SN74LS27

The SN74LS27 is designed as one kind of triple 3-input nor gate low power schottky. The guaranteed operating ranges of this device are:(1)supply voltage: 4.75 to 5.25 V; (2)operating ambient temperature range: 0 to 70; (3)output current-high: -0.4 mA; (4)output current-low: 8.0 mA.

The absolute maximum ratings of the SN74LS27 can be summarized as:(1)input HIGH voltage: 2.0 V;(2)input LOW voltage: 0.8 V;(3)input clamp diode voltage: -0.65 to -1.5 V;(4)output HIGH voltage: 2.7 V to 3.5 V;(5)output LOW voltage: 0.35 V;(6)input HIGH current: 0.1 mA;(7)input LOW current: -0.4 mA;(8)short circuit current: -20 mA to -100 mA;(9)turn-off delay, input to output: 22 ns;(10)turn-on delay, input to output: 27 ns. If you want to know more information such as the electrical characteristics about the SN74LS27, please download the datasheet in www.seekic.com or www.chinaicmart.com.