DS1245AB-70IND+ Equivalent & Substitute Parts

Part Overview

The DS1245AB-70IND+ is a Non-Volatile SRAM (NVSRAM) memory integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. This 1Mbit parallel memory device combines SRAM speed with non-volatile storage capability, making it suitable for applications requiring data retention without external power. The device is currently in active production status with full RoHS3 compliance and REACH unaffected classification. Finding equivalent or substitute parts is necessary when addressing supply chain constraints, inventory optimization, or specific application requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

DS1245AB-70IND+
Analog Devices Inc./Maxim IntegratedIn Stock: 1193DS1245AB-70IND+ Datasheet
DS1245AB-70IND+
Current Part
DS1245AB-70IND+
Analog Devices Inc./Maxim IntegratedIn Stock: 1193DS1245AB-70IND+ Datasheet
DS1245AB-70IND+
Direct

Key Parameters

Parameter Value
Memory Type Non-Volatile SRAM (NVSRAM)
Memory Size 1Mbit
Memory Organization 128K x 8
Memory Interface Parallel
Access Time 70 ns
Write Cycle Time 70 ns
Supply Voltage 4.75V ~ 5.25V
Operating Temperature Range -40°C ~ 85°C
Package Type 32-DIP Module (0.600", 15.24mm)
Mounting Type Through Hole
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the DS1245AB-70IND+ is determined by strict equivalence across the following critical parameters:

  • Memory Type: Must be Non-Volatile SRAM (NVSRAM)
  • Memory Size: Must be 1Mbit
  • Memory Organization: Must be 128K x 8
  • Memory Interface: Must be Parallel
  • Access Time: Must be 70 ns or faster
  • Write Cycle Time: Must be 70 ns or faster
  • Supply Voltage: Must support 4.75V ~ 5.25V range
  • Operating Temperature: Must support -40°C ~ 85°C minimum
  • Package: Must be 32-DIP Module (0.600", 15.24mm)
  • Mounting Type: Must be Through Hole

Based on the provided input data, the DS1245AB-70IND+ is listed as its own direct equivalent with identical specifications across all electrical and mechanical parameters.

Parameter Comparison

Parameter DS1245AB-70IND+ (Main Part) DS1245AB-70IND+ (Direct Equivalent)
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Memory Type NVSRAM NVSRAM
Memory Size 1Mbit 1Mbit
Memory Organization 128K x 8 128K x 8
Access Time 70 ns 70 ns
Write Cycle Time 70 ns 70 ns
Supply Voltage 4.75V ~ 5.25V 4.75V ~ 5.25V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Package 32-DIP Module (0.600", 15.24mm) 32-DIP Module (0.600", 15.24mm)
RoHS Status ROHS3 Compliant ROHS3 Compliant
Product Status Active Active

Engineering Selection Recommendations

The DS1245AB-70IND+ is an active production component with full RoHS3 compliance and REACH unaffected status, ensuring regulatory compliance for current and future applications. The device maintains unlimited moisture sensitivity level (MSL 1), indicating no special handling requirements during storage or assembly. Selection of this component or its direct equivalent is appropriate for applications requiring 1Mbit NVSRAM capacity with 70 ns access characteristics in a 32-DIP through-hole package. Inventory availability of 1165 pieces supports immediate deployment for production requirements.

Frequently Asked Questions (FAQ)

Q: What defines a valid substitute for the DS1245AB-70IND+?

A: A valid substitute must match all critical parameters: 1Mbit NVSRAM capacity, 128K x 8 organization, parallel interface, 70 ns access and write cycle times, 4.75V–5.25V supply voltage range, -40°C to 85°C operating temperature, and 32-DIP through-hole package format.

Q: Can faster access time devices substitute for the DS1245AB-70IND+?

A: Yes. Devices with access times faster than 70 ns are electrically compatible and functionally equivalent, as they meet or exceed the timing requirements of the original specification.

Q: Is the 32-DIP package interchangeable with other NVSRAM packages?

A: No. The 32-DIP through-hole package is mechanically and electrically specific to this device. Different package types (such as surface-mount variants) require PCB redesign and are not direct substitutes.

Q: What is the significance of RoHS3 compliance for this component?

A: RoHS3 compliance confirms the device meets current environmental and hazardous substance restrictions, ensuring regulatory acceptance in applications subject to EU and equivalent global standards.

Q: Does the DS1245AB-70IND+ require special handling during assembly?

A: No. The MSL 1 (Unlimited) rating indicates no moisture sensitivity precautions are necessary during standard PCB assembly and storage processes.

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