74HC4020D NXP Semiconductors, 74HC4020D Datasheet - Page 4

• Manufacturer Part Number: 74HC4020D
• Description: Counter ICs 14-STAGE BINARY RIPPLE COUNTER
• Manufacturer: NXP Semiconductors

Specifications of 74HC4020D

• Counter Type: Binary Counters
• Mounting Style: SMD/SMT
• Package / Case: SOT-109
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74HC4020D,652

Philips Semiconductors
September 1993
14-stage binary ripple counter
Fig.4 Functional diagram.
Fig.5 Logic diagram.
Fig.6 Timing diagram.
4
FUNCTION TABLE
Notes
1. H = HIGH voltage level
CP
X
L = LOW voltage level
X = don’t care
INPUTS
= LOW-to-HIGH clock
= HIGH-to-LOW clock
transition
transition
74HC/HCT4020
MR
H
L
L
Product specification
Q
OUTPUTS
no change
0
, Q
count
3
L
to Q
13