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This 16-bit bus transceiver is built using advanced dual metal CMOS technology. This high-speed, low power transceiver is ideal for asynchronous communication between two busses (A and B). The Direction and Output Enable controls are designed to operate this device as either two independent 8-bit transceivers or one 16-bit transceiver. The direction control pin (DIR) controls the direction of data flow. The output enable pin (OE) overrides the direction control and disables both ports. All inputs are designed with hysteresis for improved noise margin.
All pins can be driven from either 3.3V or 5V devices. This feature allows the use of this device as a translator in a mixed 3.3V/5V supply system. The LVC16245A has been designed with a ±24mA output driver. This driver is capable of driving a moderate to heavy load while maintaining speed performance.
IDT74LVC16245A Maximum Ratings
Symbol
Description
Max
Unit
VTERM(2)
Terminal Voltage with Respect to GND
0.5 to +6.5
V
VTERM(3)
Terminal Voltage with Respect to GND
0.5 to +6.5
V
TSTG
Storage Temperature
65 to +150
°C
IOUT
DC Output Current
50 to +50
mA
IIK IOK
Continuous Clamp Current, VI < 0 or VO < 0
50
mA
ICC ISS
Continuous Current through each VCC or GND
±100
mA
NOTES: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. VCC terminals. 3. All terminals except VCC.
IDT74LVC16245A Features
• Typical tSK(o) (Output Skew) < 250ps • ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0) • VCC = 3.3V ± 0.3V, Normal Range • VCC = 2.7V to 3.6V, Extended Range • CMOS power levels (0.4 W typ. static) • All inputs, outputs, and I/O are 5V tolerant • Supports hot insertion • Available in SSOP, TSSOP, and TVSOP packages
IDT74LVC16245A Typical Application
• 5V and 3.3V mixed voltage systems • Data communication and telecommunication systems