MC74HCT273 MOTOROLA [Motorola, Inc], MC74HCT273 Datasheet

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MC74HCT273

Manufacturer Part Number
MC74HCT273
Description
Octal D Flip-Flop with Common Clock and Reset with LSTTL-Compatible Inputs
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet

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MC74HCT273AN
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ON
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6 237
Octal D Flip-Flop with
Common Clock and Reset
with LSTTL-Compatible Inputs
High–Performance Silicon–Gate CMOS
or NMOS outputs to High–Speed CMOS inputs.
inputs. Each flip–flop is loaded with a low–to–high transition of the Clock
input. Reset is asynchronous and active low.
2/97
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Motorola, Inc. 1997
The MC74HCT273A may be used as a level converter for interfacing TTL
The HCT273A is identical in pinout to the LS273.
This device consists of eight D flip–flops with common Clock and Reset
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 A
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 284 FETs or 71 Equivalent Gates
INPUTS
DATA
CLOCK
RESET
D0
D1
D2
D3
D4
D5
D6
D7
3
4
7
8
13
14
17
18
11
1
LOGIC DIAGRAM
1
12
15
16
19
2
5
6
9
PIN 20 = V CC
PIN 10 = GND
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
NONINVERTING
OUTPUTS
REV 7
20
MC74HCT273A
X = Don’t Care
Z = High Impedance
Reset
20
1
H
H
H
H
L
MC74HCTXXXAN
MC74HCTXXXADW
RESET
ORDERING INFORMATION
1
GND
Q0
Q1
Inputs
D1
Q2
Q3
PIN ASSIGNMENT
D0
D2
D3
FUNCTION TABLE
Clock
X
L
1
2
3
4
5
6
7
8
9
10
D
X
H
X
X
L
PLASTIC PACKAGE
SOIC PACKAGE
CASE 751D–04
20
19
18
17
16
15
14
13
12
11
CASE 738–03
DW SUFFIX
No Change
No Change
N SUFFIX
Plastic
SOIC
Output
V CC
Q7
D7
D6
Q6
Q5
D5
D4
Q4
CLOCK
Q
H
L
L

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MC74HCT273 Summary of contents

Page 1

... 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– ...

Page 2

... MC74HCT273A Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î MAXIMUM RATINGS* Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 3

... MC74HCT273A Î Î Î Î Î Î Î Î Î Î Î Î Guaranteed Limit Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 4

... MC74HCT273A 2.7 V CLOCK 1 1/f max t PLH t PHL 90% 1 10% t TLH t THL Figure 1. VALID 1.3 V DATA 1.3 V CLOCK Figure 3. DATA INPUTS MOTOROLA SWITCHING WAVEFORMS t w 3.0 V 1.3 V RESET GND t PHL 1 CLOCK 3.0 V DEVICE UNDER GND 3.0 V GND * Includes all probe and jig capacitance ...

Page 5

... AT MAXIMUM MATERIAL CONDITION. MILLIMETERS INCHES DIM MIN MAX MIN MAX A 12.65 12.95 0.499 0.510 B 7.40 7.60 0.292 0.299 C 2.35 2.65 0.093 0.104 D 0.35 0.49 0.014 0.019 F 0.50 0.90 0.020 0.035 G 1.27 BSC 0.050 BSC J 0.25 0.32 0.010 0.012 K 0.10 0.25 0.004 0.009 10.05 10.55 0.395 0.415 R 0.25 0.75 0.010 0.029 Mfax is a trademark of Motorola, Inc. MC74HCT273A/D MOTOROLA ...

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