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MC74HCT273A Datasheet(PDF) 1 Page - Motorola, Inc

Part No. MC74HCT273A
Description  Octal D Flip-Flop with Common Clock and Reset with LSTTL-Compatible Inputs
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MC74HCT273A Datasheet(HTML) 1 Page - Motorola, Inc

   
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
1
REV 7
© Motorola, Inc. 1997
2/97
Octal D Flip-Flop with
Common Clock and Reset
with LSTTL-Compatible Inputs
High–Performance Silicon–Gate CMOS
The MC74HCT273A may be used as a level converter for interfacing TTL
or NMOS outputs to High–Speed CMOS inputs.
The HCT273A is identical in pinout to the LS273.
This device consists of eight D flip–flops with common Clock and Reset
inputs. Each flip–flop is loaded with a low–to–high transition of the Clock
input. Reset is asynchronous and active low.
• Output Drive Capability: 10 LSTTL Loads
• TTL/NMOS Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA
• In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
• Chip Complexity: 284 FETs or 71 Equivalent Gates
LOGIC DIAGRAM
DATA
INPUTS
D0
11
CLOCK
D1
D2
D3
D4
D5
D6
D7
18
17
14
13
8
7
4
3
1
RESET
19
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
16
15
12
9
6
5
2
PIN 20 = VCC
PIN 10 = GND
NONINVERTING
OUTPUTS
MC74HCT273A
PIN ASSIGNMENT
Q2
D1
D0
Q0
RESET
GND
Q3
D3
D2
Q1
5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
11
12
13
Q6
D6
D7
Q7
VCC
CLOCK
Q4
D4
D5
Q5
FUNCTION TABLE
Inputs
Output
Reset
Clock
D
Q
LX
X
L
HH
H
HL
L
H
L
X
No Change
H
X
No Change
X = Don’t Care
Z = High Impedance
DW SUFFIX
SOIC PACKAGE
CASE 751D–04
N SUFFIX
PLASTIC PACKAGE
CASE 738–03
ORDERING INFORMATION
MC74HCTXXXAN
MC74HCTXXXADW
Plastic
SOIC
1
20
1
20


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