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PDF MC74AC374 Data sheet ( Hoja de datos )
| Número de pieza | MC74AC374 | |
| Descripción | Octal D-Type Flip-Flop | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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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
www.onsemi.com
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
1 page  
MC74AC374, MC74ACT374
AC CHARACTERISTICS (For Figures and Waveforms − See AND8277/D at www.onsemi.com)
74AC
74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
CL = 50 pF
Min Typ Max Min Max
Maximum Clock
fmax Frequency
3.3 60
110
−
60
−
5.0 100
155
−
100
−
tPLH
tPHL
tPZH
Propagation Delay
CP to On
Propagation Delay
CP to On
Output Enable Time
3.3 3.0
5.0 2.5
3.3 2.5
5.0 2.0
3.3 3.0
5.0 2.0
11 13.5 1.5 15.5
8.0 9.5 1.5 10.5
10 12.5 2.0
7.0 9.0 1.5
14
10
9.5 11.5 1.5
7.0 8.5 1.0
13
9.5
tPZL Output Enable Time
3.3 2.5
5.0 2.0
9.0 11.5 1.5
6.5 8.5 1.0
13
9.5
tPHZ
Output Disable Time
3.3 3.0 10.5 12.5 2.0 14.5
5.0 2.0
8.0
11
2.0 12.5
tPLZ Output Disable Time
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
3.3 2.0
5.0 1.5
8.0 11.5 1.0 12.5
6.5 8.5 1.0 10
Unit
MHz
ns
ns
ns
ns
ns
ns
AC OPERATING REQUIREMENTS
Symbol
Parameter
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 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
VCC*
(V)
3.3
5.0
3.3
5.0
3.3
5.0
74AC
74AC
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
CL = 50 pF
Typ Guaranteed Minimum
2.0 5.5
1.0 4.0
6.0
4.5
−1.0 1.0
0 1.5
1.0
1.5
4.0 5.5
2.5 4.0
6.0
4.5
Unit
ns
ns
ns
Fig.
No.
3−3
3−6
3−6
3−7
3−8
3−7
3−8
Fig.
No.
3−9
3−9
3−6
www.onsemi.com
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MC74AC374.PDF ] | |
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