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製品の説明
Smart Watch ROM
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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 |
代替製品
| 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. |
製品の使用
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.
グローバル物流国リスト (グローバルぶつりゅうこくリスト)
| 国旗 | 国名 | 配達予定時間 | 最低初重量費用 | ||
|---|---|---|---|---|---|
| 速達 | 通常輸送 | 速達 (0.5kg) | 通常輸送 (0.05kg) | ||
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DS1216E
DS1216Eには世界中にいくつかのブランドがあり、地域の違いや買収によりDS1216Eの別名が付けられる場合があります。 DS1216Eは次の名前でも知られています。
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在庫状態: 5000
最小数量: 1
合計額:
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速達: 到着予定日 {0}
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