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74ALVCH2245 Datasheet

  • 74ALVCH2245

  • Low Voltage Bidirectional Transceiver with Bushold

  • 86.07KB

  • fairchild

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74ALVCH2245 Low Voltage Bidirectional Transceiver with Bushold
January 2002
Revised January 2002
74ALVCH2245
Low Voltage Bidirectional Transceiver with Bushold
and 26
鈩?/div>
Series Resistors in B Outputs
General Description
The ALVCH2245 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
ALVCH2245 data inputs include active bushold circuitry,
eliminating the need for external pull-up resistors to hold
unused or floating data inputs at a valid logic level.
The 74ALVCH2245 is designed for low voltage (1.65V to
3.6V) V
CC
applications. The ALVCH2245 is also designed
with 26
鈩?/div>
series resistance in the B Port outputs. This
design reduces line noise in applications such as memory
address drivers, clock drivers, and bus transceivers trans-
mitters
The 74ALVCH2245 is fabricated with an advanced CMOS
technology to achieve high-speed operation while main-
taining low CMOS power dissipation.
Features
s
1.65V to 3.6V V
CC
supply operation
s
3.6V tolerant control inputs
s
Bushold on data inputs eliminates the need for external
pull-up/pull-down resistors
s
26
鈩?/div>
series resistors in B Port outputs
s
t
PD
(A to B)
4.9 ns max for 3.0V to 3.6V V
CC
6.1 ns max for 2.3V to 2.7V V
CC
9.8 ns max for 1.65V to 1.95V V
CC
s
Uses patented Quiet Series
錚?/div>
noise/EMI reduction
circuitry
s
Latchup conforms to JEDEC JED78
s
ESD performance:
Human body model
>
2000V
Machine model
>
200V
Ordering Code:
Order Number
74ALVCH2245WM
74ALVCH2245MTC
Package Number
M20B
MTC20
Package Description
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
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
Logic Symbol
Connection Diagram
Quiet Series錚?is a trademark of Fairchild Semiconductor Corporation.
漏 2002 Fairchild Semiconductor Corporation
ds500716
www.fairchildsemi.com

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