© Koninklijke Philips Electronics N.V. 2005
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Date of release: 13 June 2005
Document number: 9397 750 15123
Published in The Netherlands
Philips Semiconductors
74ALVT16821
20-bit bus interface D-type flip-flop; positive-edge trigger; 3-state
20. Contents
1 General description . . . . . . . . . . . . . . . . . . . . . . 1
2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3 Quick reference data . . . . . . . . . . . . . . . . . . . . . 2
4 Ordering information. . . . . . . . . . . . . . . . . . . . . 2
5 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 3
6 Pinning information. . . . . . . . . . . . . . . . . . . . . . 4
6.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
7 Functional description . . . . . . . . . . . . . . . . . . . 6
7.1 Function table . . . . . . . . . . . . . . . . . . . . . . . . . . 6
8 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 6
9 Recommended operating conditions. . . . . . . . 7
10 Static characteristics. . . . . . . . . . . . . . . . . . . . . 8
11 Dynamic characteristics . . . . . . . . . . . . . . . . . 10
12 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
13 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 14
14 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 16
15 Data sheet status . . . . . . . . . . . . . . . . . . . . . . . 17
16 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
17 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
18 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
19 Contact information . . . . . . . . . . . . . . . . . . . . 17
