74HC14D 查看數據表（PDF） - Nexperia B.V. All rights reserved
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74HC14D Datasheet PDF : 18 Pages
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5. Functional diagram
1
2
74HC14; 74HCT14
Hex inverting Schmitt trigger
1
1A
3
2A
5
3A
9
4A
11
5A
13
6A
1Y
2
2Y
4
3Y
6
4Y
8
5Y
10
6Y
12
mna204
Fig. 1. Logic symbol
3
4
5
6
9
8
11
10
13
12
001aac497
Fig. 2. IEC logic symbol
6. Pinning information
A
Y
mna025
Fig. 3. Logic diagram
(one Schmitt trigger)
6.1. Pinning
1A 1
1Y 2
2A 3
2Y 4
3A 5
3Y 6
GND 7
14 VCC
13 6A
12 6Y
14
11 5A
10 5Y
9 4A
8 4Y
001aac498
Fig. 4. Pin configuration SOT108-1 (SO14), SOT337-1
(SSOP14) and SOT402-1 (TSSOP14)
terminal 1
index area
1Y 2
2A 3
2Y 4
3A 5
3Y 6
14
GND(1)
13 6A
12 6Y
11 5A
10 5Y
9 4A
001aac499
Transparent top view
(1) This is not a ground pin. There is no electrical or
mechanical requirement to solder the pad. In case
soldered, the solder land should remain floating or
connected to GND.
Fig. 5. Pin configuration SOT762-1 (DHVQFN14)
74HC_HCT14
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 22 May 2020
© Nexperia B.V. 2020. All rights reserved
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