The SN54LS290J is a 14-pin dual decade counter from Onsemi, operating within a temperature range of -55°C to 125°C. It is a 5V logic IC with a maximum frequency of 32MHz and a supply current of up to 15mA. The device features a negative edge trigger and counts in the upward direction. It is packaged in a DIP-14 format with a width of 7.62mm and a length of 19.495mm.
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Onsemi SN54LS290J technical specifications.
| Max Operating Temperature | 125 |
| Number of Terminals | 14 |
| Min Operating Temperature | -55 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-GDIP-T14 |
| Width | 7.62 |
| Length | 19.495 |
| Pin Count | 14 |
| Number of Functions | 2 |
| Temperature Grade | MILITARY |
| Supply Voltage-Nom (Vsup) | 5 |
| Supply Voltage-Max (Vsup) | 5.5 |
| Supply Voltage-Min (Vsup) | 4.5 |
| Logic IC Type | DECADE COUNTER |
| Family | LS |
| Propagation Delay (tpd) | 50 |
| Number of Bits | 3 |
| Max I(ol) | 0.004 |
| Power Supply Current-Max (ICC) | 15 |
| Count Direction | UP |
| Trigger Type | NEGATIVE EDGE |
| fmax-Min | 32 |
| Max Frequency@Nom-Sup | 32000000 |
| HTS Code | 8542.39.00.01 |
| REACH | unknown |
| Military Spec | False |
Download the complete datasheet for Onsemi SN54LS290J to view detailed technical specifications.
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