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74LCX16245MTD Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer 74LCX16245MTD
Beschreibung Low Voltage 16-Bit Bidirectional Transceiver with 5V Tolerant Inputs and Outputs
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 8 Seiten
74LCX16245MTD Datasheet, Funktion
February 1994
Revised April 2000
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 ori-
ented applications. The device is designed for low voltage
(2.5V or 3.3V) VCC applications with capability of interfac-
ing to a 5V signal environment. The device is byte con-
trolled. 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 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 Implements patented noise/EMI reduction circuitry
s Latch-up performance exceeds 500 mA
s ESD performance:
Human body model > 2000V
Machine model > 200V
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
74LCX16245MEA
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300Wide
74LCX16245MTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter Xto the ordering code.
Logic Symbol
Pin Descriptions
Pin Names
Description
OEn
T/Rn
A0A15
B0B15
Output Enable Input
Transmit/Receive Input
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
© 2000 Fairchild Semiconductor Corporation DS012001
www.fairchildsemi.com






74LCX16245MTD Datasheet, Funktion
Schematic Diagram Generic for LCX Family
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