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MC74HC273 Datasheet(PDF) 1 Page - ON Semiconductor

Part No. MC74HC273
Description  OCTAL D FLIP FLOP WITH COMMON CLOCK AND RESET
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC74HC273 Datasheet(HTML) 1 Page - ON Semiconductor

   
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© Semiconductor Components Industries, LLC, 2000
May, 2000 – Rev. 9
1
Publication Order Number:
MC74HC273A/D
MC74HC273A
Octal D Flip-Flop with
Common Clock and Reset
High–Performance Silicon–Gate CMOS
The MC74HC273A is identical in pinout to the LS273. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LSTTL outputs.
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
Outputs Directly Interface to CMOS, NMOS and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0 µA
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 264 FETs or 66 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
FUNCTION TABLE
Inputs
Output
Reset
Clock
D
Q
LX
X
L
HH
H
HL
L
H
L
X
No Change
H
X
No Change
Design Criteria
Value
Units
Internal Gate Count*
66
ea
Internal Gate Propagation Delay
1.5
ns
Internal Gate Power Dissipation
5.0
µW
Speed Power Product
.0075
pJ
*Equivalent to a two–input NAND gate.
http://onsemi.com
MARKING
DIAGRAMS
1
20
A
= Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
SOIC WIDE–20
DW SUFFIX
CASE 751D
HC273A
AWLYYWW
PDIP–20
N SUFFIX
CASE 738
1
20
MC74HC273AN
AWLYYWW
TSSOP–20
DT SUFFIX
CASE 948E
1
20
1
20
1
20
Device
Package
Shipping
ORDERING INFORMATION
MC74HC273AN
PDIP–20
1440 / Box
MC74HC273ADW
SOIC–WIDE
38 / Rail
MC74HC273ADWR2
SOIC–WIDE
1000 / Reel
MC74HC273ADT
TSSOP–20
75 / Rail
MC74HC273ADTR2
TSSOP–20
2500 / Reel
HC
273A
ALYW
1
20
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


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