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Status

Active: In Production.

Data Sheet

FULL DATA SHEET (PDF, 244kB) Download   E-Mail

Description

The DS1350 4096k Nonvolatile (NV) SRAMs are 4,194,304 bit, fully static, NV SRAMs organized as 524,288 words by 8 bits. Each NV SRAM has a self-contained lithium energy source and control circuitry, which constantly monitors VCC for an out-of-tolerance condition. When such a condition occurs, the lithium energy source is automatically switched on and write protection is unconditionally enabled to prevent data corruption. Additionally, the DS1350 devices have dedicated circuitry for monitoring the status of VCC and the status of the internal lithium battery. DS1350 devices in the PowerCap Module package are directly surface mountable and are normally paired with a DS9034PC PowerCap to form a complete NV SRAM module. The devices can be used in place of 512k x 8 SRAM, EEPROM or Flash components.

Key Features

10 years minimum data retention in the absence of external power Data is automatically protected during power loss Power supply monitor resets processor when VCC power loss occurs and holds processor in reset during VCC ramp-up Battery monitor checks remaining capacity daily Read and write access times as fast as 70ns Unlimited write cycle endurance Typical standby current 50µA Upgrade for 512k x 8 SRAM, EEPROM or Flash Lithium battery is electrically disconnected to retain freshness until power is applied for the first time Full ±10% VCC operating range (DS1350Y) or optional ±5% VCC operating range (DS1350AB) Optional industrial temperature range of -40°C to +85°C, designated IND PowerCap Module (PCM) package Directly surface-mountable module Replaceable snap-on PowerCap provides lithium backup battery Standardized pinout for all NV SRAM products Detachment feature on PowerCap allows easy removal using a regular screwdriver Underwriters Laboratories (UL®) Recognized

Diagram

Pin Assignment

Application Notes

Application Note 202: NV SRAM Frequently Asked Questions - DS1350AB, DS1350Y Application Note 3254: Battery Monitoring in NV SRAM Modules - DS1350AB, DS1350Y Application Note 3759: Timing Considerations When Using NVSRAM - DS1350AB, DS1350Y

Reliability Reports

Request Reliability Report for: DS1350Y DS1350AB Underwriters Laboratories (UL®) Recognized

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: 1-13 of 13

DS1350AB	Notes	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS1350ABP-100	5% Tolerance, 100ns			Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2-5*	0°C to +70°C	RoHS/Lead-Free: No Materials Analysis
DS1350ABP-70	5% Tolerance, 70ns			Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2-5*	0°C to +70°C	RoHS/Lead-Free: No Materials Analysis
DS1350ABP-100+				Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2+5*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1350ABP-70+				Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2+5*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1350ABP-70IND	5% Tolerance, 70ns			Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2-5*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1350ABP-70IND+				Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2+5*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1350Y	Notes	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS1350YP-C01				Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2+3*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1350YP-100	10% Tolerance, 100ns			Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2-5*	0°C to +70°C	RoHS/Lead-Free: No Materials Analysis
DS1350YP-70	10% Tolerance, 70ns			Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2-5*	0°C to +70°C	RoHS/Lead-Free: No Materials Analysis
DS1350YP-100+				Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2+5*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1350YP-70+				Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2+5*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1350YP-70IND	10% Tolerance, 70ns			Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2-5*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1350YP-70IND+				Active	PCAP;34 pin;597 mm² Outline Drawing: 21-0246 (PDF) Land Pattern: Not Available Use pkgcode/variation: PC2+5*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis

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