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For sale here we have the above…
GENUINE Signetics parts in 14PDIP package
See the photographs, the ‘S’ logo is clearly visible and the chips photographed are of the same batch as the ones you will receive.
SCHMITT TRIGGERS DUAL 4-INPUT NAND/HEX INVERTERS
These 74F13N chips contain logic gates/inverters which accept standard TTL input signals and provide standard TTL output levels. They are capable of transforming slowly changing input signals into sharply defined, jitter-free output signals. Additionally, they have greater noise margin than conventional inverters. Each circuit contains a Schmitt trigger followed by a Darlington level shifter and a phase splitter driving a TTL totem pole output. The Schmitt trigger uses positive feedback to effectively speed up slow input transitions and provide different input threshold voltages for positive and negative-going transitions. This hysteresis between the positive-going and negative-going input thresholds (typically 800 mV) is determined internally by resistor ratios and is essentially insensitive to temperature and supply voltage variations.
These Signetics parts are now discontinued for generic datasheet search …74F13N
Or for Motorola equivalent datasheet go directly to…
Manufactured in the 90’s DATE CODE 9105
- These parts came to us as part of a lot of surplus stock from a large Milspec type Co. and have been kept in storage for some time, we have therefore classified them as ‘new other’. They are however pristine, stored with us still in their original packaging and ‘as new’ in all respects, the photographs are representative of their excellent condition, and, as with all our products they come with a full guarantee.
If you have similar items to this, or indeed any electronic components that are surplus to requirements please contact us with details.