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DS1314E+

3V NVRAM controller, battery monitor, 20-TSSOP

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Pieza del fabricante：

DS1314E+

Paquete：

20-TSSOP (6.5 x 4.4 mm, 0.65mm pitch)

Marca：
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Descripción

Productos

The DS1314E+ from Analog Devices/Maxim Integrated is a 3V nonvolatile SRAM controller with lithium battery monitor, providing automatic write protection and battery backup switching for CMOS SRAM.

Especificaciones

Fabricante Analog Devices (Maxim)
Función Nonvolatile SRAM Controller
Tensión de alimentación 3.0V to 3.6V
Batería de reserva Automatic switch
Battery Monitor Yes (low battery warning)
Write Protection Unconditional on VCC fault
Reset Output Yes (active low)
Paquete 20-TSSOP
Temperatura de funcionamiento -40°C to +85°C
MSL 1 (Unlimited)

Características

  • Converts CMOS SRAM to nonvolatile memory
  • Unconditional write protection on VCC fault
  • Automatic battery backup switching
  • Lithium battery voltage monitoring
  • Low battery warning output (BW)
  • Processor reset on power failure
  • 3.0V/3.3V tolerance selection (TOL pin)

Aplicaciones

  • Industrial data retention
  • Embedded NVRAM
  • Configuration storage
  • Calibration data preservation

The DS1314E+ from Analog Devices (Maxim) is a 3V nonvolatile SRAM controller with integrated lithium battery monitoring. It converts volatile CMOS SRAM into nonvolatile memory by providing automatic write protection during power failures and switching to battery backup. The battery monitor provides early warning of battery end-of-life. The + suffix indicates RoHS-compliant lead-free version in tube packaging.

The DS1314E intercepts the SRAM chip-enable signal and controls the SRAM power supply. When VCC drops below the threshold (set by TOL pin), it: (1) blocks chip-enable to write-protect SRAM, (2) switches SRAM power from VCC to battery, and (3) asserts RST output. The battery monitor checks battery voltage every 24 hours and asserts BW if below threshold. On power recovery, RST stays active for 150-350ms to ensure stable processor startup.

Pin Nombre Función
Múltiples CEI/CEO Chip enable in/out
Múltiples VCCI/VCCO Power in/out to SRAM
Múltiples VBAT Battery backup input
Múltiples TOL VCC tolerance select
Múltiples RST/BW Reset and battery warning outputs
  • Industrial NVRAM data retention
  • Embedded system configuration backup
  • Calibration constant preservation
  • Critical data nonvolatile storage
Fabricante Número de pieza Notas
ADI DS1314E+TR Tape and reel version
ADI DS1314C+ With clock function
ADI DS1210+ 5V version
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Envíos y pagos

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Servicio y embalaje

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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