74hc590bq NXP Semiconductors, 74hc590bq Datasheet - Page 6

• Manufacturer Part Number: 74hc590bq
• Description: 74hc590 8-bit Binary Counter With Output Register; 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
7. Functional description
9397 750 14691
Product data sheet
7.1 Function table
Table 4:
[1]
[2]
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
MRC
X
X
X
X
L
H
H
H
Rev. 01 — 30 March 2005
[1] [2]
CE
X
X
X
X
X
L
L
H
8-bit binary counter with output register; 3-state
CPC
X
X
X
X
X
X
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
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
74HC590
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