TYPE | DESCRIPTION |
---|
Mounting Style | Surface Mount |
Number of Pins | 16 Pin |
Supply Voltage (DC) | 4.50V (min) |
Case/Package | SOIC-16 |
Number of Outputs | 4 Output |
Number of Positions | 16 Position |
Clock Speed | 61 MHz |
Number of Bits | 4 Bit |
Number of Inputs | 2 Input |
Operating Temperature (Max) | 125 ℃ |
Operating Temperature (Min) | -40 ℃ |
Supply Voltage | 4.5V ~ 5.5V |
Supply Voltage (Max) | 5.5 V |
Supply Voltage (Min) | 4.5 V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Cut Tape (CT) |
Size-Height | 1.45 mm |
Operating Temperature | -40℃ ~ 125℃ |
The 74HCT390D is a dual Decade Ripple Counter pin compatible with low power Schottky TTL (LSTTL). This dual 4-bit decade ripple counter divided into four separately clocked sections. The counter has two divide-by-2 sections and two divide-by-5 sections. These sections are normally used in a BCD decade or bi-quinary configuration, since they share a common master reset input (nMR). If the two master reset inputs (1MR and 2MR) are used to simultaneously clear all 8-bit of the counter, a number of counting configurations are possible within one package. Each section is triggered by the high-to-low transition of the clock inputs (nCP0\ and nCP1\\). For BCD decade operation, the nQ0 output is connected to the nCP1\ input of, the divide-by-5 section. For bi-quinary decade operation, the nQ3 output is connected to the nCP0\ input and nQ0 becomes the decade output.
● Two master reset inputs to clear each decade counter individually
● Standard output capability
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