This device contains four independent gates each of which performs the logic NAND function. The open-collector outputs require external pull-up resistors for proper logical operation. These gates feature high-voltage output ratings (up to 15V) for interfacing with 12V systems. Although the outputs are rated for 15V, the device supply is still rated for 5V
Specifications :-
- Supply Voltage : 4.75 – 5.25Vdc
- Maximum Clock Frequency : 40Mhz
- Power Dissipation : 2mW/gate @100kHz
- Minimum Output Current : 8mA
- Propagation Delay : 10nS
- Fan Out (TTL Loads) : 20
| Symbol | Parameter | Min | Max | Unit |
| VCC | Supply Voltage | Â 4.75 | 5.25 | V |
| VIH | HIGH Level Input Voltage | Â 2 | – | V |
| VIL | LOW Level Input Voltage | Â – | 0.8 | V |
| VOH | HIGH Level Output Voltage | Â – | Â 15 | V |
| IOL | LOW Level Output Current | Â – | 8 | V |
| TA | Free Air Operating Temperature |  0 | 70 | °C |
Package Includes :-
1 X 74LS26 Quad 2-Input High-Voltage Interface Positive NAND-Gate IC (7426 IC) DIP-14 Package
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