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Status
Part Number	Status
DS1643	Active: In Production. But some versions of the family are No Longer Available.
DS1643P	Active: In Production. But some versions of the family are No Longer Available.

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

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: 1-11 of 11

DS1643	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS1643-85+			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
DS1643-70		N/A	No Longer Available	DS1643-85+	Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1643-70+		N/A	No Longer Available	DS1643-85+	Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1643-C03		N/A	No Longer Available	DS1743-100+	Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1643-100			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: No Materials Analysis
DS1643-100+			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
DS1643P	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS1643P-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
DS1643P-100		N/A	No Longer Available	DS1643P-100+	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
DS1643P-70		N/A	No Longer Available	DS1643P-85+	Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1643P-70+		N/A	No Longer Available	DS1643P-85+	Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1643P-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

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