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SN54ABT273 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. SN54ABT273
Description  OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR
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Maker  TI [Texas Instruments]
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SN54ABT273 Datasheet(HTML) 1 Page - Texas Instruments

 
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SN54ABT273, SN74ABT273
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLEAR
SCBS185B – FEBRUARY 1991 – REVISED JANUARY 1997
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D State-of-the-Art EPIC-ΙΙB™ BiCMOS Design
Significantly Reduces Power Dissipation
D Latch-Up Performance Exceeds 500 mA Per
JEDEC Standard JESD-17
D Typical VOLP (Output Ground Bounce) < 1 V
at VCC = 5 V, TA = 25°C
D High-Drive Outputs (–32-mA IOH, 64-mA IOL)
D Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages, Ceramic Chip Carriers (FK),
Plastic (N) and Ceramic (J) DIPs, and
Ceramic Flat (W) Package
description
The ’ABT273 are 8-bit positive-edge-triggered
D-type flip-flops with a direct clear (CLR) input.
They are particularly suitable for implementing
buffer and storage registers, shift registers, and
pattern generators.
Information at the data (D) inputs meeting the
setup time requirements is transferred to the
Q outputs on the positive-going edge of the clock
pulse. Clock triggering occurs at a particular
voltage level and is not directly related to the
transition time of the positive-going pulse. When
the clock (CLK) input is at either the high or low
level, the D input signal has no effect at the output.
The SN54ABT273 is characterized for operation over the full military temperature range of –55
°C to 125°C. The
SN74ABT273 is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
(each flip-flop)
INPUTS
OUTPUT
CLR
CLK
D
OUTPUT
Q
L
X
X
L
H
HH
H
LL
H
H or L
X
Q0
Copyright
© 1997, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC-
ΙΙB is a trademark of Texas Instruments Incorporated.
SN54ABT273 ...J OR W PACKAGE
SN74ABT273 . . . DB, DW, N, OR PW PACKAGE
(TOP VIEW)
SN54ABT273 . . . FK PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
2D
2Q
3Q
3D
4D
8D
7D
7Q
6Q
6D
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
CLR
1Q
1D
2D
2Q
3Q
3D
4D
4Q
GND
VCC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLK


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