FST16211MEA Equivalent & Substitute Parts

Part Overview

The FST16211MEA is a 12 x 1:1 bus switch logic IC manufactured by onsemi, housed in a 56-SSOP package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The FST16211MEA operates with a single supply voltage range of 4V to 5.5V and supports operating temperatures from -40°C to 85°C. Substitute parts maintain functional equivalence through identical circuit configuration, voltage specifications, and thermal operating range.

Key Parameters

Parameter	FST16211MEA
Type	Bus Switch
Circuit Configuration	12 x 1:1
Independent Circuits	2
Voltage Supply Source	Single Supply
Voltage - Supply Range	4V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	56-BSSOP (0.295", 7.50mm Width)
Supplier Device Package	56-SSOP
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the FST16211MEA are qualified based on the following critical parameters:

Circuit Configuration: All substitutes maintain 12 x 1:1 bus switch topology with 2 independent circuits
Voltage Supply Range: Substitutes operate within 4.5V ~ 5.5V (compatible with FST16211MEA's 4V ~ 5.5V range)
Operating Temperature: All substitutes support -40°C ~ 85°C range
Mounting Type: All substitutes are surface mount
Package Compatibility: Substitutes are available in 56-SSOP, 56-BSSOP, 56-TSSOP, and 56-TVSOP packages, all mechanically compatible with PCB layouts designed for the original part

Substitutes are categorized as direct equivalents (identical package) or similar alternatives (different package variants). Package selection depends on PCB layout constraints and manufacturing capabilities.

Parameter Comparison

Part Number	Manufacturer	Circuit	Voltage Supply	Operating Temp	Package / Case	Product Status	RoHS Status
FST16211MEA	onsemi	12 x 1:1	4V ~ 5.5V	-40°C ~ 85°C	56-BSSOP (0.295", 7.50mm)	Obsolete	REACH Unaffected
SN74CBT16211ADL	Texas Instruments	12 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	56-BSSOP (0.295", 7.50mm)	Last Time Buy	ROHS3 Compliant
SN74CBT16211ADLR	Texas Instruments	12 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	56-BSSOP (0.295", 7.50mm)	Last Time Buy	ROHS3 Compliant
SN74CBT16211ADGVR	Texas Instruments	12 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	56-TFSOP (0.173", 4.40mm)	Last Time Buy	ROHS3 Compliant
SN74CBT16211CDGGR	Texas Instruments	12 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	56-TFSOP (0.240", 6.10mm)	Active	ROHS3 Compliant
SN74CBT16211CDGVR	Texas Instruments	12 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	56-TFSOP (0.173", 4.40mm)	Active	ROHS3 Compliant
SN74CBT16211CDL	Texas Instruments	12 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	56-BSSOP (0.295", 7.50mm)	Active	ROHS3 Compliant
SN74CBT16211CDLR	Texas Instruments	12 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	56-BSSOP (0.295", 7.50mm)	Active	ROHS3 Compliant
SN74CBTD16211DL	Texas Instruments	12 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	56-BSSOP (0.295", 7.50mm)	Last Time Buy	ROHS3 Compliant
SN74CBTD16211DLG4	Texas Instruments	12 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	56-BSSOP (0.295", 7.50mm)	Discontinued at DiGi Electronics	ROHS3 Compliant
SN74CBTD16211DLR	Texas Instruments	12 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	56-BSSOP (0.295", 7.50mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

For direct replacement of the obsolete FST16211MEA in existing designs, select from Texas Instruments parts with active product status and identical 56-BSSOP packaging:

Primary Recommendations (Active Status, 56-BSSOP Package):

SN74CBT16211CDL (Tube packaging)
SN74CBT16211CDLR (Tape & Reel packaging)
SN74CBTD16211DLR (Tape & Reel packaging)

These parts maintain full electrical and mechanical compatibility with the original FST16211MEA design. All recommended substitutes are ROHS3 compliant and carry REACH Unaffected status, meeting current regulatory requirements.

Alternative Selections (Different Package Variants):

SN74CBT16211CDGVR (56-TVSOP, 4.40mm width, Active status) — suitable for space-constrained layouts
SN74CBT16211CDGGR (56-TSSOP, 6.10mm width, Active status) — alternative footprint option

Parts with Last Time Buy or Discontinued status should be evaluated only when active alternatives are unavailable or when existing inventory is sufficient for production requirements.

Frequently Asked Questions (FAQ)

Q: Can SN74CBT16211CDGVR replace FST16211MEA directly on the PCB?

A: SN74CBT16211CDGVR is electrically equivalent but uses a different package (56-TVSOP vs. 56-BSSOP). PCB layout modification is required. The 56-TVSOP package has a narrower width (4.40mm vs. 7.50mm), necessitating footprint redesign.

Q: What is the difference between SN74CBT16211CDLR and SN74CBTD16211DLR?

A: Both parts are functionally equivalent with identical electrical specifications and 56-BSSOP packaging. The primary difference is the series designation (74CBT vs. 74CBTD). SN74CBT16211CDLR has Active product status, while SN74CBTD16211DLR has Active status as well. Selection should prioritize availability and supply chain continuity.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All Texas Instruments substitutes listed carry ROHS3 Compliant status. The original FST16211MEA is REACH Unaffected. All substitutes maintain REACH Unaffected status, ensuring regulatory compliance across both legacy and modern supply chains.

Q: What packaging options are available for equivalent functionality?

A: Electrical equivalents are available in three package variants: 56-BSSOP (0.295", 7.50mm width), 56-TVSOP (0.173", 4.40mm width), and 56-TSSOP (0.240", 6.10mm width). Package selection depends on PCB layout constraints and manufacturing capabilities. All variants maintain identical circuit configuration and electrical performance.

Q: Which substitute has the longest product lifecycle?

A: SN74CBT16211CDLR and SN74CBT16211CDGVR carry Active product status, indicating ongoing manufacturer support and availability. These parts are recommended for new designs and long-term production requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message