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© 2005 Fairchild Semiconductor Corporation DS012001 www.fairchildsemi.com
February 1994
Revised May 2005
74LCX16245 Low Voltage 16-Bit Bidirectional Transceiver with 5V Tolerant Inputs and Outputs
74LCX16245
Low Voltage 16-Bit Bidirectional Transceiver
with 5V Tolerant Inputs and Outputs
General Description
The LCX16245 contains sixteen non-inverting bidirectional
buffers with 3-STATE outputs and is intended for bus oriented
applications. The device is designed for low voltage
(2.5V or 3.3V) VCC applications with capability of interfacing
to a 5V signal environment. The device is byte controlled.
Each byte has separate control inputs which could
be shorted together for full 16-bit operation. The T/R inputs
determine the direction of data flow through the device.
The OE inputs disable both the A and B ports by placing
them in a high impedance state.
The LCX16245 is fabricated with an advanced CMOS technology
to achieve high speed operation while maintaining
CMOS low power dissipation.
Features
5V tolerant inputs and outputs
2.3V–3.6V VCC specifications provided
4.5 ns tPD max (VCC 3.3V), 20 PA ICC max
Power down high impedance inputs and outputs
Supports live insertion/withdrawal (Note 1)
r24 mA output drive (VCC 3.0V)
Uses patented noise/EMI reduction circuitry
Latch-up performance exceeds 500 mA
ESD performance:
Human body model ! 2000V
Machine model ! 200V
Also packaged in plastic Fine-Pitch Ball Grid Array
(FBGA)
Note 1: To ensure the high-impedance state during power up or down, OE
should be tied to VCC through a pull-up resistor: the minimum value or the
resistor is determined by the current-sourcing capability of the driver.
Ordering Code:
Note 2: Ordering code “G” indicates Trays.
Note 3: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Order Number Package Number Package Description
74LCX16245G
(Note 2)(Note 3)
BGA54A 54-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
74LCX16245MEA
(Note 3)
MS48A 48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300" Wide
74LCX16245MTD
(Note 3)
MTD48 48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
