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© Koninklijke Philips Electronics N.V. 2005. All rights reserved.

Product data sheet

Rev. 03 — 31 January 2005

4 of 22

Philips Semiconductors

74HC245; 74HCT245

Octal bus tranceiver; 3-state

6.

Pinning information

6.1 Pinning

6.2 Pin description

(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 3.

Pin configuration DIP20, SO20,

SSOP20 and TSSOP20

Fig 4.

Pin configuration DHVQFN20

245

DIR

VCC

A0

OE

A1

B0

A2

B1

A3

B2

A4

B3

A5

B4

A6

B5

A7

B6

GND

B7

001aac431

1

2

3

4

5

6

7

8

9

10

12

11

14

13

16

15

18

17

20

19

001aac432

245

GND(1)

Transparent top view

B6

A6

A7

B5

A5

B4

A4

B3

A3

B2

A2

B1

A1

B0

A0

OE

9

12

8

13

7

14

6

15

5

16

4

17

3

18

2

19

terminal 1

index area

Table 3:

Pin description

Symbol

Pin

Description

DIR

1

direction control

A0

2

data input/output

A1

3

data input/output

A2

4

data input/output

A3

5

data input/output

A4

6

data input/output

A5

7

data input/output

A6

8

data input/output

A7

9

data input/output

GND

10

ground (0 V)

B7

11

data input/output

B6

12

data input/output

B5

13

data input/output

B4

14

data input/output

B3

15

data input/output

B2

16

data input/output