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Description
Smart Watch ROM
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The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
DS1216E
Brand:DALLAS
Features
-Keeps track of hundredths of seconds,
seconds, minutes, hours, days, date of the
month, months, and years
-Converts standard 2k x 8 up to 512k x 8
CMOS static RAMs into nonvolatile memory
-Embedded lithium energy cell maintains
watch information and retains RAM data
-Watch function is transparent to RAM
operation
-Month and year determine the number of days
in each month; leap-year compensation valid
up to 2100
-Lithium energy source is electrically
disconnected to retain freshness until power is
applied for the first time
-Proven gas-tight socket contacts
-Full 10% operating range
-Operating temperature range: 0C to +70C
-Accuracy is better than 1 minute/month @
+25oC
ORDERING Information
DS1216B, DS1216C, DS1216D, DS1216E,
DS1216F, DS1216H (See Figure 2 for letter suffix
marking identification.)
Pin Description
RST - Reset
DQ0 - Data Input/Output 0 [RAM]
A2 - Address Bit 2 (Read/Write [ROM])
A0 - Address Bit 0 (Data Input [ROM])
GND - Ground
CE - Conditioned Chip Enable
OE - Output Enable
WE - Write Enable
Vcc - Switched VCC for 28-/32-Pin RAM
VCCB - Switched VCC for 24-Pin RAM
VCCD - Switched VCC for 28-Ppin RAM
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $13.69170 | US $12.32253 | US $12.32253 |
| ≥5: | US $12.93105 | US $11.63794 | US $58.18970 |
| ≥10: | US $12.55072 | US $11.29565 | US $112.95650 |
| ≥20: | US $12.17040 | US $10.95336 | US $219.06720 |
| ≥50: | US $11.79008 | US $10.61107 | US $530.55350 |
| ≥100: | US $11.63794 | US $10.47415 | US $1047.41500 |
| ≥200: | US $11.40975 | US $10.26878 | US $2053.75600 |
| ≥500: | US $11.25762 | US $10.13186 | US $5065.93000 |
| ≥1000: | US $11.02942 | US $9.92648 | US $9926.48000 |
Substitute (equivalent) Product
| Substitute Product | Description |
|---|---|
| DS164X-120 | Timekeeping RAM integrated circuit with similar functionality to DS1216E for real-time clock and memory applications. |
| M48T08-150PC1 | 8K x 8 NVSRAM with an embedded lithium energy source and clock, functioning as a clock/calendar and non-volatile memory. |
| M48T35AY-85PM1 | 64K x 8 NVRAM with embedded lithium cell and an accurate and real-time clock, suitable as a substitute for DS1216E. |
| DS1245Y-120 | 1024K Non-volatile SRAM integrated with a lithium energy source and clock. Ideal for applications needing continuous battery backup. |
| DS1307ZN+ | Real-time clock (RTC) with 56 bytes of non-volatile RAM. It operates via an I2C interface, providing a practical alternative to DS1216E. |
Product Usage
The DS1216E is a smart timekeeper RAM, Real-Time Clock (RTC) module produced by Dallas Semiconductor (now part of Maxim Integrated). It combines non-volatile memory with a clock/calendar function, making it suitable for various applications that require both timekeeping and data storage. Here are a few types of circuits and applications where the DS1216E might be used:
Embedded Systems: The DS1216E can provide clock and calendar functionality to embedded systems. These systems often require accurate timekeeping for scheduling tasks, logging events, or triggering timed processes.
Computers and Microcontrollers: In computer systems, particularly older ones or specific industrial computers, the DS1216E can serve as a clock and non-volatile storage for configuration settings, system logs, or other time-sensitive data.
Industrial Automation: In industrial automation systems, accurate timing is essential for coordinating operations, logging important events, and ensuring synchronized actions. The DS1216E can provide a reliable RTC function in these environments.
Telemetry and Data Acquisition Systems: These systems often gather data over time and require timestamps for each data point. The DS1216E can ensure that each piece of data is accurately time-stamped.
Security Systems: Security systems, including alarm systems and access control systems, often need to log events with precise timestamps. The DS1216E provides the necessary timekeeping functionality.
Networking Equipment: Network devices such as routers and switches may use the DS1216E to keep track of logs and events, ensuring accurate timestamps for network management and troubleshooting.
Backup and Recovery Systems: Systems that manage backups and recovery operations can use the DS1216E to timestamp backups and maintain logs, helping in managing versions and ensuring data integrity.
Wearable Devices: Some older or specialized wearable devices might use the DS1216E for maintaining accurate time and for storing configuration data or logs.
Consumer Electronics: Certain consumer electronics like older personal organizers, electronic dictionaries, or some financial calculators might incorporate the DS1216E for timekeeping and data retention.
Scientific Instruments: Instruments used in labs for measuring and logging data often require accurate timekeeping to ensure data correlation, making the DS1216E a useful component.
When designing circuits or selecting components for any application requiring timekeeping and non-volatile storage, the DS1216E offers a compact and integrated solution. However, for modern applications, more recent RTC chips with additional features and better integration with newer technologies may be preferred.
Global Logistics Country List
| Flag | Country | Estimated Delivery Time | Minimum First Weight Cost | ||
|---|---|---|---|---|---|
| Express | Standard Shipping | Express (0.5kg) | Standard Shipping (0.05kg) | ||
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Warranty
All UTSOURCE purchases have a 90 days money back return policy, plus a 100 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
DS1216E
DS1216E has several brands around the world that may have alternate names for DS1216E due to regional differences or acquisition. DS1216E may also be known as the following names:
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