74ALVT16541 datasheet(2/10 Pages) PHILIPS

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Philips Semiconductors

Product specification

74ALVT16541

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

1998 Feb 13

853-1857 18958

FEATURES

• 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

DESCRIPTION

The 74ALVT16541 is a high-performance BiCMOS product

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

to 5V.

This device can be used as two octal buffers or one 16-bit buffer.

The device is ideal for driving bus lines.

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

TYPICAL

UNIT

SYMBOL

PARAMETER

Tamb = 25°C

2.5V

3.3V

UNIT

tPLH

tPHL

Propagation delay

nAx to nYx

CL = 50pF

1.8

1.7

1.4

CIN

Input capacitance nOEx

VI = 0V or VCC

COut

Output pin capacitance

Outputs disabled; VO = 0V or VCC

ICCZ

Total supply current

Outputs disabled

µA

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

SA00069

1OE0

1OE1

1A0

1A1

1A2

1A3

1A4

1A5

1A6

1A7

1Y0

1Y1

1Y2

1Y3

1Y4

1Y5

1Y6

1Y7

2OE0

2OE1

2A0

2A1

2A2

2A3

2A4

2A5

2A6

2A7

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

1A0–1A7

2A0–2A7

Data inputs

2, 3, 5, 6, 8,

9, 11, 12,13,

14, 16, 17, 19,

20, 22, 23

1Y0–1Y7

2Y0–2Y7

Data outputs

1, 48

24, 25

1OE0, 1OE1,

2OE0, 2OE1

Output enables

4, 10, 15, 21,

28, 34, 39, 45

GND

Ground (0V)

7, 18, 31, 42

VCC

Positive supply voltage

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