• In accordance with JEDEC
standard no. 8-1A
• Wide supply voltage range:
3 V port: 1.5 to 3.6 V
5 V port: 1.5 to 5.5 V
• CMOS low power consumption
• Direct interface with TTL levels
• Control inputs accept voltages up
to 5.5 V.
The 74LVC4245A is a high-performance, low-power, low-voltage, Si-gate
CMOS device, superior to most advanced CMOS compatible TTL families.
The 74LVC4245A is an octal dual supply translating transceiver featuring
non-inverting 3-state bus compatible outputs in both send and receive
directions. It is designed to interface between a 3 and 5 V bus in a mixed 3/5 V
The 74LVC4245A features an output enable (OE) input for easy cascading and
a send/receive (DIR) input for direction control. (OE) controls the outputs so
that the buses are effectively isolated.
In suspend mode, when VCCA is zero, there will be no current flow from one
supply to the other supply. The A-outputs must be set 3-state and the voltage
on the A-bus must be smaller than Vdiode (typ. 0.7 V). VCCA ≥ VCCB (except in
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