74HC590D NXP Semiconductors, 74HC590D Datasheet - Page 5

• Manufacturer Part Number: 74HC590D
• Description: Counter ICs DUAL AND/OR GATE
• Manufacturer: NXP Semiconductors

Specifications of 74HC590D

• Counter Type: Binary Counters
• Mounting Style: SMD/SMT
• Package / Case: SOT-109
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74HC590D,112

NXP Semiconductors
6. Functional description
Table 3.
[1]
[2]
74HC590_2
Product data sheet
Inputs
OE
H
L
X
X
X
X
X
X
H = HIGH voltage level;
L = LOW voltage level;
X = don’t care;
RCO = Q0’ · Q1’ · Q2’ · Q3’ · Q4’ · Q5’ · Q6’ · Q7’ (Q0’ to Q7’ are internal outputs of the counter).
= LOW-to-HIGH transition;
= HIGH-to-LOW transition.
Function table
CPR
X
X
X
X
X
X
[1] [2]
MRC
X
X
X
X
L
H
H
H
CE
X
X
X
X
X
L
L
H
Rev. 02 — 28 April 2009
CPC
X
X
X
X
X
X
8-bit binary counter with output register; 3-state
Description
Q outputs disable
Q outputs enable
counter data stored into register
register stage is not changed
counter clear
advance one count
no count
no count
74HC590
© NXP B.V. 2009. All rights reserved.
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