74HC259 データシートの表示（PDF） - NXP Semiconductors.
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74HC259 Datasheet PDF : 21 Pages
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NXP Semiconductors
74HC259; 74HCT259
8-bit addressable latch
1 A0
2 A1
3 A2
1-of-8
DECODER
14 LE
15 MR
13 D
Fig 3. Functional diagram
5. Pinning information
Q0 4
Q1 5
Q2 6
Q3 7
8 LATCHES Q4 9
Q5 10
Q6 11
Q7 12
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5.1 Pinning
A0 1
A1 2
A2 3
Q0 4
Q1 5
Q2 6
Q3 7
GND 8
74HC259
74HCT259
16 VCC
15 MR
14 LE
13 D
12 Q7
11 Q6
10 Q5
9 Q4
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Fig 4. Pin configuration (DIP16, SO16, SSOP16 and
TSSOP16)
terminal 1
index area
74HC259
74HCT259
A1 2
A2 3
Q0 4
Q1 5
Q2 6
Q3 7
GND(1)
15 MR
14 LE
13 D
12 Q7
11 Q6
10 Q5
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Transparent top view
(1) The die substrate is attached to this pad using
conductive die attach material. It can not be used as
supply pin or input.
Fig 5. Pin configuration (DHVQFN16)
74HC_HCT259_4
Product data sheet
Rev. 04 — 25 February 2009
© NXP B.V. 2009. All rights reserved.
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