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74HC590 Datasheet, PDF (4/21 Pages) NXP Semiconductors – 8-bit binary counter with output register; 3-state
NXP Semiconductors
74HC590
8-bit binary counter with output register; 3-state
5. Pinning information
5.1 Pinning
74HC590
Q1 1
Q2 2
Q3 3
Q4 4
Q5 5
Q6 6
Q7 7
GND 8
16 VCC
15 Q0
14 OE
13 CPR
12 CE
11 CPC
10 MRC
9 RCO
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Fig 5. Pin configuration DIP16
74HC590
terminal 1
index area
74HC590
Q1 1
Q2 2
Q3 3
Q4 4
Q5 5
Q6 6
Q7 7
GND 8
16 VCC
15 Q0
14 OE
13 CPR
12 CE
11 CPC
10 MRC
9 RCO
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Fig 6. Pin configuration SO16
and TSSOP16
Q2 2
Q3 3
Q4 4
Q5 5
Q6 6
Q7 7
GND(1)
15 Q0
14 OE
13 CPR
12 CE
11 CPC
10 MRC
Transparent top view
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(1) The die substrate is attached to
the exposed die pad using
conductive die attach material. It
can not be used as a supply pin
or input.
Fig 7. Pin configuration
DHVQFN16
5.2 Pin description
Table 2. Pin description
Symbol
Pin
Q0 to Q7
15, 1, 2, 3, 4, 5, 6, 7
GND
8
RCO
9
MRC
10
CPC
11
CE
12
CPR
13
OE
14
VCC
16
Description
parallel data output
ground (0 V)
ripple carry output (active LOW)
master reset counter input (active LOW)
counter clock input (active HIGH)
count enable input (active LOW)
register clock input (active HIGH)
output enable input (active LOW)
supply voltage
74HC590_2
Product data sheet
Rev. 02 — 28 April 2009
© NXP B.V. 2009. All rights reserved.
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