| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Frequency | 42 MHz |
| Number of Pins | 14 Pin |
| Supply Voltage (DC) | 4.75V ~ 5.25V |
| Case/Package | SOIC-14 |
| Number of Outputs | 4 Output |
| Number of Positions | 14 Position |
| Clock Speed | 42 MHz |
| Number of Bits | 4 Bit |
| Voltage Nodes | 5.00 V |
| Output Current Drive | -50.0 µA |
| Number of Inputs | 2 Input |
| Operating Temperature (Max) | 70 ℃ |
| Operating Temperature (Min) | 0 ℃ |
| Supply Voltage | 4.75V ~ 5.25V |
| Supply Voltage (Max) | 5.25 V |
| Supply Voltage (Min) | 4.75 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 8.75 mm |
| Size-Width | 4 mm |
| Size-Height | 1.5 mm |
| Weight | 0.0020701957136 kg |
| Operating Temperature | 0℃ ~ 70℃ |
The SN74LS90D is a Decade Counter contains four master-slave flip-flops and additional gating to provide a divide-by-two counter and a three-stage binary counter for which the count cycle length is divide-by-five. It has gated set-to-nine inputs for use in BCD nine"s complement applications. To use their maximum count length of this counter, the CKB input is connected to the QA output. The input count pulses are applied to CKA input and the outputs are as described in the appropriate function table. A symmetrical divide-by-ten count can be obtained from the LS90 series counter by connecting the QD output to the CKA input and applying the input count to the CKB input which gives a divide-by-ten square wave at output QA.
● TTL Input
● CMOS Output
● Green product and no Sb/Br
ON Semiconductor
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