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MC74VHCT574A Datasheet(PDF) 1 Page - ON Semiconductor

Part No. MC74VHCT574A
Description  Octal D-Type Flip-Flop with 3-State Output
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

MC74VHCT574A Datasheet(HTML) 1 Page - ON Semiconductor

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
1
REV 0
© Motorola, Inc. 1997
6/97
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 3.3V to 5.0V, because it has full 5V CMOS
level output swings.
The VHCT574A input and output (when disabled) structures provide
protection when voltages between 0V and 5.5V 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.
• High Speed: fmax = 140MHz (Typ) at VCC = 5V
• Low Power Dissipation: ICC = 4µA (Max) at TA = 25°C
• TTL–Compatible Inputs: VIL = 0.8V; VIH = 2.0V
• Power Down Protection Provided on Inputs and Outputs
• Balanced Propagation Delays
• Designed for 4.5V to 5.5V Operating Range
• Low Noise: VOLP = 1.6V (Max)
• Pin and Function Compatible with Other Standard Logic Families
• Latchup Performance Exceeds 300mA
• ESD Performance: HBM > 2000V; Machine Model > 200V
• Chip Complexity: 286 FETs or 71.5 Equivalent Gates
LOGIC DIAGRAM
DATA
INPUTS
D0
D1
D2
D3
D4
D5
D6
D7
9
8
7
6
5
4
3
2
1
OE
12
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
13
14
15
16
17
18
19
NONINVERTING
OUTPUTS
11
CP
OE
CP
Q
L
L
L
H
L, H,
X
H
L
No Change
Z
INPUTS
OUTPUT
FUNCTION TABLE
D
H
L
X
X
MC74VHCT574A
PIN ASSIGNMENT
D4
D2
D1
D0
OE
GND
D7
D6
D5
D3
5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
11
12
13
Q3
Q2
Q1
Q0
VCC
CP
Q7
Q6
Q5
Q4
DW SUFFIX
20–LEAD SOIC PACKAGE
CASE 751D–04
ORDERING INFORMATION
MC74VHCTXXXADW
MC74VHCTXXXADT
MC74VHCTXXXAM
SOIC
TSSOP
SOIC EIAJ
DT SUFFIX
20–LEAD TSSOP PACKAGE
CASE 948E–02
M SUFFIX
20–LEAD SOIC EIAJ PACKAGE
CASE 967–01


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