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Real Time Clock Parallel 8Kbyte Clock/Calendar/NV Timekeeping RAM/Battery Backup 28-Pin PCDIP Tube
PDIP-28Manufacturer:
Mfr.Part #:
M48T08-150PC1
Datasheet:
Series:
Timekeeper®
Programmable:
Not Verified
Type:
Clock/Calendar
Features:
Leap Year, Watchdog Timer
EDA/CAD Models:
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The M48T08/18/08Y TIMEKEEPER?RAM is an 8 K x 8 non-volatile static RAM and real-time clock which is pin and function compatible with the DS1643. The monolithic chip is available in two special packages to provide a highly integrated battery-backed memory and real-time clock solution.The M48T08/18/08Y is a non-volatile pin and function equivalent to any JEDEC standard 8 K 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 WRITEs that can be performed.The 28-pin, 600 mil DIP CAPHAT? houses the M48T08/18/08Y silicon with a quartz crystal and a long-life lithium button cell in a single package.The 28-pin, 330 mil SOIC provides sockets with gold-plated contacts at both ends for direct connection to a separate SNAPHAT?housing containing the battery and crystal. The unique design allows the SNAPHAT?battery package to be mounted on top of the SOIC package after the completion of the surface mount process. Insertion of the SNAPHAT?housing after reflow prevents potential battery and crystal damage due to the high temperatures required for device surface-mounting. The SNAPHAT?housing is keyed to prevent reverse insertion.The SOIC and battery/crystal packages are shipped separately in plastic anti-static tubes or in tape & reel form. For the 28-lead SOIC, the battery/crystal package (e.g., SNAPHAT?) part number is “M4T28-BR12SH” or “M4T32-BR12SH”.
Category | Integrated Circuits (ICs)Clock/TimingReal Time Clocks | Series | Timekeeper® |
Programmable | Not Verified | Type | Clock/Calendar |
Features | Leap Year, Watchdog Timer | Memory Size | - |
Time Format | HH:MM:SS (24 hr) | Date Format | YY-MM-DD-dd |
Interface | Parallel | Voltage - Supply | 4.75V ~ 5.5V |
Voltage - Supply, Battery | - | Current - Timekeeping (Max) | 3mA @ 4.7V ~ 5.5V |
Operating Temperature | 0°C ~ 70°C | Mounting Type | Through Hole |
Base Product Number | M48T08 | Product Category | Real Time Clock |
Mounting Style | Through Hole | RTC Bus Interface | Parallel |
Battery Backup Switching | Integrated Battery | RTC Memory Size | 8 kB |
Supply Voltage - Max | 5.5 V | Supply Voltage - Min | 4.75 V |
Minimum Operating Temperature | 0 C | Maximum Operating Temperature | + 70 C |
Function | Calendar, Clock, NV Timekeeping RAM | Product Type | Real Time Clocks |
Factory Pack Quantity | 240 | Subcategory | Clock & Timer ICs |
Unit Weight | 0.147798 oz |
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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
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The prices below are for reference only.
All bill of materials (BOM) can be sent via email to
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or fill below form to Quote for M48T08-150PC1, guaranteed quotes back within
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Thank you for sending. I haven't test it.