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MC74ACT258 데이터시트 PDF




Motorola Semiconductors에서 제조한 전자 부품 MC74ACT258은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 MC74ACT258 기능
기능 QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
제조업체 Motorola Semiconductors
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MC74ACT258 데이터시트, 핀배열, 회로
( DataSheet : www.DataSheet4U.com )
MC74AC258
MC74ACT258
Quad 2ĆInput Multiplexer
with 3ĆState Outputs
The MC74AC258/74ACT258 is a quad 2-input multiplexer with 3-state outputs.
Four bits of data from two sources can be selected using a common data select
input. The four outputs present the selected data in the complement (inverted)
form. The outputs may be switched to a high impedance state with a HIGH on the
common Output Enable (OE) input, allowing the outputs to interface directly with
bus-oriented systems.
Multiplexer Expansion by Tying Outputs Together
Inverting 3-State Outputs
Outputs Source/Sink 24 mA
• ′ACT258 Has TTL Compatible Inputs
VCC OE I0c I1c Zc I0d I1d Zd
16 15 14 13 12 11 10 9
QUAD 2-INPUT
MULTIPLEXER WITH
3-STATE OUTPUTS
N SUFFIX
CASE 648-08
PLASTIC
12345678
S I0a I1a Za I0b I1b Zb GND
PIN NAMES
S
OE
I0a–I0d
I1a–I1d
Za–Zd
Common Data Select Input
3-State Output Enable Input
Data Inputs from Source 0
Data Inputs from Source 1
3-State Multiplexer Outputs
TRUTH TABLE
Output
Enable
Select
Input
OE S
HX
LH
LH
LL
LL
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Data
Inputs
I0 I1
XX
XL
XH
LX
HX
Outputs
Z
Z
H
L
H
L
D SUFFIX
CASE 751B-05
PLASTIC
LOGIC SYMBOL
OE I0a I1a I0b I1b I0c I1c I0d I1d
S
Za Zb Zc Zd
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FACT DATA
5-1
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MC74ACT258 pdf, 반도체, 판매, 대치품
MC74AC258 MC74ACT258
DC CHARACTERISTICS
Symbol
Parameter
VIH
VIL
VOH
Minimum High Level
Input Voltage
Maximum Low Level
Input Voltage
Minimum High Level
Output Voltage
VCC
(V)
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
74AC
74AC
TA = +25°C
TA =
–40°C to +85°C
Typ Guaranteed Limits
1.5 2.1
2.25 3.15
2.75 3.85
2.1
3.15
3.85
1.5 0.9
2.25 1.35
2.75 1.65
0.9
1.35
1.65
2.99 2.9
4.49 4.4
5.49 5.4
2.9
4.4
5.4
VOL
Maximum Low Level
Output Voltage
3.0 2.56
4.5 3.86
5.5 4.86
3.0 0.002 0.1
4.5 0.001 0.1
5.5 0.001 0.1
2.46
3.76
4.76
0.1
0.1
0.1
IIN Maximum Input
Leakage Current
3.0 0.36 0.44
4.5 0.36 0.44
5.5 0.36 0.44
5.5 ±0.1 ±1.0
IOZ Maximum
3-State
Current
5.5 ±0.5 ±5.0
IOLD
IOHD
ICC
†Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
5.5 75
5.5 –75
5.5 8.0 80
* All outputs loaded; thresholds on input associated with output under test.
† Maximum test duration 2.0 ms, one output loaded at a time.
Note: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
Unit
V
V
V
V
V
V
µA
µA
mA
mA
µA
Conditions
VOUT = 0.1 V
or VCC – 0.1 V
VOUT = 0.1 V
or VCC – 0.1 V
IOUT = –50 µA
*VIN = VIL or VIH
–12 mA
IOH –24 mA
–24 mA
IOUT = 50 µA
*VIN = VIL or VIH
12 mA
IOL 24 mA
24 mA
VI = VCC, GND
VI (OE) = VIL, VIH
VI = VCC, GND
VO = VCC, GND
VOLD = 1.65 V Max
VOHD = 3.85 V Min
VIN = VCC or GND
FACT DATA
5-4

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MC74ACT258 전자부품, 판매, 대치품
MC74AC258 MC74ACT258
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74ACT
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
tPLH
Propagation Delay
In to Zn
tPHL
Propagation Delay
In to Zn
tPLH
Propagation Delay
S to Zn
tPHL
Propagation Delay
S to Zn
tPZH
Output Enable Time
tPZL
Output Enable Time
tPHZ
Output Disable Time
tPLZ
Output Disable Time
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
Min Typ Max
5.0 2.0 6.5 8.5
5.0 2.0 5.5 7.5
5.0 3.0 7.5 10.5
5.0 1.5 7.0 9.5
5.0 2.0 6.5 8.5
5.0 2.0 6.5 8.5
5.0 1.5 7.0 9.0
5.0 2.0 6.0 8.0
74ACT
TA = –40°C
to +85°C
CL = 50 pF
Min Max
1.5 9.5
1.5 8.0
2.0 11.5
1.5 11.0
1.5 9.5
1.5 9.5
1.0 10.0
1.5 9.0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
Fig.
No.
3-5
3-5
3-6
3-6
3-7
3-8
3-7
3-8
CAPACITANCE
Symbol
Parameter
CIN
CPD
Input Capacitance
Power Dissipation Capacitance
Value
Typ
4.5
55
Unit
pF
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
FACT DATA
5-7

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