74ALVCH245WMX Fairchild Semiconductor, 74ALVCH245WMX Datasheet

IC TRANSCEIVER 8BIT N-INV 20SOIC

74ALVCH245WMX

Manufacturer Part Number
74ALVCH245WMX
Description
IC TRANSCEIVER 8BIT N-INV 20SOIC
Manufacturer
Fairchild Semiconductor
Series
74ALVCHr
Datasheet

Specifications of 74ALVCH245WMX

Logic Type
Transceiver, Non-Inverting
Number Of Elements
1
Number Of Bits Per Element
8
Current - Output High, Low
24mA, 24mA
Voltage - Supply
1.65 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
© 2002 Fairchild Semiconductor Corporation
74ALVCH245WM
74ALVCH245MTC
74ALVCH245
Low Voltage Bidirectional Transceiver with Bushold
General Description
The ALVCH245 contains eight non-inverting bidirectional
buffers with 3-STATE outputs and is intended for bus ori-
ented applications. The T/R input determines the direction
of data flow. The OE input disables both the A and B Ports
by placing them in a high impedance state. The ALVCH245
data inputs include active bushold circuitry, eliminating the
need for external pull-up resistors to hold unused or float-
ing data inputs at a valid logic level.
The 74ALVCH245 is designed for low voltage (1.65V to
3.6V) V
The 74ALVCH245 is fabricated with an advanced CMOS
technology to achieve high-speed operation while main-
taining low CMOS power dissipation.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Quiet Series
Order Number
CC
applications.
is a trademark of Fairchild Semiconductor Corporation.
Package Number
MTC20
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
DS500648
Features
Pin Descriptions
1.65V to 3.6V V
Bushold on data inputs eliminates the need for external
pull-up/pull-down resistors
t
Uses patented Quiet Series noise/EMI reduction
Latchup conforms to JEDEC JED78
ESD performance:
Pin Names
PD
3.6 ns max for 3.0V to 3.6V V
4.2 ns max for 2.3V to 2.7V V
6 ns max for 1.65V to 1.95V V
circuitry
Human body model
Machine model
A
B
T/R
OE
0
0
Package Description
–A
–B
7
7
Output Enable Input (Active LOW)
Transmit/Receive Input
Side A Bushold Inputs or 3-STATE Outputs
Side B Bushold Inputs or 3-STATE Outputs
CC
supply operation
200V
2000V
September 2001
Revised February 2002
Description
CC
CC
CC
www.fairchildsemi.com

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74ALVCH245WMX Summary of contents

Page 1

... 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 Quiet Series is a trademark of Fairchild Semiconductor Corporation. © 2002 Fairchild Semiconductor Corporation Features 1.65V to 3.6V V ...

Page 2

Connection Diagram Logic Diagram www.fairchildsemi.com Truth Table Inputs Outputs OE T Bus B –B Data to Bus Bus A –A Data to Bus HIGH Z State on A ...

Page 3

Absolute Maximum Ratings Supply Voltage ( Input Voltage ( Output Voltage (V ) (Note 2) 0. Input Diode Current ( Output Diode Current (I ) ...

Page 4

AC Electrical Characteristics Symbol Parameter V CC Min Propagation Delay 1.3 PHL PLH Output Enable Time 1.6 PZL PZH Output Disable Time 1.7 PLZ PHZ Capacitance Symbol Parameter C Input Capacitance ...

Page 5

AC Loading and Waveforms FIGURE 1. AC Test Circuit (Input Characteristics: f Symbol 3. FIGURE 2. Waveform for Inverting and Non-inverting Functions ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide www.fairchildsemi.com Package Number M20B 6 ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves ...

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