| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Frequency | 35.0 MHz |
| Number of Pins | 16 Pin |
| Supply Voltage (DC) | 4.75V ~ 5.25V |
| Case/Package | PDIP-16 |
| Number of Outputs | 4 Output |
| Number of Channels | 2 Channel |
| Number of Positions | 16 Position |
| Clock Speed | 35 MHz |
| Number of Bits | 4 Bit |
| Voltage Nodes | 5.00 V |
| Output Current Drive | -50.0 µA |
| Input Current (Min) | 0.1 mA |
| 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 |
| Operating Temperature | 0℃ ~ 70℃ |
The SN74LS390N is a 4-bit dual Decade Counter contains eight master-slave flip-flops and additional gating to implement two individual four-bit counters. It incorporates dual divide-by-two and divide-by-five counter, which can be used to implement cycle lengths equal to any whole and/or cumulative multiples of 2 and/or 5 up to divide-by-100. When connected as a bi-quinary counter, the separate divide-by-two circuit can be used to provide symmetry (a square wave) at the final output stage. It comprises two independent four-bit binary counters each having a clear and a clock input. N-bit binary counters can be implemented with each package providing the capability of divide-by-256. It has parallel outputs from each counter stage so that any submultiple of the input count frequency is available for system-timing signals.
● Direct clear for each 4-bit counter
● Buffered outputs reduce possibility of collector commutation
TI
Dual 4Bit Decade Counters
Motorola
DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER
Freescale
DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER
ON Semiconductor
DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER
TI
Logic IC - Counter Texas Instruments SN 74 LS 390 Binary counter, Division by N 74LS Negative slope 50MHz DIP 16
TI
Counter/Divider Dual 4Bit Decade UP 16Pin SOP T/R
TI
Decade / Binary Counter, LS Family, 35MHz, 4.75V to 5.25V, SOIC-16
TI
Counter/Divider Dual 4Bit Decade UP 16Pin PDIP Tube
TI
Counter/Divider Dual 4Bit Decade UP 16Pin SOIC Tube
TI
Counter/Divider Dual 4Bit Decade UP 16Pin SOIC T/R
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