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PDF MC74AC573 Data sheet ( Hoja de datos )
| Número de pieza | MC74AC573 | |
| Descripción | Octal Buffer/Line Driver | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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MC74AC573, MC74ACT573
Octal Buffer/Line Driver
with 3-State Outputs
The MC74AC573/74ACT573 is a high−speed octal latch with
buffered common Latch Enable (LE) and buffered common Output
Enable (OE) inputs.
The MC74AC573/74ACT573 is functionally identical to the
MC74AC373/74ACT373 but has inputs and outputs on opposite sides.
Features
• Inputs and Outputs on Opposite Sides of Package Allowing Easy
Interface with Microprocessors
• Useful as Input or Output Port for Microprocessors
• Functionally Identical to MC74AC373/74ACT373
• 3−State Outputs for Bus Interfacing
• Outputs Source/Sink 24 mA
• ′ACT573 Has TTL Compatible Inputs
• These are Pb−Free Devices
VCC O0 O1 O2 O3 O4 O5 O6 O7 LE
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
OE D0 D1 D2 D3 D4 D5 D6 D7 GND
Figure 1. Pinout 20−Lead Packages Conductors
(Top View)
PIN ASSIGNMENT
PIN FUNCTION
D0−D7
LE
Data Inputs
Latch Enable Input
OE 3−State Output Enable Input
O0−O7
3−State Latch Outputs
www.onsemi.com
20
1
SO−20
DW SUFFIX
CASE 751D
MARKING
DIAGRAM
xxx573
AWLYYWWG
20
1
TSSOP−20
DT SUFFIX
CASE 948E
xxx
573
ALYW G
G
xxx = AC or ACT
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)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
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
March, 2015 − Rev. 8
1
Publication Order Number:
MC74AC573/D
1 page  
MC74AC573, MC74ACT573
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3)
74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
tPLH
tPHL
tPLH
tPHL
tPZH
Propagation Delay
Dn to On
Propagation Delay
Dn to On
Propagation Delay
LE to On
Propagation Delay
LE to On
Output Enable Time
tPZL Output Enable Time
tPHZ
Output Disable Time
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.
Min Typ Max
3.3 2.5
5.0 2.5
− 13.0
− 10.0
3.3 2.5
5.0 2.5
− 12.0
− 9.5
3.3 2.5
5.0 2.5
− 13.0
− 9.5
3.3 2.5
5.0 2.5
− 12.0
− 8.5
3.3 2.5
5.0 2.5
− 11.0
− 9.0
3.3 2.5
5.0 2.5
− 11.0
− 8.5
3.3 2.5
5.0 2.5
− 12.5
− 11.0
3.3 2.5 − 9.5
5.0 2.5 − 8.0
74AC
TA = −40°C
to +85°C
CL = 50 pF
Min Max
2.0 15.0
2.0 11.5
2.0 14.0
2.0 11.0
2.0 15.0
2.0 11.0
2.0 14.0
2.0 10.0
2.0 12.0
2.0 10.0
2.0 12.5
2.0 9.5
2.0 13.5
2.0 12.0
2.0 10.5
2.0 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
AC OPERATING REQUIREMENTS
Symbol
Parameter
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 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
− 3.5
− 3.0
4.0
3.5
− 2.0
− 2.0
2.0
2.0
− 6.0
− 4.0
7.0
5.0
Unit
ns
ns
ns
Fig.
No.
3−9
3−9
3−6
www.onsemi.com
5
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MC74AC573.PDF ] | |
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