Datasheet
December 1990 3
Philips Semiconductors Product speciļ¬cation
12-stage binary ripple counter 74HC/HCT4040
PIN DESCRIPTION
PIN NO. SYMBOL NAME AND FUNCTION
8 GND ground (0 V)
9, 7, 6, 5, 3, 2, 4, 13, 12, 14, 15, 1 Q
0
to Q
11
parallel outputs
10
CP clock input (HIGH-to-LOW, edge-triggered)
11 MR master reset input (active HIGH)
16 V
CC
positive supply voltage
Fig.1 Pin configuration. Fig.2 Logic symbol. Fig.3 IEC logic symbol.