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HD74HC243 PDF даташит

Спецификация HD74HC243 изготовлена ​​​​«Hitachi Semiconductor» и имеет функцию, называемую «Quad. Bus Transceivers (with 3-state outputs)/Quad. Bus Transceivers (with noninverted 3-state outputs)».

Детали детали

Номер произв HD74HC243
Описание Quad. Bus Transceivers (with 3-state outputs)/Quad. Bus Transceivers (with noninverted 3-state outputs)
Производители Hitachi Semiconductor
логотип Hitachi Semiconductor логотип 

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HD74HC243 Даташит, Описание, Даташиты
HD74HC242/HD74HC243
Quad. Bus Transceivers (with 3-state outputs)
Quad. Bus Transceivers (with noninverted 3-state outputs)
Description
The HD74HC242 is an inverting buffer and the HD74HC243 is a noninverting buffer. Each device has one
active high enable (GBA), and one active low enable (GAB). GBA enables the A output and GAB enables
the B outputs. The device does not have schmitt trigger inputs.
Features
High Speed Operation: tpd = 10 ns typ (CL = 50 pF)
High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: VCC = 2 to 6 V
Low Input Current: 1 µA max
Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
Function Table
Control inputs
GAB
GBA
HH
LH
HL
LL
I : Input
O : Output
O : Inverting Output
Z : Hight Impedance
HD74HC242
Data Port Status
AB
OI
ZZ
ZZ
IO
HC74HC243
Data Port Status
AB
OI
ZZ
ZZ
IO









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HD74HC243 Даташит, Описание, Даташиты
HD74HC242/HD74HC243
Pin Arrangement
HD74HC242
HD74HC243
GAB 1
NC 2
1A 3
2A 4
3A 5
4A 6
GND 7
(Top view)
14 VCC
13 GBA
12 NC
11 1B
10 2B
9 3B
8 4B
GAB 1
NC 2
1A 3
2A 4
3A 5
4A 6
GND 7
(Top view)
14 VCC
13 GBA
12 NC
11 1B
10 2B
9 3B
8 4B
2









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HD74HC243 Даташит, Описание, Даташиты
Absolute Maximum Ratings
Item
Supply voltage range
Input voltage
Output voltage
DC current drain per pin
DC current drain per VCC, GND
DC input diode current
DC output diode current
Power Dissipation per package
Storage temperature
Symbol
VCC
VIN
VOUT
I OUT
ICC, IGND
I IK
I OK
PT
Tstg
HD74HC242/HD74HC243
Rating
–0.5 to +7.0
–0.5 to VCC + 0.5
–0.5 to VCC + 0.5
±35
±75
±20
±20
500
–65 to +150
Unit
V
V
V
mA
mA
mA
mA
mW
°C
Logic Diagram
HD74HC242
A
1 of 4
Transceivers
VCC
VCC
GBA
GAB
B
3










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Номер в каталогеОписаниеПроизводители
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HD74HC241Octal Buffers/Line Drivers/Line Receivers(with noninverted 3-state outputs)Hitachi Semiconductor
Hitachi Semiconductor
HD74HC242Quad. Bus Transceivers (with 3-state outputs)/Quad. Bus Transceivers (with noninverted 3-state outputs)Hitachi Semiconductor
Hitachi Semiconductor

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