All Alternatives

Alternatives to Analog Devices DS33X41

Analog Devices DS33X41 and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.

Equivalent and substitute parts for Analog Devices DS33X41

DS33X41 compared against its qualified second sources
DS33X41Analog DevicesDS33X42+Analog Devices / Maxim IntegratedDS33X82+Analog Devices Inc./Maxim Integrated+1more
FFF CompatibilityShares the identical 256-ball CSBGA footprint, but contains routing for a second Ethernet port on pins that may be unused or differently biased on a DS33X41-only board.Identical 256-ball CSBGA package measuring 17mm x 17mm with the same SMD mounting.Exceeds original capabilities by offering an extra Ethernet port while fully supporting the 4 TDM lines and baseline mapping features.Uses the same 256-ball pattern, but introduces additional signal routing for the extra TDM and Ethernet ports that must be accounted for or tied off.Housed in the identical 17mm x 17mm 256-ball CSBGA package.Fully backward-compatible with the DS33X41's mapping algorithms, buffering, and core specifications while offering expanded port count.
AI Summary

DS33X41 by Analog Devices: Telecom Interface ICs Ethernet Over PDH Mapping Devices.

The DS33X42+ is the closest family sibling, sharing the same 256-ball footprint and electrical characteristics while providing a second Ethernet port. It is an excellent functional alternative, though its obsolete status means sourcing must rely on legacy channel inventory.

  • Footprint-compatible sibling on the same 256-ball CSBGA pattern
  • Supports the same 4 TDM ports and matching electrical supply rails (1.8V/2.5V/3.3V)
  • Identical encapsulation support (GFP-F, HDLC, cHDLC, and X.86 LAPS)
  • Also obsolete (end-of-life), requiring sourcing from specialized distributors or legacy stock
  • Pin assignments for the second Ethernet port must be verified and ignored on the PCB design

The DS33X82+ expands capacity to 8 TDM and 2 Ethernet ports while sharing the same physical 256-ball package and pinout framework. It can serve as a drop-in replacement if unused serial inputs are properly terminated (tied to ground) as per datasheet guidelines.

  • Footprint-compatible with the same 256-ball CSBGA layout
  • Increases TDM capacity to 8 ports and Ethernet capacity to 2 ports
  • Maintains the exact same 1.8V core, 2.5V DDR, and 3.3V I/O voltage domains
  • Also obsolete, sharing the same product lifecycle end-of-life status
  • Requires verification of unused pin states to avoid floating inputs on the extra serial ports
Lifecycle StatusObsoleteObsoleteUnknown
Market AvailabilityDiscontinuedDiscontinuedNon-stock
REACHUnknownUnknownREACH
RoHSUnknownRoHSRoHS
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