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Status
Part Number	Status
DS9108	Active: In production, but some versions are no longer available. See Ordering Information.

Data Sheet

FULL DATA SHEET (PDF, 68kB) Download   E-Mail

Description

This product is a sealed plastic stick containing three DS1921G iButtons®. The iButtons are connected in parallel through metal plates that are spot-welded to the IO and GND contact, respectively. Two stranded wires protruding from the top end of the stick allow for a 1-Wire® reader/writer to make contact to the iButtons for setup and data retrieval. Electrically, the product is specified by the DS1921G data sheet, with the proper scaling (e.g., current ×3, capacitance ×3). The mechanical and thermal characteristics of the module are specified in this document.

This product contains lithium-metal batteries. See applicable regulations for transport requirements for batteries in equipment.

Key Features		Applications/Uses
Three DS1921G networked to monitor temperate at the top, bottom and center of the stick Connects to 1-Wire reader/writer through colorcoded 18 AWG (1 mm Ø) stranded wires with ½ inch (1.3cm) stripped ends Electrically compatible to the DS1921G Thermochron iButton (3 in parallel) Sealed against liquid intrusion Module position information stored in DS1921G memory		Concrete Maturity Monitoring

Key Specifications:  iButton Products

Part Number

Overview

Memory Type

Memory Size

Data Logger Type

Data Logger Size

Data Logger Sample Rate

Data Logger Histogram

Data Logger Accuracy

Data Logger Resolution

Data Logger Measuremt. Range

Prog. Alarm

Unique Ware

Real Time Clock

Price

See Notes

DS9108

Temperature Sensor iButton

NV SRAM

3 x 4Kbits

Temperature

3 x 2048 Byte

1min to 255min

63-bin

±1°C

0.5°C

-20°C to +65°C

Temperature High/Low

No

Yes

$45.00 @1k

See All iButton Products (26)

Diagram

Typical Operating Circuit Typical Operating Characteristics

Design Guides

1-Wire® Products (PDF)

Reliability Reports

Request Reliability Report for: DS9108

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-8 of 8

DS9108	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS9108-8#			Active	0 pin;0 mm² Land Pattern: Not Available Use pkgcode/variation: IB#ACC*	-40°C to +85°C	RoHS/Lead-Free: RoHS Qualified Materials Analysis
DS9108-9#		N/A	No Longer Available	Land Pattern: Not Available	-40°C to +85°C	See data sheet
DS9108-10#			Active	0 pin;0 mm² Land Pattern: Not Available Use pkgcode/variation: IB#ACC*	-40°C to +85°C	RoHS/Lead-Free: RoHS Qualified Materials Analysis
DS9108-11#		N/A	No Longer Available	Land Pattern: Not Available	-40°C to +85°C	See data sheet
DS9108-12#			Active	0 pin;0 mm² Land Pattern: Not Available Use pkgcode/variation: IB#ACC*	-40°C to +85°C	RoHS/Lead-Free: RoHS Qualified Materials Analysis
DS9108-13#		N/A	No Longer Available	Land Pattern: Not Available	-40°C to +85°C	See data sheet
DS9108-14#		N/A	No Longer Available	Land Pattern: Not Available	-40°C to +85°C	See data sheet
DS9108-15#			Active	0 pin;0 mm² Land Pattern: Not Available Use pkgcode/variation: IB#ACC*	-40°C to +85°C	RoHS/Lead-Free: RoHS Qualified Materials Analysis

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Description   Key Features   Applications/Uses   Key Specifications   Diagram

Data Sheet   Application Notes   Design Guides   Engineering Journals   Reliability Reports   Software/Models   Evaluation Kits

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