DS1225Y-200+

NVRAM NVSRAM Parallel 64Kbit 5V 28-Pin EDIP
6,002 有效庫存

DS1225Y-200+

有效庫存6,002

NVRAM NVSRAM Parallel 64Kbit 5V 28-Pin EDIP

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DS1225Y-200+ 數據表
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詳細說明

DS1225Y-200+ Description The Analog Devices DS1225AB-70IND is a 64 kbit non-volatile SRAM, organized in a 8K x 8 format. The DS1225AB-70IND has a separate lithium source and control circuitry that constantly detects VCC overcapacity. Its write cycle time is 200ns. DS1225Y-200+ Features  10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 2k x 8 volatile static RAM or EEPROM Unlimited write cycles Low-power CMOS JEDEC standard 28-pin DIP package Read and write access times of 150 ns Full ±10% operating range Optional industrial temperature range of -40°C to +85°C, designated IND DS1225Y-200+ Applications  Automotive Computers Embedded Systems

主要特徵

  • 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 2k x 8 volatile static RAM or EEPROM Unlimited write cycles Low-power CMOS JEDEC standard 28-pin DIP package Read and write access times of 150 ns Full ±10% operating range Optional industrial temperature range of -40°C to +85°C, designated IND

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Product Category ! NVRAM RoHS Details
Package / Case EDIP-28 Interface Type Parallel
Memory Size ! 64 kbit Organization 8 k x 8
Data Bus Width 8 bit Access Time 200 ns
Supply Voltage - Max 5.5 V Supply Voltage - Min 4.5 V
Operating Supply Current 75 mA Minimum Operating Temperature 0 C
Maximum Operating Temperature ! + 70 C Series DS1225Y
Brand Analog Devices / Maxim Integrated Height 9.4 mm
Length 39.12 mm Mounting Style Through Hole
Operating Supply Voltage ! 5 V Product Type ! NVRAM
Factory Pack Quantity 12 Subcategory Memory & Data Storage
Type NVSRAM Width 18.29 mm
Part # Aliases DS1225Y 90-1225Y+000 Unit Weight 1.042257 oz

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 DS1225Y-200+ PDF 下載

常見問題解答

What is DS1225Y-200+?

The DS1225Y-200+ is a non-volatile static RAM (NVSRAM) integrated circuit designed by Maxim Integrated. It combines the functions of a static RAM and a non-volatile storage array, allowing it to retain data even when power is disconnected. This makes it suitable for applications requiring persistent memory, such as industrial automation, embedded systems, and battery-backed data logging.

How Does DS1225Y-200+ Work?

The DS1225Y-200+ operates by utilizing a CMOS static RAM with a self-contained lithium energy source and control circuitry. When power is applied, data can be read from and written to the device like a standard RAM. When power is removed, the lithium energy source powers the non-volatile circuitry, preserving the data. Upon re-application of power, the data is restored for read and write operations.

How Many Pins does DS1225Y-200+ have and What are the Functions of the Pinout Configuration?

The DS1225Y-200+ is housed in a 28-pin DIP (Dual Inline Package) package. The pinout configuration includes:

  • VCC: Power supply pin.
  • GND: Ground pin.
  • CE, WE, OE: Chip enable, write enable, and output enable control pins.
  • NC: No connect pin.
  • A0-A13: Address input pins.
  • DQ0-DQ7: Data input/output pins.

What are the Pros and Cons of DS1225Y-200+?

Pros:

  • Non-Volatile Storage: Retains data without power, providing persistent memory.
  • High Reliability: The integrated lithium energy source and control circuitry ensure reliable non-volatile operation.
  • Fast Access Time: Operates as a fast static RAM for high-speed data access.
  • Ease of Integration: Can be used as a drop-in replacement for equivalent static RAMs.
  • Wide Voltage Range: Supports a wide operating voltage range for flexibility in various systems.

Cons:

  • Cost: NVSRAMs typically have a higher cost compared to standard static RAMs.
  • Complexity: Requires consideration of the non-volatile aspects during system design and testing.
  • Package Size: The 28-pin DIP package may require more board space compared to surface-mount alternatives.

Are There Any Equivalents/Alternatives to DS1225Y-200+ for Recommendation?

  • The DS1245Y-70+ from Maxim Integrated is a similar non-volatile static RAM with a different capacity and access time.
  • Alternatives to the DS1225Y-200+ include the FM18W08 from Cypress Semiconductor and the M48Z02 from STMicroelectronics.

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