Maxim > Products > Real-Time Clocks (RTCs) > DS1746, DS1746P

DS1746, DS1746P

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

Part Number Status
DS1746 Active: In Production. See Ordering Information for details.
DS1746P Active: In Production. See Ordering Information for details.
  

Data Sheet

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Ordering Information

Filters: Part Number: Package: Temperature: Tape and Reel Sample
Part Number Notes Free
Sample		 Buy Status Explanations for product status codes Recommended Replacement Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
DS1746-70       N/A No Longer Available DS1746-70+

 		 EDIP;32 pin;707.2 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF32-1*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
DS1746-70+    
Active   EDIP;32 pin;707.2 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF32+1*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1746-70IND       N/A No Longer Available DS1746-70IND+

 		 EDIP;32 pin;707.2 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF32-1*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
DS1746-70IND+      
Active   EDIP;32 pin;707.2 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF32+1*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1746P-70       N/A No Longer Available DS1746P-70+

 		 PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC2-6*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
DS1746P-70+    
Active   PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC2+6*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1746P-70IND       N/A No Longer Available DS1746P-70IND+

 		 PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC2-6*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
DS1746P-70IND+      
Active   PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC2+6*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1746W-120   3.3V, 120ns    N/A No Longer Available DS1746W-120+

 		 EDIP;32 pin;707.2 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF32-1*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
DS1746W-120+    
Active   EDIP;32 pin;707.2 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF32+1*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
Part Number Notes Free
Sample		 Buy Status Explanations for product status codes Recommended Replacement Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
DS1746W-120IND       N/A No Longer Available DS1746W-120IND+

 		 EDIP;32 pin;707.2 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF32-1*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
DS1746W-120IND+      
Active   EDIP;32 pin;707.2 mm²
Outline Drawing:21-0245 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: MDF32+1*
-40°C to +85°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1746WP-120   3.3V, 120ns    N/A No Longer Available DS1746WP-120+

 		 PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC2-6*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
DS1746WP-120+    
Active   PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC2+6*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
DS1746WP-120IND       N/A No Longer Available DS1746WP-120IND+

 		 PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC2-6*
-40°C to +85°C RoHS/Lead-Free: No
Materials Analysis
DS1746WP-120IND+      
Active   PCAP;34 pin;596.9 mm²
Outline Drawing:21-0246 (PDF)
Land Pattern: Not Available
Use pkgcode/variation: PC2+6*
-40°C to +85°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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Document Ref.: 19-5503 Rev 5; 2012-03-09
This page last modified: 2012-03-09



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