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Fairchild Semiconductor - Low Voltage 32-Bit Bidirectional Transceiver with 5V Tolerant Inputs and Outputs

Numéro de référence 74LCX32245G
Description Low Voltage 32-Bit Bidirectional Transceiver with 5V Tolerant Inputs and Outputs
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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74LCX32245G fiche technique
November 2001
Revised June 2002
74LCX32245
Low Voltage 32-Bit Bidirectional Transceiver
with 5V Tolerant Inputs and Outputs
General Description
The LCX32245 contains thirty-two non-inverting bidirec-
tional buffers with 3-STATE outputs and is intended for bus
oriented applications. The device is designed for low volt-
age (2.5V or 3.3V) VCC applications with capability of inter-
facing to a 5V signal environment. The device is byte
controlled. Each byte has separate control inputs which
could be shorted together for full 32-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 LCX32245 is fabricated with an advanced CMOS tech-
nology to achieve high speed operation while maintaining
CMOS low power dissipation.
Features
s 5V tolerant inputs and outputs
s 2.3V–3.6V VCC specifications provided
s 4.5 ns tPD max (VCC = 3.3V), 20 µA ICC max
s Power down high impedance inputs and outputs
s Supports live insertion/withdrawal (Note 1)
s ±24 mA output drive (VCC = 3.0V)
s Uses patented noise/EMI reduction circuitry
s Latch-up performance exceeds 500 mA
s ESD performance:
Human body model > 2000V
Machine model > 200V
s 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:
Order Number Package Number
Package Description
74LCX32245G
(Note 2)(Note 3)
BGA96A
96-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
Note 2: Ordering code Gindicates Trays.
Note 3: Devices also available in Tape and Reel. Specify by appending the suffix letter Xto the ordering code.
Logic Symbol
© 2002 Fairchild Semiconductor Corporation DS500428
www.fairchildsemi.com

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