74lvt373pw NXP Semiconductors, 74lvt373pw Datasheet

74lvt373pw

Manufacturer Part Number

74lvt373pw

Description

3.3 Volt Abt Octal Transparent Latch 3-state

Manufacturer

NXP Semiconductors

Datasheet

1.74LVT373PW.pdf (6 pages)

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Philips Semiconductors Low Voltage Products

FEATURES

QUICK REFERENCE DATA

ORDERING INFORMATION

PIN DESCRIPTION

July 1993

20–Pin Plastic SOL

20–Pin Plastic SSOP

20–Pin Plastic TSSOP

Designed for use in the 3.3V

high–performance market

Supports mixed–mode signal operation; 5V

input and output voltages with 3.3V V

Bus–hold inputs eliminate the need for

external pull-up resistors to hold unused

pins

Live insertion/extraction permitted

No bus current loading when output is tied

to 5V bus

8–bit transparent latch

3-State output buffers

Zero-static power dissipation

Pin and function compatibility with ABT

AC and DC performance compatibility with

ABT

3.3 Volt ABT octal transparent latch (3–State)

3, 4, 7, 8, 13, 14, 17, 18

2, 5, 6, 9, 12, 15, 16, 19

SYMBOL

PLH

PHL

CCZ

OUT

PIN NUMBER

PACKAGES

Propagation delay

Dn to Qn

Input capacitance

Output capacitance

Total supply current

PARAMETER

SYMBOL

Q0-Q7

D0-D7

GND

TEMPERATURE RANGE

-40 C to +85 C

DESCRIPTION

The 74LVT373 device is designed specifically

for low–voltage (3.3V) V

provide a TTL interface to a 5V system

environment.

The 74LVT373 high-performance BiCMOS

device combines zero static and low dynamic

power dissipation with high speed and high

output drive.

The 74LVT373 device is an octal transparent

latch coupled to eight 3-State output buffers.

The two sections of the device are controlled

Latch–up protection exceeds 500mA per

JEDEC JC40.2 Std 17

ESD protection exceeds 2000 V per MIL

STD 883 Method 3015 and 200 V per

Machine Model

Output enable input (active-Low)

Data inputs

Data outputs

Enable input (active-High)

Ground (0V)

Positive supply voltage

Outputs disabled; V

= 0V or V

= 50pF; V

operation, but can

amb

CONDITIONS

= 5V

= 25 C; GND = 0V

ORDER CODE

74LVT373PW

74LVT373DB

74LVT373D

=5.5V

FUNCTION

independently by Enable (E) and Output

Enable (OE) control gates.

The data on the D inputs are transferred to

the latch outputs when the Latch Enable (E)

input is High. The latch remains transparent

to the data inputs while E is High, and stores

the data that is present one setup time before

the High-to-Low enable transition.

The 3-State output buffers are designed to

drive heavily loaded 3-State buses, MOS

memories, or MOS microprocessors. The

active-Low Output Enable (OE) controls all

eight 3-State buffers independent of the latch

operation.

When OE is Low, the latched or transparent

data appears at the outputs. When OE is

High, the outputs are in the High-impedance

”OFF” state, which means they will neither

drive nor load the bus.

TYPICAL

DRAWING NUMBER

Objective specification

4.2

74LVT373

0172D

1640B

TBD

UNIT

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74lvt373pw Summary of contents

Page 1

... Outputs disabled; V =5.5V CC ORDER CODE - +85 C 74LVT373D - +85 C 74LVT373DB - +85 C 74LVT373PW Output enable input (active-Low) Data inputs Data outputs Enable input (active-High) Ground (0V) Positive supply voltage 2 Objective specification 74LVT373 independently by Enable (E) and Output Enable (OE) control gates. ...

Page 2

Philips Semiconductors Low Voltage Products 3.3 Volt ABT octal transparent latch (3–State) FUNCTION TABLE INPUTS INTERNAL REGISTER ...

Page 3

Philips Semiconductors Low Voltage Products 3.3 Volt ABT octal transparent latch (3–State ABSOLUTE MAXIMUM RATINGS SYMBOL PARAMETER V DC supply voltage input diode current input voltage output diode ...

Page 4

Philips Semiconductors Low Voltage Products 3.3 Volt ABT octal transparent latch (3–State) DC ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER V Input clamp voltage IK V High-level output voltage OH V Low-level output voltage OL I Input leakage current I I Output off ...

Page 5

Philips Semiconductors Low Voltage Products 3.3 Volt ABT octal transparent latch (3–State) AC CHARACTERISTICS GND = 0V 6ns 50pF 500 , SYMBOL PARAMETER t Propagation delay PLH ...

Page 6

Philips Semiconductors Low Voltage Products 3.3 Volt ABT octal transparent latch (3–State) TEST CIRCUIT AND WAVEFORM OUT PULSE D.U.T GENERATOR R T Test Circuit for 3-State Outputs SWITCH POSITION TEST SWITCH t /t GND PHZ ...

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