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MC74ACT373 데이터시트 PDF




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광범위하게 사용되는 반도체 소자입니다.


 

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기능 Octal Transparent Latch
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MC74ACT373 데이터시트, 핀배열, 회로
MC74AC373, MC74ACT373
Octal Transparent Latch
with 3-State Outputs
The MC74AC373/74ACT373 consists of eight latches with 3−state
outputs for bus organized system applications. The flip−flops appear
transparent to the data when Latch Enable (LE) is HIGH. When LE is
LOW, the data that meets the setup time is latched. Data appears on the
bus when the Output Enable (OE) is LOW. When OE is HIGH, the bus
output is in the high impedance state.
Features
Eight Latches in a Single Package
3−State Outputs for Bus Interfacing
Outputs Source/Sink 24 mA
ACT373 Has TTL Compatible Inputs
These are Pb−Free Devices
VCC O7 D7 D6 O6 O5 D5 D4 O4 LE
20 19 18 17 16 15 14 13 12 11
www.onsemi.com
SOIC−20W
DW SUFFIX
CASE 751D
1
TSSOP−20
DT SUFFIX
CASE 948E
1
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
1 2 3 4 5 6 7 8 9 10
OE O0 D0 D1 O1 O2 D2 D3 O3 GND
Figure 1. Pinout: 20−Lead Packages Conductors
(Top View)
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 9 of this data sheet.
PIN ASSIGNMENT
PIN FUNCTION
D0−D7
LE
Data Inputs
Latch Enable Input
OE Output Enable Input
O0−O7
3−State Latch Outputs
D0 D1 D2 D3 D4 D5 D6 D7
LE
OE
O0 O1 O2 O3 O4 O5 O6 O7
Figure 2. Logic Symbol
© Semiconductor Components Industries, LLC, 2015
February, 2015 − Rev. 9
1
Publication Order Number:
MC74AC373/D




MC74ACT373 pdf, 반도체, 판매, 대치품
MC74AC373, MC74ACT373
DC CHARACTERISTICS
Symbol
Parameter
VIH Minimum High Level
Input Voltage
VIL Maximum Low Level
Input Voltage
VOH Minimum High Level
Output Voltage
74AC
74AC
VCC
(V)
TA = +25°C
TA =
−40°C to +85°C
Typ Guaranteed Limits
3.0 1.5
2.1
4.5 2.25 3.15
5.5 2.75 3.85
2.1
3.15
3.85
3.0 1.5
0.9
4.5 2.25 1.35
5.5 2.75 1.65
0.9
1.35
1.65
3.0 2.99
4.5 4.49
5.5 5.49
2.9
4.4
5.4
2.9
4.4
5.4
Unit
V
V
V
VOL Maximum Low Level
Output Voltage
3.0 − 2.56
4.5 − 3.86
5.5 − 4.86
3.0 0.002
4.5 0.001
5.5 0.001
0.1
0.1
0.1
2.46
3.76
4.76
0.1
0.1
0.1
V
V
3.0 − 0.36
4.5 − 0.36
5.5 − 0.36
0.44
0.44
0.44
IIN Maximum Input
Leakage Current
5.5 − ±0.1
±1.0
IOZ Maximum
3−State
Current
5.5 − ±0.5
±5.0
IOLD
†Minimum Dynamic
Output Current
5.5 −
75
IOHD
5.5 −
−75
ICC Maximum Quiescent
Supply Current
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.
V
mA
mA
mA
mA
mA
Conditions
VOUT = 0.1 V
or VCC − 0.1 V
VOUT = 0.1 V
or VCC − 0.1 V
IOUT = −50 mA
*VIN = VIL or VIH
−12 mA
IOH −24 mA
−24 mA
IOUT = 50 mA
*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
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MC74ACT373 전자부품, 판매, 대치품
MC74AC373, MC74ACT373
AC CHARACTERISTICS (For Figures and Waveforms − See AND8277/D at www.onsemi.com)
74ACT
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
Propagation Delay
tPLH
Dn to On
Propagation Delay
tPHL
Dn to On
Propagation Delay
tPLH
LE to On
Propagation Delay
tPHL
LE to On
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 2.5 8.5 10
5.0 2.0 8.0 10
5.0 2.5 8.5 11
5.0 2.0 8.0 10
5.0 2.0 8.0 9.5
5.0 2.0 7.5 9.0
5.0 2.5 9.0 11
5.0 1.5 7.5 8.5
74ACT
TA = −40°C
to +85°C
CL = 50 pF
Min Max
1.5 11.5
1.5 11.5
2.0 11.5
1.5 11.5
1.5 10.5
1.5 10.5
2.5 12.5
1.0 10
AC OPERATING REQUIREMENTS (For Figures and Waveforms − See AND8277/D at www.onsemi.com)
74ACT
74ACT
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
CL = 50 pF
Typ Guaranteed Minimum
Setup Time, HIGH or LOW
ts Dn to LE
Hold Time, HIGH or LOW
th Dn to LE
tw LE Pulse Width, HIGH
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
5.0 3.0
5.0 0
5.0 2.0
7.0
0
7.0
8.0
1.0
8.0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
Fig.
No.
3−5
3−5
3−6
3−6
3−7
3−8
3−7
3−8
Fig.
No.
3−9
3−9
3−6
CAPACITANCE
Symbol
Parameter
CIN Input Capacitance
CPD Power Dissipation Capacitance
Value
Typ
4.5
40
Unit
pF
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
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