74ALVT162827DL datasheet(2/10 Pages) PHILIPS

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Philips Semiconductors

Product specification

74ALVT162827

2.5V/3.3V 20-bit buffer/line driver, non-inverting,

with 30

Ω termination resistors (3-State)

1998 Feb 13

853-1843 18961

FEATURES

• Multiple V

CC and GND pins minimize switching noise

• 5V I/O Compatible

• Live insertion/extraction permitted

• 3-State output buffers

• Outputs include series resistance of 30Ω making external

termination resistors unnecessary

• Power-up 3-State

• Output capability: +12mA/–12mA

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

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

and 200 V per Machine Model

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

resistors to hold unused inputs

DESCRIPTION

The 74ALVT162827 high-performance BiCMOS device combines

low static and dynamic power dissipation with high speed and high

output drive. It is designed for VCC operation at 2.5V or 3.3V with I/O

compatibility to 5V.

The 74ALVT162827 20-bit buffers provide high performance bus

interface buffering for wide data/address paths or buses carrying

parity. They have NOR Output Enables (nOE1, nOE2) for maximum

control flexibility.

The 74ALVT162827 is designed with 30

Ω series resistance in both

the pull-up and pull-down output structures. This design reduces line

noise in applications such as memory address drivers, clock drivers

and bus receivers/transmitters.

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

TYPICAL

UNIT

SYMBOL

PARAMETER

Tamb = 25°C

2.5V

3.3V

UNIT

tPLH

tPHL

Propagation delay

nAx to nBx or nBx to nAx

CL = 50pF

2.7

2.3

2.2

2.0

CIN

Input capacitance DIR, OE

VI = 0V or VCC

COut

Output capacitance

VI/O = 0V or VCC

ICCZ

Total supply current

Outputs disabled

µA

ORDERING INFORMATION

PACKAGES

TEMPERATURE RANGE

OUTSIDE NORTH AMERICA

NORTH AMERICA

DWG NUMBER

56-Pin Plastic SSOP Type III

–40

°C to +85°C

74ALVT162827 DL

AV162827 DL

SOT371-1

56-Pin Plastic TSSOP Type II

–40

°C to +85°C

74ALVT162827 DGG

AV162827 DGG

SOT364-1

PIN DESCRIPTION

PIN NUMBER

SYMBOL

FUNCTION

55, 54, 52, 51, 49, 48, 47, 45, 44, 43,

42, 41, 40, 38, 37, 36, 34, 33, 31, 30

1A0 - 1A9

2A0 - 2A9

Data inputs

2, 3, 5, 6, 8, 9, 10, 12, 13, 14,

15, 16, 17, 19, 20, 21, 23, 24, 26, 27

1Y0 - 1Y9

2Y0 - 2Y9

Data outputs

1, 56,

28, 29

1OE0, 1OE1

2OE0, 2OE1

Output enable inputs (active-Low)

4, 11, 18, 25, 32, 39, 46, 53

GND

Ground (0V)

7, 22, 35, 50

VCC

Positive supply voltage

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