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74LCXH322245GX Datasheet

  • 74LCXH322245GX

  • Quad 8-bit Bus Transceiver

  • 9頁(yè)

  • ETC

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Preliminary
74LCXH322245 Low Voltage 32-Bit Bidirectional Transceiver with 5V Tolerant Inputs and Outputs and 26鈩?Series
Resistors in A Outputs (Preliminary)
August 2001
Revised August 2001
74LCXH322245
Low Voltage 32-Bit Bidirectional Transceiver
with 5V Tolerant Inputs and Outputs
and 26
鈩?/div>
Series Resistors in A Outputs (Preliminary)
General Description
The LCXH322245 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) V
CC
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 26
鈩?/div>
series
resistor in the A Port output helps reduce output overshoot
and undershoot.
The LCXH322245 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing CMOS low power dissipation.
Features
s
5V tolerant control inputs
s
2.3V鈥?.6V V
CC
specifications provided
s
4.5 ns t
PD
max (V
CC
=
3.3V), 20
碌
A I
CC
max
s
Power down high impedance outputs
s
Equivalent 26
鈩?/div>
series resistor on A Port outputs
s
Bushold on inputs eliminates the need for external
pull-up/pull-down resistors
s
鹵
24 mA output drive B Port (V
CC
=
3.0V)
s
Implements 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)
(Preliminary)
Ordering Code:
Order Number
74LCXH322245GX
(Note 1)
Package
Number
BGA96A
(Preliminary)
Package Description
96-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
[TAPE and REEL]
Note 1:
BGA package available in Tape and Reel only.
Logic Symbol
漏 2001 Fairchild Semiconductor Corporation
DS500593
www.fairchildsemi.com

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