Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA
ECCN Code:
EAR99
HTS Code:
8542.32.00.51
Date Of Intro:
2005-05-27
Manufacturer:
Analog Devices Inc
YTEOL:
10
JESD-30 Code:
O-MEDB-N2
Memory Density:
64 bit
Memory IC Type:
EEPROM
Memory Width:
1
Number of Functions:
1
Number of Terminals:
2
Number of Words:
64 words
Number of Words Code:
64
Operating Mode:
ASYNCHRONOUS
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Organization:
64X1
Package Body Material:
METAL
Package Shape:
ROUND
Package Style:
DISK BUTTON
Parallel/Serial:
SERIAL
Peak Reflow Temperature (Cel):
NOT SPECIFIED
Qualification Status:
Not Qualified
Serial Bus Type:
1-WIRE
Supply Voltage-Max (Vsup):
6 V
Supply Voltage-Min (Vsup):
2.8 V
Supply Voltage-Nom (Vsup):
5 V
Surface Mount:
YES
Technology:
CMOS
Temperature Grade:
INDUSTRIAL
Terminal Form:
NO LEAD
Terminal Position:
END
Time@Peak Reflow Temperature-Max (s):
NOT SPECIFIED
DS1990R-F3# Frequently Asked Questions (FAQs)
A good PCB layout practice is to keep the analog and digital grounds separate, use a solid ground plane, and place the device close to the power supply. Additionally, use a low-ESR capacitor (e.g., 10uF) between VCC and GND, and a 1uF capacitor between VCC and AVCC. Keep the analog input traces short and away from digital signals.
To ensure accurate temperature measurements, calibrate the device using the CAL pin, and use a thermocouple or thermistor with a high accuracy rating. Also, ensure good thermal contact between the sensor and the device, and avoid self-heating by minimizing power consumption.
The maximum cable length for the 1-Wire interface is approximately 100 meters, but it depends on the cable quality, noise environment, and data rate. For longer distances, consider using a 1-Wire repeater or a more robust communication protocol.
Yes, the DS1990R-F3# supports multi-drop configuration, allowing multiple devices to share the same 1-Wire bus. However, ensure that each device has a unique ROM code and follows the 1-Wire protocol to avoid bus contention.
The DS1990R-F3# has a built-in power-on reset (POR) circuit that resets the device during power-up. For brown-out detection, use an external voltage supervisor or a dedicated brown-out detection circuit to ensure the device operates within the recommended voltage range.
Trust Checks
No trust score is available for this model.
Trust Score Unavailable
Sponsored
DS1990R-F3# Overview
Use the download button to access the DS1990R-F3# 3D model. You can still request or build the schematic symbol and PCB footprint by using the respective build or request forms on this page.
To find more CAD model downloads similar to this part, try a partial part number search, like DS199,
or try a keyword search, such as Other Memory ICs
About Analog Devices
Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries.
Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.
