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PDF MC74VHCT574A Data sheet ( Hoja de datos )
| Número de pieza | MC74VHCT574A | |
| Descripción | Octal D-Type Flip-Flop | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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MC74VHCT574A
Octal D−Type Flip−Flop
with 3−State Output
The MC74VHCT574A is an advanced high speed CMOS octal
flip−flop with 3−state output fabricated with silicon gate CMOS
technology. It achieves high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining CMOS low power
dissipation.
This 8−bit D−type flip−flop is controlled by a clock input and an
output enable input. When the output enable input is high, the eight
outputs are in a high impedance state.
The VHCT inputs are compatible with TTL levels. This device can
be used as a level converter for interfacing 3.3 V to 5.0 V, because it
has full 5.0 V CMOS level output swings.
The VHCT574A input and output (when disabled) structures
provide protection when voltages between 0 V and 5.5 V are applied,
regardless of the supply voltage. These input and output structures
help prevent device destruction caused by supply
voltage−input/output voltage mismatch, battery backup, hot insertion,
etc.
Features
• High Speed: fmax = 140 MHz (Typ) at VCC = 5.0 V
• Low Power Dissipation: ICC = 4 mA (Max) at TA = 25°C
• TTL−Compatible Inputs: VIL = 0.8 V; VIH = 2.0 V www.DataSheet4U.com
• Power Down Protection Provided on Inputs and Outputs
• Balanced Propagation Delays
• Designed for 4.5 V to 5.5 V Operating Range
• Low Noise: VOLP = 1.6 V (Max)
• Pin and Function Compatible with Other Standard Logic Families
• Latchup Performance Exceeds 300 mA
• ESD Performance:
Human Body Model > 2000 V;
Machine Model > 200 V
• Chip Complexity: 286 FETs or 71.5 Equivalent Gates
• Pb−Free Packages are Available*
http://onsemi.com
MARKING
DIAGRAMS
20
VHCT574A
1 SOIC−20WB
SUFFIX DW
AWLYYWWG
CASE 751D 1
20
1 TSSOP−20
SUFFIX DT
CASE 948E
1
VHCT
574A
ALYWG
G
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)
FUNCTION TABLE
INPUTS
OUTPUT
OE CP
D
Q
L HH
L LL
L L, H, X No Change
HXX
Z
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 4 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2006
January, 2006 − Rev. 4
1
Publication Order Number:
MC74VHCT574A/D
1 page  
MC74VHCT574A
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
*Includes all probe and jig capacitance
Figure 6. Test Circuit
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
1 kW
CL*
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
*Includes all probe and jig capacitance
Figure 7. Test Circuit
D0 2
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
D7 9
CQ
D
C
DQ
CQ
D
CQ
D
CQ
D
C
D
Q
CQ
D
CQ
D
19 Q0
18 Q1
17 Q2
16 Q3
15 Q4
14 Q5
13 Q6
12 Q7
CP 11
OE 1
Figure 8. Expanded Logic Diagram
http://onsemi.com
5
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| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet MC74VHCT574A.PDF ] | |
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