74HCT4520DB-T NXP Semiconductors, 74HCT4520DB-T Datasheet - Page 4

• Manufacturer Part Number: 74HCT4520DB-T
• Description: Counter ICs DUAL 4-BIT SYNC BINARY COUNTER
• Manufacturer: NXP Semiconductors

Specifications of 74HCT4520DB-T

• Counter Type: Binary Counters
• Mounting Style: SMD/SMT
• Package / Case: SOT-338
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74HCT4520DB,118

Philips Semiconductors
December 1990
Dual 4-bit synchronous binary counter
Fig.4 Functional diagram.
Fig.5 Logic diagram (one counter).
Fig.6 Timing diagram.
4
FUNCTION TABLE
Notes
1. H = HIGH voltage level
L
X
H
X
nCP
L = LOW voltage level
X = don’t care
= LOW-to-HIGH clock transition
= HIGH-to-LOW clock transition
0
H
X
L
X
nCP
1
L
L
L
L
L
L
H
MR
MODE
counter advances
counter advances
no change
no change
no change
no change
Q
0
to Q
74HC/HCT4520
3
= LOW
Product specification