3

2B

2A

1B

1A

2Y

1Y

7

6

2

1

≥1

≥1

5

3

2B

2A

1B

1A

2Y

1Y

7

6

2

1

&

5

3

2B

2A

1B

1A

2Y

1Y

7

6

2

1

11

SN55451B, SN55452B, SN55453B, SN55454B

SN75451B, SN75452B, SN75453B, SN75454B

www.ti.com

SLRS021C – DECEMBER 1967 – REVISED MAY 2016

Product Folder Links: SN55451B SN55452B SN55453B SN55454B SN75451B SN75452B SN75453B SN75454B

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Copyright © 1967–2016, Texas Instruments Incorporated

(1)

Positive logic: Y = AB or A + B

Figure 11. SNx5452B Logic Symbol

Table 2. SNx5452B Function Table

A

B

L

L

H (off state)

L

H

H (off state)

H

L

H (off state)

H

H

L (on state)

(1)

Positive logic: Y = AB or NOT(A + B)

Figure 12. SNx5453B Logic Symbol

Table 3. SNx5453B Function Table

A

B

L

L

L (on state)

L

H

H (off state)

H

L

H (off state)

H

H

H (off state)

(1)

Positive logic: Y = A+B or A B

Figure 13. SNx5454B Logic Symbol

Table 4. SNx5454B Function Table

A

B

L

L

H (off state)

L

H

L (on state)

H

L

L (on state)

H

H

L (on state)