Serial Alarm Real-Time Clock

3-Wire/SPI Serial Interface Trickle Charge Real-Time Clock with Alarms

Overview

Technical Documents

Ordering Info

Status

Part Number	Status
DS1305	Active: In Production. See Ordering Information for details.

Data Sheet

Download	Rev 3	(PDF, 316kB)
E-Mail

Ordering Information

Filters:

Part Number:

Package:

Temperature:

Tape and Reel

Sample

Part Number	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS1305			Active		PDIP(N);16 pin;158.4 mm² Outline Drawing:21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P16-1*	0°C to +70°C	RoHS/Lead-Free: No Materials Analysis
DS1305+			Active		PDIP(N);16 pin;158.4 mm² Outline Drawing:21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P16+1*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1305E			Active		TSSOP;20 pin;45.2 mm² Outline Drawing:21-0066 (PDF) Land Pattern: 90-0116 (PDF) Use pkgcode/variation: U20-1*	0°C to +70°C	RoHS/Lead-Free: No Materials Analysis
DS1305E+			Active		TSSOP;20 pin;45.2 mm² Outline Drawing:21-0066 (PDF) Land Pattern: 90-0116 (PDF) Use pkgcode/variation: U20+1*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1305E+T&R			Active		TSSOP;20 pin;45.2 mm² Outline Drawing:21-0066 (PDF) Land Pattern: 90-0116 (PDF) Use pkgcode/variation: U20+1*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1305E/T&R		N/A	No Longer Available	DS1305E+T&R	TSSOP;20 pin;45.2 mm² Outline Drawing:21-0066 (PDF) Land Pattern: 90-0116 (PDF) Use pkgcode/variation: U20-1*	0°C to +70°C	RoHS/Lead-Free: No Materials Analysis
DS1305EN			Active		TSSOP;20 pin;45.2 mm² Outline Drawing:21-0066 (PDF) Land Pattern: 90-0116 (PDF) Use pkgcode/variation: U20-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1305EN+			Active		TSSOP;20 pin;45.2 mm² Outline Drawing:21-0066 (PDF) Land Pattern: 90-0116 (PDF) Use pkgcode/variation: U20+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1305EN+T&R			Active		TSSOP;20 pin;45.2 mm² Outline Drawing:21-0066 (PDF) Land Pattern: 90-0116 (PDF) Use pkgcode/variation: U20+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1305EN+T&R/C01			Active		TSSOP;20 pin;45.2 mm² Outline Drawing:21-0066 (PDF) Land Pattern: 90-0116 (PDF) Use pkgcode/variation: U20+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
Part Number	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS1305EN/T&R			Active		TSSOP;20 pin;45.2 mm² Outline Drawing:21-0066 (PDF) Land Pattern: 90-0116 (PDF) Use pkgcode/variation: U20-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1305N			Active		PDIP(N);16 pin;158.4 mm² Outline Drawing:21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P16-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1305N+			Active		PDIP(N);16 pin;158.4 mm² Outline Drawing:21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P16+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis

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; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product 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.

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Information Index

Overview		Technical Documents		Ordering Info		Related Products
Description Key Features Applications/Uses Key Specifications Diagram Notes and Comments		Data Sheet Application Notes Evaluation Kits Product Guides Reliability Reports Software/Models		Price and Availability Samples Buy Online Package Information Lead-Free Information		Similar Products by Function Similar Products by Application Evaluation Kits Products with Similar Part Numbers Products Used With This

Document Ref.: 19-5055 Rev 3; 2009-12-08
This page last modified: 2009-12-09