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부품번호 | MC74ACT374 기능 |
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기능 | Octal D-Type Flip-Flop | ||
제조업체 | ON Semiconductor | ||
로고 | |||
전체 10 페이지수
MC74AC374, MC74ACT374
Octal D-Type Flip-Flop with
3-State Outputs
The MC74AC374/74ACT374 is a high−speed, low−power octal
D−type flip−flop featuring separate D−type inputs for each flip−flop
and 3−state outputs for bus−oriented applications. A buffered Clock
(CP) and Output Enable (OE) are common to all flip−flops.
Features
• Buffered Positive Edge−Triggered Clock
• 3−State Outputs for Bus−Oriented Applications
• Outputs Source/Sink 24 mA
• See MC74AC273 for Reset Version
• See MC74AC377 for Clock Enable Version
• See MC74AC373 for Transparent Latch Version
• See MC74AC574 for Broadside Pinout Version
• See MC74AC564 for Broadside Pinout Version with Inverted
Outputs
• ′ACT374 Has TTL Compatible Inputs
• These are Pb−Free Devices
VCC O7 D7 D6 O6 O5 D5 D4 O4 CP
20 19 18 17 16 15 14 13 12 11
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SOIC−20W
DW SUFFIX
CASE 751D
1
TSSOP−20
DT SUFFIX
CASE 948E
1
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 6 of this data sheet.
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)
PIN ASSIGNMENT
PIN FUNCTION
D0−D7
CP
Data Inputs
Clock Pulse Input
OE 3−State Output Enable Input
O0−O7
3−State Outputs
D0 D1 D2 D3 D4 D5 D6 D7
CP
OE
O0 O1 O2 O3 O4 O5 O6 O7
Figure 2. Logic Symbol
© Semiconductor Components Industries, LLC, 2015
March, 2015 − Rev. 9
1
Publication Order Number:
MC74AC374/D
MC74AC374, MC74ACT374
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 Unit
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
V
3.0 1.5
0.9
4.5 2.25 1.35
5.5 2.75 1.65
0.9
1.35
1.65
V
3.0 2.99
4.5 4.49
5.5 5.49
2.9
4.4
5.4
2.9
4.4
5.4
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
IOHD
†Minimum Dynamic
Output Current
5.5 −
5.5 −
−
−
75
−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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4
4페이지 MC74AC374, MC74ACT374
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 CP
Hold Time, HIGH or LOW
th Dn to CP
CP Pulse Width
tw HIGH or LOW
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
5.0 1.0
5.0 0
5.0 2.5
5.0
1.5
5.0
5.5
1.5
5.0
Fig.
Unit
No.
ns 3−9
ns 3−9
ns 3−6
CAPACITANCE
Symbol
Parameter
CIN Input Capacitance
CPD Power Dissipation Capacitance
Value
Typ
4.5
80
MARKING DIAGRAMS
Unit
pF
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
SOIC−20W
20
AC374
AWLYYWWG
1
TSSOP−20
20
AC
374
ALYWG
G
1
20
ACT374
AWLYYWWG
1
20
ACT
374
ALYWG
G
1
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
G or G = Pb−Free Package
(Note: Microdot may be in either location)
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부품번호 | 상세설명 및 기능 | 제조사 |
MC74ACT373 | Octal Transparent Latch | ON Semiconductor |
MC74ACT374 | OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS | Motorola Semiconductors |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |