74HCT244D-T NXP Semiconductors, 74HCT244D-T Datasheet - Page 22
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74HCT244D-T
Manufacturer Part Number
74HCT244D-T
Description
Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin SO T/R
Manufacturer
NXP Semiconductors
Datasheet
1.74HCT244D653.pdf
(22 pages)
Specifications of 74HCT244D-T
Package
20SO
Logic Family
HCT
Logic Function
Buffer/Line Driver
Number Of Outputs Per Chip
8
Output Type
3-State
Input Signal Type
Single-Ended
Maximum Propagation Delay Time @ Maximum Cl
22@4.5V ns
Polarity
Non-Inverting
Philips Semiconductors
21. Contents
1
2
3
4
5
6
6.1
6.2
7
7.1
8
9
10
11
12
13
14
15
16
17
18
19
20
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Quick reference data . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Functional diagram . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 5
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 5
Recommended operating conditions. . . . . . . . 6
Static characteristics. . . . . . . . . . . . . . . . . . . . . 6
Dynamic characteristics . . . . . . . . . . . . . . . . . 10
Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 15
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 20
Data sheet status . . . . . . . . . . . . . . . . . . . . . . . 21
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Contact information . . . . . . . . . . . . . . . . . . . . 21
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
Function table . . . . . . . . . . . . . . . . . . . . . . . . . . 5
© Koninklijke Philips Electronics N.V. 2005
All rights are reserved. Reproduction in whole or in part is prohibited without the prior
written consent of the copyright owner. The information presented in this document does
not form part of any quotation or contract, is believed to be accurate and reliable and may
be changed without notice. No liability will be accepted by the publisher for any
consequence of its use. Publication thereof does not convey nor imply any license under
patent- or other industrial or intellectual property rights.
Published in The Netherlands
74HC244; 74HCT244
Octal buffer/line driver; 3-state
Document number: 74HC_HCT244_3
Date of release: 22 December 2005