MM74HC244WMX Fairchild Semiconductor, MM74HC244WMX Datasheet

MM74HC244WMX

Manufacturer Part Number

MM74HC244WMX

Description

IC BUFF/DVR TRI-ST DUAL 20SOIC

Manufacturer

Fairchild Semiconductor

Series

74HCr

Datasheet

1.MM74HC244WMX.pdf (8 pages)

Specifications of MM74HC244WMX

Logic Type

Buffer/Line Driver, Non-Inverting

Number Of Elements

Number Of Bits Per Element

Current - Output High, Low

7.8mA, 7.8mA

Voltage - Supply

2 V ~ 6 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

20-SOIC (7.5mm Width)

Logic Family

74HC

Number Of Channels Per Chip

Octal

Polarity

Non-Inverting

Supply Voltage (max)

6 V

Supply Voltage (min)

2 V

Maximum Operating Temperature

85 C

Mounting Style

SMD/SMT

High Level Output Current

- 7.8 mA

Input Bias Current (max)

8 uA

Low Level Output Current

7.8 mA

Maximum Power Dissipation

500 mW

Minimum Operating Temperature

- 40 C

Output Type

3-State

Propagation Delay Time

165 ns @ 2 V or 33 ns @ 4.5 V or 28 ns @ 6 V

Logical Function

Buffer/Line Driver

Number Of Elements

Number Of Channels

Number Of Inputs

Number Of Outputs

Operating Supply Voltage (typ)

2.5/3.3/5V

Package Type

SOIC W

Operating Supply Voltage (max)

Operating Supply Voltage (min)

Quiescent Current

8uA

Technology

CMOS

Pin Count

Mounting

Surface Mount

Operating Temp Range

-40C to 85C

Operating Temperature Classification

Industrial

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

MM74HC244WMX
MM74HC244WMXTR

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MM74HC244WMX

Manufacturer:

FAIR

Quantity:

700

Company:

Meier Automation Equipment Co., Limited

Part Number:

MM74HC244WMX

Manufacturer:

FSC

Quantity:

20 000

Current page: 1 of 8
Download datasheet (105Kb)

MM74HC244WM

MM74HC244SJ

MM74HC244MTC

MM74HC244N

MM74HC244

Octal 3-STATE Buffer

General Description

The MM74HC244 is a non-inverting buffer and has two

active low enables (1G and 2G); each enable indepen-

dently controls 4 buffers. This device does not have

Schmitt trigger inputs.

These 3-STATE buffers utilize advanced silicon-gate

CMOS technology and are general purpose high speed

non-inverting buffers. They possess high drive current out-

puts which enable high speed operation even when driving

large bus capacitances. These circuits achieve speeds

comparable to low power Schottky devices, while retaining

the advantage of CMOS circuitry, i.e., high noise immunity,

and low power consumption. All three devices have a

fanout of 15 LS-TTL equivalent inputs.

All inputs are protected from damage due to static dis-

charge by diodes to V

Ordering Code:

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagram

Order Number

Package Number

MTC20

Top View

and ground.

M20D

M20B

N20A

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide

20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide

DS005327

Features

Truth Table

Typical propagation delay: 14 ns

3-STATE outputs for connection to system buses

Wide power supply range: 2–6V

Low quiescent supply current: 80

Output current: 6 mA

LOW Level

High Impedance

HIGH Level

Package Description

September 1983

Revised May 2005

www.fairchildsemi.com

Related parts for MM74HC244WMX

MM74HC244WMX Summary of contents

Page 1

... Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Top View © 2005 Fairchild Semiconductor Corporation Features Typical propagation delay 3-STATE outputs for connection to system buses Wide power supply range: 2– ...

Page 2

Logic Diagram www.fairchildsemi.com 2 ...

Page 3

Absolute Maximum Ratings (Note 2) Supply Voltage ( Input Voltage ( Output Voltage (V ) OUT Clamp Diode Current ( Output Current, per pin (I ) ...

Page 4

AC Electrical Characteristics q 5V Symbol Parameter Maximum Propagation PHL PLH Delay Maximum Enable Delay PZH PZL to Active Output t , ...

Page 5

Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide Package Number M20B 5 www.fairchildsemi.com ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide www.fairchildsemi.com Package Number M20D 6 ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Package Number MTC20 7 www.fairchildsemi.com ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right ...

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