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HD74BC540A PDF даташит

Спецификация HD74BC540A изготовлена ​​​​«Hitachi Semiconductor» и имеет функцию, называемую «Octal Buffers/Line Drivers With 3 State Outputs».

Детали детали

Номер произв HD74BC540A
Описание Octal Buffers/Line Drivers With 3 State Outputs
Производители Hitachi Semiconductor
логотип Hitachi Semiconductor логотип 

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HD74BC540A Даташит, Описание, Даташиты
HD74BC540A
Octal Buffers/Line Drivers With 3 State Outputs
ADE-205-031 (Z)
Rev. 0
June 1993
Description
The HD74BC540A provides high drivability and operation equal to or better than high speed bipolar
standard logic IC by using Bi-CMOS process. The device features low power dissipation that is about 1/5
of high speed bipolar logic IC, when the frequency is 10 MHz. The device has eight inverter drivers with
three state outputs in a 20 pin package. When G1 and G2 is low level, this drivers set up output is enable.
Features
Input/Output are at high impedance state when power supply is off.
Built in input pull up circuit can make input pins be open, when not used.
Input is TTL level.
Wide operating temperature range
Ta = –40 to +85°C
Function Table
Inputs
G1 G2
LL
LL
HX
XH
H : High level
L : Low level
X : Immaterial
Z : High impedance
A
L
H
X
X
Output Y
H
L
Z
Z









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HD74BC540A Даташит, Описание, Даташиты
HD74BC540A
Pin Arrangement
G1
A1
A2
A3
A4
A5
A6
A7
A8
GND
1
2
3
4
5
6
7
8
9
10
20 VCC
19 G2
18 Y1
17 Y2
16 Y3
15 Y4
14 Y5
13 Y6
12 Y7
11 Y8
(Top view)
Absolute Maximum Ratings
Item
Symbol
Rating
Unit
Supply voltage
Input diode current
Input voltage
Output voltage
Off state output voltage
Storage temperature
VCC
I IK
VIN
VOUT
VOUT(off)
Tstg
–0.5 to +7.0
±30
–0.5 to +7.5
–0.5 to +7.5
–0.5 to +5.5
–65 to +150
V
mA
V
V
V
°C
Note: 1. The absolute maximum ratings are values which must not individually be exceeded, and
furthermore, no two of which may be realized at the same time.
2









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HD74BC540A Даташит, Описание, Даташиты
Recommended Operating Conditions
Item
Symbol
Min
Typ
Supply voltage
Input voltage
Ouput voltage
Operating temperature
VCC
VIN
VOUT
Topr
4.5
0
0
–40
5.0
Input rise/fall time*1
tr , tf
0
Note: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Max
5.5
VCC
VCC
85
8
HD74BC540A
Unit
V
V
V
°C
ns/V
Logic Diagram
G1
G2
A1
A2
A3
A4
A5
A6
A7
A8
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
3










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Номер в каталогеОписаниеПроизводители
HD74BC540AOctal Buffers/Line Drivers With 3 State OutputsHitachi Semiconductor
Hitachi Semiconductor

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