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SN54LS490 |
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| Part Number | SN54LS490 |
| Manufacturer | Motorola Inc |
| Description | SN54/74LS490 DUAL DECADE COUNTER The SN54 / 74LS490 contains a pair of high-speed 4-stage ripple counters. Each half of the SN54 / 74LS490 has individual Clock, Master Reset and Master Set (Preset 9) ... |
| Features |
oad (U.L.) = 40 µA HIGH/1.6 mA LOW. b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74) Temperature Ranges.
ORDERING INFORMATION
SN54LSXXXJ SN74LSXXXN SN74LSXXXD Ceramic Plastic SOIC
LOGIC DIAGRAM (ONE HALF SHOWN)
MS 4 12
TRUTH TABLE
OUTPUTS COUNT 0 1 2 Q3 L L L L L L L L H H Q2 L L L L H H H H L L Q1 L L H H L L H H L L Q0 L H L H L H L H L H
CP
1 15 K CD 2 14 3 Q0 13 5 Q1 11 6 Q2 10 7 Q3 9 J SD Q K CD J Q K CD J Q K CP J CD SD Q
3 4 5 6 7 8 9
MR
FAST AND LS TTL DATA 5-563
SN54 / 74LS490
GUARANTEED OPERATING RANGES
Symbol VCC TA IOH IOL Supply ... |
| Document |
 SN54LS490 Data Sheet
PDF 161.86KB |
| Distributor | Stock | Price | Buy |
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