DESCRIPTION
Information signals applied to D inputs are PIN CONNECTION AND IEC LOGIC SYMBOLS June 1999 1/10 74VHC174 INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
PIN No 1 2, 5, 7, 10, 12, 15 3, 4, 6, 11, 13, 14 9 8 16 SYMBOL CLEAR Q0 to Q5 D0 to D5 CLOCK GND VCC NAME AND FUNCT ION Asyncronous Master Reset (Active LOW) Flip-Flop Outputs Data Inputs Clock Input (LOW-to-HIGH, Edge- Triggered) Ground (0V) Positive Supply Voltage TRUTH TABLE INPUTS CL EAR L H H H X:Don’t Care OUT PUT S CLO CK X Q L L H Qn F UNCTIO N CLEAR D X L H X NO CHANGE LOGIC DIAGRAM Thislogic diagram has notbe used to estimate propagation delays 2/10 74VHC174 ABSOLUTE MAXIMUM RATINGS
Symbol VCC VI VO IIK IOK IO Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Current Storage Temperature Lead Temperature (10 sec) Parameter Value -0.5 to +7.0 -0.5 to +7.0 -0.5 to VCC + 0.5 - 20 ± 20 ± 25 ± 50 -65 to +150 300 Unit V V V mA mA mA mA o o ICC or IGND DC VCC or Ground Current C C ABSOLUTE MAXIMUM RATINGS
are those values beyond which damage to the device may occur.
STMicroelectronics
