| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 16 Pin |
| Case/Package | SOIC-16 |
| Number of Outputs | 4 Output |
| Number of Positions | 16 Position |
| Clock Speed | 69 MHz |
| Number of Bits | 4 Bit |
| Number of Inputs | 1 Input |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 2V ~ 6V |
| Supply Voltage (Max) | 6 V |
| Supply Voltage (Min) | 2 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Bulk |
| Size-Length | 10 mm |
| Size-Width | 4 mm |
| Size-Height | 1.45 mm |
| Operating Temperature | -40℃ ~ 125℃ |
The 74HC4520D is a dual 4-bit internally synchronous Binary Counter with two clock inputs (nCP0 and nCP1\\). It has buffered outputs from all 4-bit positions (nQ0 to nQ3) and an asynchronous master reset input (nMR). The counter advances on the low-to-high transition of nCP0 when nCP1\ is high. It also advances on the high-to-low transition of nCP1\ when nCP0 is low. Either nCP0 or nCP1 may be used as the clock input to the counter. The other clock input may be used as a clock enable input. A high on nMR, resets the counter (nQ0 to nQ3 = low) independent of nCP0 and nCP1\\. Inputs include clamp diodes. It enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.
● CMOS Input levels
● Complies with JEDEC standard No. 7A
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