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CD74HCT242 Datasheet(Fiches technique) 2 Page - Texas Instruments

Numéro de pièce CD74HCT242
Description  High Speed CMOS Logic Quad-Bus Transceiver with Three-State Outputs
Télécharger  7 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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 2 page
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2
Functional Diagrams
CD74HCT242
CD74HC243, CD74HC243
DIRECTION
SELECT LOGIC
A0
A1
A2
A3
OEB
OEA
3
4
5
6
1
13
11
10
9
8
B0
B1
B2
B3
DIRECTION
SELECT LOGIC
A0
A1
A2
A3
OEB
OEA
3
4
5
6
1
13
11
10
9
8
B0
B1
B2
B3
TRUTH TABLE
CONTROL INPUTS
HCT242 SERIES
HC, HCT243 SERIES
DATA PORT STATUS
DATA PORT STATUS
OEB
OEA
An
Bn
An
Bn
HH
OIOI
L
H
ZZZZ
H
L
ZZZZ
LL
I
OIO
NOTE:
H = High Voltage Level
L = Low Voltage Level
I = Input
O = Output (Same Level as Input)
O = Output (Inversion of Input Level)
Z = High Impedance
To prevent excess currents in the High Z modes all I/O terminals should be terminated with 10k
Ω to 1MΩ resistors.
CD74HCT242, CD74HC243, CD74HCT243




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Numéro de composants électroniques

Numéro de pièceDescription des composantsHtml ViewFabricant
CD74HC257High Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs 1 2 3 4 5 MoreTexas Instruments
CD54HC243High-Speed CMOS Logic Quad-Bus Transceiver with Three-State Outputs 1 2 3 4 5 MoreTexas Instruments
CD74HC533High Speed CMOS Logic Octal Inverting Transparent Latch Three-State Outputs 1 2 3 4 5 MoreTexas Instruments
CD74HC4017High Speed CMOS Logic Decade Counter/Divider with 10 Decoded Outputs 1 2 3 4 5 MoreTexas Instruments
CD74HC640High Speed CMOS Logic Octal Three-State Bus Transceiver Inverting 1 2 3 4 5 MoreTexas Instruments
CD54HC245High Speed CMOS Logic Octal-Bus Transceiver Three-State Non-Inverting 1 2 3 4 5 MoreTexas Instruments
CD74HC123High Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Resets 1 2 3 4 5 MoreHarris Corporation
CD74HC03High Speed CMOS Logic Quad 2-Input NAND Gate with Open Drain 1 2 3 4 5 MoreTexas Instruments
CD74HC273High Speed CMOS Logic Octal D-Type Flip-Flop with Reset 1 2 3 4 5 MoreTexas Instruments
CD54HCT257High-Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs 1 2 3 4 5 MoreTexas Instruments

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