to any JEDEC standard 8K x 8 SRAM. It also easily fits into many ROM, EPROM and EEPROM sockets providing the non-volatility of PROMs without any requirement for special write timing or limitations on the number of write that can be performed.
• Integrated ultralow power SRAM, real-time clock, power-fail control circuit and battery
• BYTEWIDE™RAM-like clock access
• BCD coded year, month, day, date, hours, minutes and seconds
• Typical clock accuracy of ±1 minute a month at 25°C
• Software controlled clock calibration for high accuracy applications
• Automatic power-fail chip deselect and WRITE protection
• 150ns Speed
| No. of Pins | 28Pins |
| Operating Temperature Max | 70°C |
| Supply Voltage Max | 5.5V |
| Supply Voltage Min | 4.5V |
| Maximum Operating Supply Voltage | 5.5 V |
| Maximum Operating Temperature | +70 °C |
| Minimum Operating Supply Voltage | 4.5 V |
| Minimum Operating Temperature | 0 °C |
| Mounting Type | Through Hole |
| Number of Bits per Word | 10bit |
| Package Type | PCDIP |
| Pin Count | 28 |
| Вес, г | 23.59 |
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