SN74VMEH22501A-EP_15 datasheet(5/38 Pages) TI1

Part #	SN74VMEH22501A-EP

Description	8-Bit Universal Bus Transceiver and Two 1-Bit Bus Transceivers

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Manufacturer	TI1 [Texas Instruments]

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SN74VMEH22501A-EP

www.ti.com

SCES625A – FEBRUARY 2005 – REVISED NOVEMBER 2015

Pin Functions (continued)

I/O

DESCRIPTION

NAME

NO.

3A3

13

I/O

Data in/out

OE

14

I

Active low enable pin for UBT

GND

15

—

Ground

3A4

16

I/O

Data in/out

CLKBA

17

I

Clock for 3B data to 3A bus

VCC

18

I

Power supply input for internal circuits

3A5

19

I/O

Data in/out

3A6

20

I/O

Data in/out

GND

21

—

Ground

3A6

22

I/O

Data in/out

3A8

23

I/O

Data in/out

DIR

24

—

Direction control for UBT

VCC

25

I

Power supply input for internal circuits

3B8

26

I/O

Data in/out

3B7

27

I/O

Data in/out

GND

28

—

Ground

3B6

29

I/O

Data in/out

3B5

30

I/O

Data in/out

VCC

31

I

Power supply input for internal circuits

CLKAB

32

I

Clock for 3A data to 3B bus

3B4

33

I/O

Data in/out

GND

34

—

Ground

VCC

35

I

Power supply input for internal circuits

3B3

36

I/O

Data in/out

3B2

37

I/O

Data in/out

VCC

38

I

Power supply input for internal circuits

GND

39

—

Ground

3B1

40

I/O

Data in/out

2OEAB

41

I

Active high control output for 2B bus

VCC

42

I

Power supply input for internal circuits

2B

43

I/O

Data in/out

BIAS VCC

44

I

Power supply input for internal circuits

GND

45

—

Ground

1B

46

I/O

Data in/out

VCC

47

I

Power supply input for internal circuits

1OEAB

48

I

Active high control output for 1B bus

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