1. General description
The 74LVC16240A is a 16-bit inverting buffer/line driver with 3-state outputs. The device can be
used as four 4-bit buffers, two 8-bit buffers or one 16-bit buffer. The device features four output
enables (1OE, 2OE, 3OE and 4OE), each controlling four of the 3-state outputs. A HIGH on nOE
causes the outputs to assume a high-impedance OFF-state.
Inputs can be driven from either 3.3 V or 5 V devices. When disabled, up to 5.5 V can be applied to
the outputs. These features allow the use of these devices in mixed 3.3 V and 5 V applications.
This device is fully specified for partial power-down applications using IOFF. The IOFF circuitry
disables the output, preventing the damaging backflow current through the device when it is
powered down.
2. Features and benefits
• 5 V tolerant inputs/outputs for interfacing with 5 V logic
• Wide supply voltage range from 1.2 V to 3.6 V
• CMOS low power consumption
• MULTIBYTE flow-through standard pin-out architecture
• Low inductance multiple power and ground pins for minimum noise and ground bounce
• Direct interface with TTL levels
• Complies with JEDEC standard:
• JESD8-7A (1.65 V to 1.95 V)
• JESD8-5A (2.3 V to 2.7 V)
• JESD8-C/JESD36 (2.7 V to 3.6 V)
• ESD protection:
• HBM JESD22-A114F exceeds 2000 V
• MM JESD22-A115B exceeds 200 V
• CDM JESD22-C101E exceeds 1000 V
• Specified from -40 °C to +85 °C and from -40 °C to +125 °C.