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SN74CB3T3257 4-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER 2.
5-V/3.
3-V LOW-
VOLTAGE BUS SWITCH WITH 5-V-TOLERANT LEVEL SHIFTER
SCDS149 – OCTOBER 2003 – REVISED MARCH 2005
FEATURES
• Output
Voltage Translation Tracks VCC • Supports Mixed-Mode Signal Operation on All
Data I/O Ports
– 5-V Input Down to 3.
3-V Output Level Shift With 3.
3-V VCC
– 5-V/3.
3-V Input Down to 2.
5-V Output Level Shift With 2.
5-V VCC
• 5-V-Tolerant I/Os With Device Powered Up or Powered Down
• Bidirectional Data Flow With Near-Zero Propagation Delay
• Low ON-State Resistance (ron) Characteristics (ron = 5 Ω Typ)
• Low Input/Output Capacitance Minimizes Loading (Cio(OFF) = 5 pF Typ)
• Data and Control Inputs Provi...