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SN74HC273NSRG4 Datasheet(PDF) 11 Page - Texas Instruments

Part # SN74HC273NSRG4
Description  Octal D-Type Flip-Flops With Clear
Download  32 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SN74HC273NSRG4 Datasheet(HTML) 11 Page - Texas Instruments

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CLK
1D
3
1D
C1
R
1Q
2
2D
4
1D
C1
R
2Q
5
3D
7
1D
C1
R
3Q
6
4D
8
1D
C1
R
4Q
9
5D
13
1D
C1
R
5Q
12
6D
14
1D
C1
R
6Q
15
7D
17
1D
C1
R
7Q
16
8D
18
1D
C1
R
8Q
19
CLR
11
1
Copyright © 2016, Texas Instruments Incorporated
11
SN54HC273, SN74HC273
www.ti.com
SCLS136E – DECEMBER 1982 – REVISED JULY 2016
Product Folder Links: SN54HC273 SN74HC273
Submit Documentation Feedback
Copyright © 1982–2016, Texas Instruments Incorporated
8 Detailed Description
8.1 Overview
The SNx4HC273 contains eight flip-flops with single-rail outputs with individual data input to each flip-flop. The
outputs can drive up to 10 LSTTL loads. The device has direct active low clear input.
8.2 Functional Block Diagram
8.3 Feature Description
The SNx4HC273 has low power consumption with a maximum CC of 80 µA.
The typical tpd for the SNx4HC273 is 12 ns and the output drive is ±4 mA at 5 V.
The SNx4HC273 also has very low input current, with the maximum set at 1 µA.
8.4 Device Functional Modes
Table 1 lists the functional modes of the SNx4HC273.
Table 1. Function Table (Each Flip-Flop)
INPUTS
OUTPUT
Q
CLR
CLK
D
L
X
X
L
H
H
H
H
L
L
H
L
X
Q0


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