PI74LPT573AQ Pericom Semiconductor, PI74LPT573AQ Datasheet

PI74LPT573AQ

Manufacturer Part Number

PI74LPT573AQ

Description

IC OCT TRANSPARENT LATCH 20 QSOP

Manufacturer

Pericom Semiconductor

Series

74LPTr

Datasheet

1.PI74LPT573AS.pdf (4 pages)

Specifications of PI74LPT573AQ

Logic Type

D-Type Transparent Latch

Circuit

8:8

Output Type

Tri-State

Voltage - Supply

2.7 V ~ 3.6 V

Independent Circuits

Delay Time - Propagation

1.5ns

Current - Output High, Low

24mA, 24mA

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

20-QSOP

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

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Features

• Compatible with LCX™ and LVT™ families of products

• Supports 5V Tolerant Mixed Signal Mode Operation

• Advanced Low Power CMOS Operation

• Excellent output drive capability:

• Low ground bounce outputs

• Hysteresis on all inputs

• Industrial operating temperature range: –40°C to +85°C

• Packages available:

Logic Block Diagram

Truth Table

Note:

1. H = High Voltage Level, X = Don't Care,

– Input can be 3V or 5V

– Output can be 3V or connected to 5V bus

Balanced drives (24 mA sink and source)

– 20-pin 173 mil wide plastic TSSOP (L)

– 20-pin 150 mil wide plastic QSOP (Q)

– 20-pin 150 mil wide plastic TQSOP (R)

– 20-pin 300 mil wide plastic SOIC (S)

L = Low Voltage Level, Z = High Impedance

Inputs

TO 7 OTHER CHANNELS

(1)

Outputs

(1)

Description

Pericom Semiconductor’s PI74LPT series of logic circuits are pro-

duced in the Company’s advanced 0.6 micron CMOS technology,

achieving industry leading speed grades.

The PI74LPT573 is an 8-bit transparent latch designed with

3-state outputs and is intended for bus oriented applications. When

Latch Enable (LE) is HIGH, the flip-flops appear transparent to the

data. The data that meets the set-up time when LE is LOW is latched.

When OE is HIGH, the bus output is in the high impedance state.

The PI74LPT573 can be driven from either 3.3V or 5.0V devices

allowing this device to be used as a translator in a mixed

3.3/5.0V system.

Pinout

Pin Description

GND

Pin Name

D7-D0

O7-O0

GND

20-Pin

R20

Q20

L20

S20

Description

Output Enable Input (Active LOW)

Latch Enable Input (Active HIGH)

Data Inputs

3-State Outputs

Ground

Power

Vcc

Fast CMOS 3.3V 8-Bit

Transparent Latch

PI74LPT573

PS2063A 01/15/97

Related parts for PI74LPT573AQ

PI74LPT573AQ Summary of contents

Page 1

... H = High Voltage Level Don't Care Low Voltage Level High Impedance Description Pericom Semiconductor’s PI74LPT series of logic circuits are pro- duced in the Company’s advanced 0.6 micron CMOS technology, achieving industry leading speed grades. The PI74LPT573 is an 8-bit transparent latch designed with 3-state outputs and is intended for bus oriented applications ...

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... Conditions Min. Max 50pF 1.5 8 500 L 2.0 12.0 1.5 9.5 (4) 1.5 6.5 2.0 1.5 6.0 0.5 Pericom Semiconductor Corporation 4 PI74LPT573 3.3V 8-BIT TRANSPARENT LATCH LPT573A LPT573C Com. Com. (3) (3) Min. Max. Min. Max. 1.5 5.2 1.5 4.2 2.0 8.5 2.0 5.5 1 ...

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