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is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.74LCXH245 Low Voltage Bidirectional Transceiver with Bushold
October 2000
Revised September 2001
74LCXH245
Low Voltage Bidirectional Transceiver with Bushold
General Description Features
The LCXH245 contains eight non-inverting bidirectional 5V tolerant control inputs
buffers with 3-STATE outputs and is intended for bus ori-
2.3V3.6V V specifications provided
CC
ented applications. The device is designed for low voltage
7.0 ns t max (V = 3.3V), 10 A I max
PD CC CC
(2.5V and 3.3V) V applications. The T/R input deter-
CC
Power down high impedance outputs
mines the direction of data flow through the device. The OE
input disables both the A and B ports by placing them in a
24 mA output drive (V = 3.0V)
CC
high impedance state.
Implements patented noise/EMI reduction circuitry
The LCXH245 is fabricated with an advanced CMOS tech-
Latch-up performance exceeds 500 mA
nology to achieve high speed operation while maintaining
Bushold on inputs eliminates the need for external
CMOS low power dissipation. The LCXH16244 data inputs
pull-up/pull-down resistors
include active bushold circuitry, eliminating the need for
external pull-up resistors to hold unused or floating data ESD performance:
inputs at a valid logic level.
Human body model > 2000V
Machine model > 200V
Ordering Code:
Order Number Package Number Package Description
74LCXH245WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
74LCXH245SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74LCXH245MSA MSA20 20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
74LCXH245MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter X to the ordering code.
Logic Symbol Connection Diagram
Pin Descriptions
Pin Names Description
OE Output Enable Input
T/R Transmit/Receive Input
A A Side A Inputs or 3-STATE Outputs (Bushold)
0 7
B B Side B Inputs or 3-STATE Outputs (Bushold)
0 7
GTO is a trademark of Fairchild Semiconductor Corporation.
2001 Fairchild Semiconductor Corporation DS500363 www.fairchildsemi.com