DESCRIPTION
OF B SERIES CMOS DEVICES" DESCRIPTION
PIN CONNECTION October 2002 1/9 HCF4512B IINPUT EQUIVALENT CIRCUIT FUNCTIONAL DIAGRAM PIN DESCRIPTION
PIN No 1, 2, 3, 4, 5, 6, 7, 9 11, 12, 13 10 15 14 8 16 SYMBOL NAME AND FUNCTION D0 to D7 Channel Inputs A, B, C INHIBIT 3-STATE DISABLE SEL OUT- PUT VSS VDD Select Control Inhibit Output 3 State Disable Output Select Output Negative Supply Voltage Positive Supply Voltage TRUTH TABLE SELECT CONTROL A L H L H L H L H X X X : Don’t Care Z : High Impedance B L L H H L L H H X X C L L L L H H H H X X INHIBIT L L L L L L L L H X 3-STATE DISABLE L L L L L L L L L H SELECT OUTPUT D0 D1 D2 D3 D4 D5 D6 D7 0 Z 2/9 LOGIC DIAGRAM HCF4512B ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit VDD Supply Voltage -0.5 to +22 V VI DC Input Voltage -0.5 to VDD + 0.5 V II DC Input Current ± 10 mA PD Power Dissipation per Package Power Dissipation per Output Transistor 200 mW 100 mW Top Operating Temperature -55 to +125 °C Tstg Storage Temperature -65 to +150 °C ABSOLUTE MAXIMUM RATINGS
are those values beyond which damage to the device may occur.
STMicroelectronics
