CD54AC138

The CD54AC138 is designed as one kind of dual 3-to-8-line decoder / demultiplexer that utilizes the harris advanced CMOS logic technology. The device contains two independent binary to 3-of-8 decoders, each with a single active-LOW enable input (1E or 2E).

Features of the CD54AC138 are:(1)Buffered Inputs;(2)Typical Propagation Delay 6.0 ns at VCC = 5V, TA = 25 , CL = 50 pF;(3)Exceeds 2kV ESD Protection MIL-STD-883, Method 3015;(4)SCR-Latchup-Resistant CMOS Process and Circuit Design;(5)Speed of Bipolar FAST/AS/S with Significantly Reduced Power Consumption;(6)Balanced Propagation Delays;(7)AC Types Feature 1.5V to 5.5V Operation and Balanced Noise Immunity at 30% of the Supply;(8)±24 mA Output Drive Current: Fanout to 15 FAST ICs and Drives 50 Transmission Lines.

The absolute maximum ratings of the CD54AC138 can be summarized as:(1)DC Supply Voltage: -0.5V to 6V;(2)DC Input Diode Current For VI < -0.5V or VI > VCC + 0.5V: ±20 mA;(3)DC Output Diode Current For VO < -0.5V or VO > VCC + 0.5V: ±50 mA;(4)DC Output Source or Sink Current per Output Pin For VO > -0.5V or VO < VCC + 0.5V: ±50 mA;(5)DC VCC or Ground Current, ICC or IGND: ±100 mA;(6)operating temperature range: -55 to +125 ;(7)storage temperature: -65 to +150 . If you want to know more information such as the electrical characteristics about the CD54AC138, please download the datasheet in www.seekic.com or www.chinaicmart.com .