Nexperia

74HC280; 74HCT280

9-bit odd/even parity generator/checker

5. Pinning information

5.1. Pinning

74HC280

74HCT280

I6

VCC

I7

I5

n.c.

I4

I8

I3

PE

I2

PO

I1

GND

I0

aaa-024425

1

2

3

4

5

6

7

8

10

9

12

11

14

13

Fig. 3. Pin configuration SOT108-1 (SO14)

I6

I7

n.c.

I8

PE

PO

GND

1

2

3

4

5

6

7

VCC

I5

I4

I3

I2

I1

I0

8

10

9

12

11

14

13

74HCT280

aaa-024426

Fig. 4. Pin configuration SOT402-1 (TSSOP14)

5.2. Pin description

Table 2. Pin description

Symbol

Pin

Description

I0, I1, I2, I3, I4, I5, I6, I7, I8

8, 9, 10, 11, 12, 13, 1, 2, 4

data input

GND

7

ground (0 V)

PE

5

even parity output

PO

6

odd parity output

VCC

14

supply voltage

6. Functional description

Table 3. Function table

H = HIGH voltage level; L = LOW voltage level

Inputs

Outputs

number of HIGH data inputs (I0 to I8) PE

PO

even

H

L

odd

L

H

74HC_HCT280

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© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 4 — 16 August 2021

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