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M48T12 semiconductor Series
Non-volatile RAM with real-time clock and calendar functionality
The M48T12 from STMicroelectronics is a non-volatile RAM integrated circuit that includes a real-time clock (RTC) and calendar functionality. This combination makes it a go-to choice for embedded systems that require persistent memory and timekeeping capabilities without the need for external components. If you're working on battery-powered devices, such as medical equipment, industrial controllers, or portable consumer electronics, the M48T12 can significantly streamline your design process by consolidating multiple functions into a single chip.
One thing worth noting is its low power consumption, which is crucial for extending battery life in portable devices. Engineers tend to reach for this when they need a compact solution that can handle both data storage and timekeeping, especially in environments where space is at a premium. Another practical benefit is its ability to maintain the current date and time even when the system is powered off, thanks to its internal lithium battery backup. This feature ensures that critical data and timestamps remain accurate, which is essential for logging and tracking purposes in various applications.
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M48T12 semiconductor - Part List
7 parts in total| Mfr Part # | Quantity Available | Price | Category | Standard Package | RoHS | Interface | Voltage - Supply | Packaging | Mounting Type | Package / Case | Supplier Device Package | Type | Features | Date Format | Time Format | Operating Temperature | Product Category | Factory Pack Quantity | Standard Package Name | EU RoHS | Memory | RAM Size | Voltage Rating | Voltage - Supply (Min) | Mounting Style | Package Quantity | Number of Positions | Function | Battery Series | Bus Connection | Other Names | Package Cooled | Mechanical Life | SVHC | Tariff No | Rad Hardened | Access Time | Memory Size | Memory Type | Voltage - Input (Min) | Common Mode Transient Immunity (Min) | Weight | Number of Pins | Material Finish | DELETED | Density | Base Unit | Manufacturer | Temperature Range | Operating Temperature - Junction | Width | MOQ | Unit Pack | Automotive | Leadfree Defin | Clock Frequency | Number of Cells | Number of Outputs | Termination | Spg | Matchcode | Number of Units | Standard Leadtime | Memory Organization | Maximum Temperature Limit | Thermal Resistance @ Natural | Part Status | Reset Time | Current - Bias | Voltage - VCCB | Data Converters | Current - Leakage | Voltage - Output 4 | Capacitance - Input | Capacitance @ Vr, F | Rise / Fall Time (Typ) | Power Dissipation (Max) | Switch Time (Ton, Toff) (Max) | Length - Overall | Shell Size - Insert | Printed Circuit Board | Height | Length | Size / Dimension | Programmable Features |
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M48T12-70PC1 Real Time Clock Parallel 2KByte 24-Pin PCDIP Tube TIMEKEEPER SRAM 2KX8 70NS DIP24 IC TIMEKPR NVRAM 16KBIT 5V 24-DI Real Time Clock 16K (2Kx8) 70ns IC, SRAM TIMEKEEPER 16K, PCDIP24 Memory; NV SRAM; 2kx8bit; 4.5÷5.5V; 70ns; DIP24 NV-RAM 2 k x 8 Bit PCDIP-24, M48T12-70PC1, ST 实时时钟 (RTC), 计时器 SRAM功能, 16kbit RAM, 4.5 → 5.5 V电源, 24针 PCDIP封装 stmicroelectronics | 10 | 1: ¥108.34 | - | Rail / Tube | Lead free / RoHS Compliant | Parallel | 5 V | Tube | Through Hole | 24PCDIP | 24-PCDIP, CAPHAT® | TIMEKEEPER | Leap Year | DW:DM:M:Y | HH:MM:SS | 0 to 70 °C | Real Time Clock | 14 | CDIP | Compliant | 8 KB | 2048 byte | 4.5 | 4.5 V | Through Hole | PCDIP | 24 | Clock/Calendar/NV Timekeeping RAM/Battery Backup | Yes | Parallel | - | PCDIP | - | :No SVHC (20-Jun-2013) | 85423245 | No | 70ns | 16kbit | NV SRAM | 5.5V | Commercial | 0.004 | :24 | :- | Compliant | 16Kbit | :48 | 2Kx8 | :Commercial | 70C | - | 14 | 14 | NO | RoHS-conform | :32.768kHz | 1 | :8 | :Through Hole | 14 | M48T12-70PC1 | 1 | 27 weeks | 2kx8bit | 70°C | 0°C | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
M48T129V-85PM1 Real Time Clock 1M (128Kx8) 85ns Real Time Clock Parallel 128KByte 32-Pin PMDIP IC TIMEKPR NVRAM 1MBIT 3V 32-DIP STMicroelectronics | 10 | 1: ¥248.07 | - | 12 | RoHS Compliant | Parallel | 4.5 V to 5.5 V | Tube | Through Hole | PDIP-32 | 32-PMDIP | Clock/Calendar | Alarm, Leap Year, Watchdog Timer | DW:DM:M:Y | HH:MM:SS | + 70 C | Real Time Clock | 12 | PDIP | Compliant | 1 MB | 131072 | 3 | 3.6 | Through Hole | PMDIP | 32 | Clock, Calendar, NV Timekeeping, Watchdog Timer | Yes | Parallel | 497-2835-5 | - | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
M48T129Y-70PM1 Real Time Clock 1M (128Kx8) 70ns Real Time Clock Parallel 128KByte 32-Pin PMDIP IC TIMEKPR NVRAM 1MBIT 5V 32-DIP STMicroelectronics | 10 | 1: ¥176.80 | - | 12 | RoHS Compliant | Parallel | 4.5 V to 5.5 V | Tube | Through Hole | PDIP-32 | 32-PMDIP | Clock/Calendar | Alarm, Leap Year, Watchdog Timer | DW:DM:M:Y | HH:MM:SS | + 70 C | Real Time Clock | 12 | PDIP | Compliant | 1 MB | 131072 | 4.5 | 5.5 | Through Hole | PMDIP | 32 | Clock, Calendar, NV Timekeeping, Watchdog Timer | Yes | Parallel | 497-2836-5 | - | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 15 | 1: ¥125.188 | - | 14 | RoHS Compliant | Parallel | 5.5 V | Tube | Through Hole | PCDIP-24 | 24-PCDIP, CAPHAT® | Clock/Calendar | Leap Year | YY-MM-DD-dd | HH:MM:SS | + 70 C | Real Time Clock | 14 | - | - | 2048 B | - | - | - | Through Hole | - | - | Clock, Calendar, NV Timekeeping RAM | Yes | - | 497-2832-5 | - | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
M48T12-150PC1 Real Time Clock Parallel 2KByte 24-Pin PCDIP Tube IC TIMEKPR NVRAM 16KBIT 5V 24-DI Memory; Non Volatile RAM; 16 Kbit SRAM; 4.75 to 5.5V; 150; PCDIP24; 3mA Standby Real Time Clock 16K (2Kx8) 150ns SRAM TIMEKEEPER 16K, 48T12, DIP24 Memory,NonVolatileRAM;16KbitSRAM;4.75to5.5V;150;PCDIP24;3mAStandby IC RTC CLK/CALENDAR PAR 24-DI NV-RAM 2 k x 8 Bit PCDIP-24, M48T12-150PC1, ST 实时时钟 (RTC), 计时器 SRAM功能, 16kbit RAM, 4.5 → 5.5 V电源, 24针 PCDIP封装 stmicroelectronics | 555 | 1: ¥288.592 | - | Rail / Tube | Lead free / RoHS Compliant | Parallel | 5 V | Tube | Through Hole | 24PCDIP | 24-PCDIP, CAPHAT® | Clock/Calendar | Leap Year | DW:DM:M:Y | HH:MM:SS | 0 to 70 °C | Real Time Clock | 14 | CDIP | Compliant | 8 KB | 2048 byte | 4.5 | 4.5 V | Through Hole | PCDIP | 24 | Clock/Calendar/NV Timekeeping RAM/Battery Backup | Yes | Parallel | - | PCDIP | - | :No SVHC (20-Jun-2013) | 85423245 | No | :150ns | :16Kbit | :NVRAM | 4.8to5.8V | Commercial | 0.000001 | :24 | :- | Compliant | 16K | :48 | 2K×8 | :Commercial | 70C | 18.34(Max) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | :48T12 | :10Yr | 80mA | :5V | 10yrs. | ±1μA | 0.4V | 10pF | 10pF | ≤5ns | 1W | ≤5ns | 34.8(Max) | 8.89(Max) | 24 | - | - | - | - |
M48T128Y-70PM1 Real Time Clock Parallel 128KByte 32-Pin PMDIP Tube IC TIMEKPR NVRAM 1MBIT 5V 32-DIP M48T128Y-70PM1, Real Time Clock, Battery Backup, Calendar, Clock, 131072B RAM, Parallel, 5V, 32-Pin PMDIP STMicroelectronics | 10 | 1: ¥256.07 | - | 12 | Lead free / RoHS Compliant | Parallel | 4.5 V ~ 5.5 V | Tube | Through Hole | 32-DIP Module (0.600", 15.24mm) | 32-PMDIP | Clock/Calendar | Leap Year | DW:DM:M:Y | HH:MM:SS | 0°C ~ 70°C | - | - | PDIP | Compliant | - | 131072B | 4.5 V | 5.5 V | - | PMDIP | 32 | - | - | Parallel | 497-2834-5 | PMDIP | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 18.8mm | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 9.52mm | 43.18mm | 43.18 x 18.8 x 9.52mm | Battery Backup, Calendar, Chip Deselect, Clock, Switch Over, Write Protection |
| 10 | 1: ¥256.07 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |


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