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STMicroelectronics · Other integrated circuits

74AC257TTR

IC MULTIPLEXER 4 X 2:1 16TSSOP

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74AC257TTR component illustration
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74AC257TTR specifications

Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.

ManufacturerSTMicroelectronics
Ordering code74AC257TTR
FamilyOther integrated circuits
Package16-TSSOP (0.173", 4.40mm Width)
Product StatusObsolete
TypeMultiplexer
Circuit4 x 2:1
Independent Circuits1
Current - Output High, Low24mA, 24mA
Voltage Supply SourceSingle Supply
Voltage - Supply2V ~ 6V
Operating Temperature-55°C ~ 125°C
Mounting TypeSurface Mount
Package / Case16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package16-TSSOP

Documents and evidence

74AC257TTR ↗

Before sourcing 74AC257TTR

  1. Identify the firmware and board baseline
  2. Check flash, RAM and required peripherals
  3. Review pin assignment and supply limits
  4. Keep the full temperature and package suffix
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