SN74CBTS16212 24-bit FET crosspoint switch with Schottky diode clamping |

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24-bit FET crosspoint switch with Schottky diode clamping



The SN74CBTS16212 provides 24 bits of high-speed TTL-compatible bus switching or exchanging with Schottky diodes on the I/Os to clamp undershoot. The low on-state resistance of the switch allows connections to be made with minimal propagation delay.

The device operates as a 24-bit bus switch or as a 12-bit bus exchanger that provides data exchanging between the four signal ports via the data-select (S0–S2) terminals.


  • Member of the Texas Instruments Widebus™ Family
  • 5- Switch Connection Between Two Ports
  • TTL-Compatible Input Levels
  • Latch-Up Performance Exceeds 250 mA Per JESD 17
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)

Widebus is a trademark of Texas Instruments.


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Part number Order Configuration Number of channels (#) Ron (Typ) (Ohms) Bandwidth (MHz) Rating Operating temperature range (C) Package Group Input/output continuous current (Max) (mA) Features ON-state leakage current (Max) (µA)
SN74CBTS16212 Order now Crosspoint/exchange     24     4     200     Catalog     -40 to 85     SSOP | 56
TSSOP | 56    
128     Undershoot protection     150