STK12C68-SF45I

NVSRAM (Non-Volatile SRAM) Memory IC 64Kbit Parallel 45 ns 28-SOIC
100 有效庫存

STK12C68-SF45I

有效庫存100

NVSRAM (Non-Volatile SRAM) Memory IC 64Kbit Parallel 45 ns 28-SOIC

  • 製造商零件號 # : STK12C68-SF45I

  • 包裝/封裝: SOIC-28

  • 製造商: Infineon Technologies

  • 產品分類 : Memory

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STK12C68-SF45I 數據表
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詳細說明

The Simtek STK12C68 is a 64Kb fast static RAM with a non-volatile Quantum Trap storage element included with each memory cell.The SRAM provides the fast access & cycle times, ease of use and unlimited read & write endurance of a normal SRAM.FEATURES• 25, 35, 45, 55 ns Read Access & Write Cycle Time• Unlimited Read/Write Endurance• Automatic Non-volatile STORE on Power Loss• Non-Volatile STORE Under Hardware or Software Control• Automatic RECALL to SRAM on Power Up• Unlimited RECALL Cycles• 1 Million STORE Cycles• 100-Year Non-volatile Data Retention• Single 5V ± 10% Power Supply• Commercial, Industrial, Military Temperatures• 28-pin 330-mil SOIC, 300-mil PDIP, and 600-mil PDIP Packages (RoHS-Compliant)• 28-Pin CDIP and LCC Military Packages

STK12C68-SF45I

主要特徵

  • 25 ns, 35 ns, and 45 ns access times
  • Hands off automatic STORE on power down with external 68 µF capacitor
  • STORE to QuantumTrap™ nonvolatile elements is initiated by software, hardware, or AutoStore™ on power down
  • RECALL to SRAM initiated by software or power up
  • Unlimited Read, Write, and Recall cycles
  • 1,000,000 STORE cycles to QuantumTrap
  • 100 year data retention to QuantumTrap
  • Single 5V+10% operation
  • Commercial and industrial temperatures
  • 228-pin (330mil) SOIC, 28-pin (300mil) PDIP, 28-pin (600mil) PDIP packages
  • 28-pin (300 mil) CDIP and 28-pad (350 mil) LCC packages
  • RoHS compliance

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 SOIC-28 Interface Type Parallel
Memory Size ! 64 kbit Organization 8 k x 8
Data Bus Width 8 bit Access Time 45 ns
Supply Voltage - Max 5.5 V Supply Voltage - Min 4.5 V
Operating Supply Current 65 mA Minimum Operating Temperature - 40 C
Maximum Operating Temperature ! + 85 C Series STK12C68
Brand Infineon Technologies Height 2.44 mm
Length 18.49 mm Moisture Sensitive Yes
Mounting Style SMD/SMT Operating Supply Voltage ! 4.5 V to 5.5 V
Product Type ! NVRAM Factory Pack Quantity 50
Subcategory Memory & Data Storage Type NVSRAM
Width 8.79 mm Unit Weight 0.078125 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 STK12C68-SF45I PDF 下載

常見問題解答

What is STK12C68-SF45I?

The STK12C68-SF45I is a 64K (8K x 8) nvSRAM (non-volatile static random access memory) integrated circuit manufactured by Cypress Semiconductor. It combines the non-volatility of a ROM with the speed and endurance of a static RAM, making it suitable for applications that require reliable, high-performance data storage with fast read and write access.

How Does STK12C68-SF45I Work?

The STK12C68-SF45I operates by storing data in non-volatile memory cells, which retain the stored information even when the power is removed. When data access is required, the device seamlessly switches between non-volatile and volatile modes, providing fast read and write operations like a traditional static RAM.

How Many Pins does STK12C68-SF45I have and What are the Functions of the Pinout Configuration?

The STK12C68-SF45I is typically available in a 32-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VCC: Power supply pin.
  • GND: Ground pin.
  • CE1, CE2: Chip enable inputs for memory bank selection.
  • OE: Output enable for data output control.
  • WE: Write enable for data write control.
  • NC : No connection pin.
  • IO0-IO7: Data input/output pins.
  • NC: No connection pin.

What are the Pros and Cons of STK12C68-SF45I?

Pros:

  • Non-Volatile Data Storage: Retains data without the need for a backup power supply, ensuring persistent memory.
  • Fast Read and Write Operations: Provides high-speed access to stored data, similar to traditional static RAM.
  • Endurance: Offers high read and write cycle endurance for reliable long-term operation.
  • High Density: 64K density in a compact package, suitable for space-constrained designs.
  • Industrial Temperature Range: Available in industrial temperature range for harsh environment applications.

Cons:

  • Cost: NvSRAM devices may have a higher cost compared to standard volatile SRAM.
  • Complexity: Requires careful consideration of write timing and power-up sequencing for reliable operation.
  • Package Handling: The 32-pin SOIC package may require appropriate handling during assembly and rework processes.

Are There Any Equivalents/Alternatives to STK12C68-SF45I for Recommendation?

Possible equivalents and alternatives to the STK12C68-SF45I include the DS1230AB from Maxim Integrated and the FM18W08 from Cypress Semiconductor.

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