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74HC_HCT259_15 Datasheet, PDF (3/22 Pages) NXP Semiconductors – 8-bit addressable latch
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 cannot be used as
supply pin or input.
Fig 5. Pin configuration (DHVQFN16)
74HC_HCT259
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 7 August 2012
© NXP B.V. 2012. All rights reserved.
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