Maxim > Products > Real-Time Clocks (RTCs) > DS1743, DS1743P

DS1743, DS1743P

Y2K-Compliant, Nonvolatile Timekeeping RAMs
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Status Explanations for product status codes

Part Number Status
DS1743 Active: In Production. See Ordering Information for details.
DS1743P Active: In Production. See Ordering Information for details.
  

Data Sheet

Download this datasheet in PDF formatDownload Rev 4 (PDF, 196kB)
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Ordering Information

Filters: Part Number: Package: Temperature: Tape and Reel Sample
Part Number Free
Sample		 Buy Status Explanations for product status codes Recommended Replacement Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
DS1743-100     N/A No Longer Available   EDIP;28 pin;629.9 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF28-2*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
DS1743-100 IND     N/A No Longer Available DS1743-100IND+

 		 EDIP;28 pin;629.9 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF28-2*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
DS1743-100+  
Active   EDIP;28 pin;629.9 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF28+2*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743-100IND+    
Active   EDIP;28 pin;629.9 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF28+2*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743-70     N/A No Longer Available DS1743-85+

 		 MOD;

Land Pattern: Not Available

0°C to +70°C See data sheet
DS1743-85+  
Active   EDIP;28 pin;629.9 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF28+2*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743-85IND+    
Active   EDIP;28 pin;629.9 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF28+2*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743P-100     N/A No Longer Available DS1743P-85+

 		 PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1-2*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
DS1743P-100+  
Active   PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1+2*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743P-100IND     N/A No Longer Available DS1743P-85IND+

 		 PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1-2*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
Part Number Free
Sample		 Buy Status Explanations for product status codes Recommended Replacement Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
DS1743P-100IND+    
Active   PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1+2*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743P-70     N/A No Longer Available DS1743P-85+

 		 PWRCP;

Land Pattern: Not Available

0°C to +70°C See data sheet
DS1743P-85+  
Active   PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1+2*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743P-85IND+    
Active   PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1+2*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743P-C01+    
Active   PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1+2*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743W-120     N/A No Longer Available DS1743W-120+

 		 EDIP;28 pin;629.9 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF28-2*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
DS1743W-120 IND     N/A No Longer Available DS1743W-120IND+

 		 EDIP;28 pin;629.9 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF28-2*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
DS1743W-120+  
Active   EDIP;28 pin;629.9 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF28+2*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743W-120IND+    
Active   EDIP;28 pin;629.9 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF28+2*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743W-150     N/A No Longer Available DS1743W-120+

 		 EDIP;28 pin;629.9 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF28-2*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
Part Number Free
Sample		 Buy Status Explanations for product status codes Recommended Replacement Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
DS1743W-150+  
Active   EDIP;28 pin;629.9 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF28+2*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743WP-120     N/A No Longer Available DS1743WP-120+

 		 PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1-2*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
DS1743WP-120+  
Active   PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1+2*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743WP-120IND     N/A No Longer Available DS1743WP-120IND+

 		 PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1-2*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
DS1743WP-120IND+    
Active   PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1+2*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1743WP-150     N/A No Longer Available DS1743WP-120+

 		 PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1-2*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
DS1743WP-150+  
Active   PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC1+2*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis

Notes:
  1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
  2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
  3. 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.
  4. * 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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Rev 4; 2007-09-10
This page last modified: 2009-09-24



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