Philips 74alvt16541 DATASHEETS

INTEGRATED CIRCUITS

74ALVT16541

2.5V/3.3V 16-bit buffer/driver (3-State)

Product specification Supersedes data of 1996 Aug 13 IC23 Data Handbook

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1998 Feb 13

Philips Semiconductors Product specification

SYMBOL

PARAMETER

UNIT

74AL VT165412.5V/3.3V 16-bit buffer/driver (3-State)

FEA TURES

•16-bit universal bus interface

•5V I/O compatibile

•3-State buffers

•Output capability: +64mA/-32mA

•TTL input and output switching levels

•Input and output interface capability to systems at 5V supply

•Bus-hold data inputs eliminate the need for external pull-up

resistors to hold unused inputs

•Live insertion/extraction permitted

•Power-up 3-State

•No bus current loading when output is tied to 5V bus

•Latch-up protection exceeds 500mA per JEDEC Std 17

•ESD protection exceeds 2000V per MIL STD 883 Method 3015

and 200V per Machine Model

QUICK REFERENCE DATA

t

PLH

t

PHL

C C I

CCZ

IN

Out

Propagation delay nAx to nYx

Input capacitance nOEx VI = 0V or V Output pin capacitance Outputs disabled; VO = 0V or V Total supply current Outputs disabled 40 70 µA

CL = 50pF

DESCRIPTION

The 74ALVT16541 is a high-performance BiCMOS product designed for V to 5V .

This device can be used as two octal buffers or one 16-bit buffer. The device is ideal for driving bus lines.

CONDITIONS

T

amb

CC

operation at 2.5V or 3.3V with I/O compatibility up

CC

TYPICAL

= 25°C

2.5V 3.3V

1.8

1.7

1.4

3 3 pF

CC

9 9 pF

ns

ORDERING INFORMATION

PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA DWG NUMBER

48-Pin Plastic SSOP Type III –40°C to +85°C 74ALVT16541 DL AV16541 DL SOT370-1 48-Pin Plastic TSSOP Type II –40°C to +85°C 74ALVT16541 DGG AV16541 DGG SOT362-1

LOGIC SYMBOL

1

0

1OE

48

1OE

1

47

1A0

46

1A1

44

1A2

43

1A3

41

1A4

40

1A5

38

1A6

37

1A7

24

2OE

0

25

2OE

1

2

1Y0

3

1Y1

5

1Y2

6

1Y3

8

1Y4

9

1Y5

11

1Y6

12

1Y7

2A0

2A1

2A2

2A3

2A4

2A5

2A6

2A7

36

35

33

32

30

29

27

26

13

14

16

17

19

20

22

23

SA00069

2Y0

2Y1

2Y2

2Y3

2Y4

2Y5

2Y6

2Y7

PIN DESCRIPTION

PIN NUMBER SYMBOL NAME AND FUNCTION

47, 46, 44, 43, 41, 40, 38, 37, 36, 35, 33, 32,

30, 29, 27, 26

2, 3, 5, 6, 8,

9, 11, 12,13,

14, 16, 17, 19,

20, 22, 23

1, 48

24, 25

4, 10, 15, 21,

28, 34, 39, 45

7, 18, 31, 42 V

1A0–1A7 2A0–2A7

1Y0–1Y7 2Y0–2Y7

1OE0, 1OE1,

2OE0, 2OE1

Data inputs

Data outputs

Output enables

GND Ground (0V)

CC

Positive supply voltage

1998 Feb 13 853-1857 18958

2

Philips Semiconductors Product specification

74ALVT165412.5V/3.3V 16-bit buffer/driver (3-State)

LOGIC SYMBOL (IEEE/IEC)

1 48 24 25

47 46 44 43 41 40 38

37 36

35 33

32 30 29 27 26

& EN1

& EN2

2 ∇

2 3 5 6 8 9 11

12 13 14 16

17 19 20 22 23

SW00149

PIN CONFIGURA TION

1OE0

1

1Y0

2

1Y1

3 4

GND

1Y2

5 6

1Y3

7

V

CC

8

1Y4

9

1Y5

10

GND

1Y6

11

1Y7

12

2Y0

13

2Y1

14 15

GND

2Y2

16

2Y3

17 18

V

CC

19

2Y4

20

2Y5

21

GND

22

2Y6 2Y7

23

2OE

24

0

48 47 46

45 44

43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25

SW00150

1OE1 1A0 1A1

GND 1A2

1A3

V

CC

1A4 1A5 GND 1A6 1A7 2A0 2A1 GND 2A2 2A3

V

CC

2A4 2A5 GND 2A6 2A7 2OE

1

1998 Feb 13

FUNCTION TABLE

INPUTS OUTPUTS

nOE0 nOE1 nAx nYx

L L L L L L H H X H X Z

H X X Z

H = High voltage level L = Low voltage level X = Don’t care Z = High Impedance “off” state

3