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Summary
| Description |
A synchronous 4-bit up/down decade counter symbol (74LS192) in accordance with ANSI/IEEE Std. 91-1984 and IEC Publication 60617-12. This logic symbol is based on the TI SN74LS192 datasheet.
This was the first edition of the TTL Data Book that used the IEEE Std. 91 symbols. Volume 1 contained a tutorial on how to read and create these symbols.[1] The tutorial was written by Fred Mann, the TI representative on IEEE subcommittee that created this style of symbols. He was also on the IEC technical committee. This symbol is [should be] identical to figure 5.13-16 in IEEE Std 91A-1991. This image was drawn using Adobe Photoshop Elements 3.0 by Michael Holley, June 2007. |
| Date | |
| Source | File:74LS192 Symbol.png |
| Author | Swtpc6800 at English Wikipedia |
| SVG development |
Licensing
|
This work has been released into the public domain by its author, Swtpc6800 at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: Swtpc6800 grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:22, 8 October 2025 | | 900 × 750 (3 KB) | Pduive23 | overlines not supported overlines drawn with paths |
| 00:59, 8 October 2025 |  | 900 × 750 (3 KB) | Pduive23 | Uploaded own work with UploadWizard |
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