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5-V, 2:1 (SPDT), 4-channel general-purpose analog switch

Inventory: 25,492
Custom reel may be available

Download data sheet for SN74CBT3257
  |   View additional information for SN74CBT3257

Packaging information

Package | Pins SOIC (D) | 16
Operating temperature range (℃) I (-40 to 85)
Package qty | Carrier: 2,500 | LARGE T&R
Custom reel may be available
View more packaging information

Quality information

RoHS Yes
Lead finish / Ball material NIPDAU
MSL rating / Peak reflow Level-1-260C-UNLIM
Material content View
DPPM / MTBF / Fit rate View
Qualification summary View
Ongoing reliability monitoring View
Device marking View


  • 5- Switch Connection Between Two Ports
  • TTL-Compatible Input Levels


The SN74CBT3257 is a 4-bit 1-of-2 high-speed TTL-compatible FET multiplexer/demultiplexer. The low on-state resistance of the switch allows connections to be made with minimal propagation delay.

Output-enable (OE)\ and select-control (S) inputs select the appropriate B1 and B2 outputs for the A-input data.

Qty Price
1-99 $0.51
100-249 $0.39
250-999 $0.29
1,000+ $0.21

Alternative carriers

Part number SN74CBT3257D
Package qty | Carrier 40 | TUBE
Inventory 3,030
Qty | Price (USD) 1ku | $0.25