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SN74LS85N +BOM

AB 45ns@5V,15pF 4.75V~5.25V 4 PDIP-16 Digital Comparators ROHS

SN74LS85N Descrizione generale

These four-bit magnitude comparators perform comparison of straight binary and straight BCD (8-4-2-1) codes. Three fully decoded decisions about two 4-bit words (A, B) are made and are externally available at three outputs. These devices are fully expandable to any number of bits without external gates. Words of greater length may be compared by connecting comparators in cascade. The A > B, A < B, and A = B outputs of a stage handling less-significant bits are connected to the corresponding A > B, A < B, and A = B inputs of the next stage handling more-significant bits. The stage handling the least-significant bits must have a high-level voltage applied to the A = B input. The cascading paths of the '85, 'LS85, and 'S85 are implemented with only a two-gate-level delay to reduce overall comparison times for long words. An alternate method of cascading which further reduces the comparison time is shown in the typical application data.

sn74ls85n

Caratteristiche principali

Description

These four-bit magnitude comparators perform comparison of straight binary and straight BCD (8-4-2-1) codes. Three fully decoded decisions about two 4-bit words (A, B) are made and are externally available at three outputs. These devices are fully expandable to any number of bits without external gates. Words of greater length may be compared by connecting comparators in cascade. The A > B, A < B, and A = B outputs of a stage handling less-significant bits are connected to the corresponding A > B, A < B, and A = B inputs of the next stage handling more-significant bits. The stage handling the least-significant bits must have a high-level voltage applied to the A = B input. The cascading paths of the '85, 'LS85, and 'S85 are implemented with only a two-gate-level delay to reduce overall comparison times for long words. An alternate method of cascading which further reduces the comparison time is shown in the typical application data.

Specifiche

Number of channels 4 Technology family LS
Input type Schmitt-Trigger Output type Push-Pull
Features High speed (tpd 10-50ns) Operating temperature range (°C) 0 to 70
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Valutazioni e recensioni

Di più
E
E**h 07/29/2023

se demoro bastante.. 2 meses y 14 dias para algo tan pequeño, pero llego finalmente. Ya se instalaron y funcionaron adecuadamente.

5
E
E**a 10/31/2022

I ordered diodes and resistors from this seller. All ok.

6
F
F**e 08/18/2022

Great seller, great product!

10
S
S**l 06/09/2022

Arrived quickly in weeks 2. all whole. Seller 5 stars.

4

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