MC74HCT244AF datasheet, PDF - EEWORLD Datasheet

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MC74HCT244AF: DescriptionBuffers u0026 Line Drivers 5V Octal 3-State; Categorylogic logic; File Size152KB，8 Pages; ManufacturerON Semiconductor; Websitehttp://www.onsemi.cn; Environmental Compliance

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MC74HCT244AF Overview

Buffers u0026 Line Drivers 5V Octal 3-State

MC74HCT244AF Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	ON Semiconductor
Parts packaging code	SOIC
package instruction	SOP, SOP20,.3
Contacts	20
Reach Compliance Code	unknown
Control type	ENABLE LOW
series	HCT
JESD-30 code	R-PDSO-G20
JESD-609 code	e4
length	12.575 mm
Load capacitance (CL)	50 pF
Logic integrated circuit type	BUS DRIVER
MaximumI(ol)	0.006 A
Humidity sensitivity level	3
Number of digits	4
Number of functions	2
Number of ports	2
Number of terminals	20
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Output characteristics	3-STATE
Output polarity	TRUE
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP20,.3
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
method of packing	RAIL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	5 V
Prop。Delay @ Nom-Sup	30 ns
propagation delay (tpd)	30 ns
Certification status	Not Qualified
Maximum seat height	2.05 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	MILITARY
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	5.275 mm
Base Number Matches	1

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MC74HCT244A

Octal 3-State Noninverting

Buffer/Line Driver/

Line Receiver with

LSTTL-Compatible Inputs

High−Performance Silicon−Gate CMOS

The MC74HCT244A is identical in pinout to the LS244. This

device may be used as a level converter for interfacing TTL or NMOS

outputs to High−Speed CMOS inputs. The HCT244A is an octal

noninverting buffer line driver line receiver designed to be used with

3−state memory address drivers, clock drivers, and other bus−oriented

systems. The device has non−inverted outputs and two active−low

output enables.

The HCT244A is the non−inverting version of the HCT240. See

also HCT241.

Features

http://onsemi.com

PDIP−20

N SUFFIX

CASE 738

SOIC−20W

DW SUFFIX

CASE 751D

•

Output Drive Capability: 15 LSTTL Loads

TTL NMOS−Compatible Input Levels

Outputs Directly Interface to CMOS, NMOS, and TTL

Operating Voltage Range: 4.5 to 5.5 V

Low Input Current: 1

In Compliance with the Requirements Defined by JEDEC Standard

No. 7 A

•

Chip Complexity: 112 FETs or 28 Equivalent Gates

•

NLV Prefix for Automotive and Other Applications Requiring

Unique Site and Control Change Requirements; AEC−Q100

Qualified and PPAP Capable

•

These Devices are Pb−Free and are RoHS Compliant

DATA INPUTS

YA1

YA2

YA3

YA4

YB1

YB2

YB3

YB4

TSSOP−20

DT SUFFIX

CASE 948E

SOEIAJ−20

M SUFFIX

CASE 967

PIN ASSIGNMENT

ENABLE A

YB4

YB3

YB2

ENABLE B

YA1

YA2

YA3

YA4

NONINVERTING

OUTPUTS

YB1

GND

FUNCTION TABLE

Inputs

Enable A,

Enable B

A, B

Outputs

YA, YB

OUTPUT ENABLE A

ENABLES ENABLE B 19

PIN 20 = V

PIN 10 = GND

Z = high impedance, X = don’t care

ORDERING AND MARKING INFORMATION

See detailed ordering, shipping, and marking information in

the package dimensions section on page 5 of this data sheet.

Figure 1. Logic Diagram

Semiconductor Components Industries, LLC, 2013

February, 2013

−

Rev. 13

Publication Order Number:

MC74HCT244A/D

MC74HCT244AF Related Products

	MC74HCT244AF	MC74HCT244ADTR2	MC74HCT244ADWR2	MC74HCT244AN
Description	Buffers u0026 Line Drivers 5V Octal 3-State	Buffers u0026 Line Drivers 5V Octal 3-State	Buffers u0026 Line Drivers 5V Octal 3-State	Buffers u0026 Line Drivers 5V Octal 3-State
Is it Rohs certified?	conform to	conform to	incompatible	incompatible
Maker	ON Semiconductor	ON Semiconductor	ON Semiconductor	ON Semiconductor
Parts packaging code	SOIC	TSSOP	SOIC	DIP
package instruction	SOP, SOP20,.3	TSSOP, TSSOP20,.25	SOIC-20	DIP, DIP20,.3
Contacts	20	20	20	20
Reach Compliance Code	unknown	unknown	not_compliant	not_compliant
Control type	ENABLE LOW	ENABLE LOW	ENABLE LOW	ENABLE LOW
series	HCT	HCT	HCT	HCT
JESD-30 code	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDIP-T20
JESD-609 code	e4	e4	e0	e0
length	12.575 mm	6.5 mm	12.8 mm	26.415 mm
Load capacitance (CL)	50 pF	50 pF	50 pF	50 pF
Logic integrated circuit type	BUS DRIVER	BUS DRIVER	BUS DRIVER	BUS DRIVER
MaximumI(ol)	0.006 A	0.006 A	0.006 A	0.006 A
Number of digits	4	4	4	4
Number of functions	2	2	2	2
Number of ports	2	2	2	2
Number of terminals	20	20	20	20
Maximum operating temperature	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-55 °C	-55 °C	-55 °C	-55 °C
Output characteristics	3-STATE	3-STATE	3-STATE	3-STATE
Output polarity	TRUE	TRUE	TRUE	TRUE
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	TSSOP	SOP	DIP
Encapsulate equivalent code	SOP20,.3	TSSOP20,.25	SOP20,.4	DIP20,.3
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE	IN-LINE
method of packing	RAIL	TAPE AND REEL	TAPE AND REEL	RAIL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	260	240	240
power supply	5 V	5 V	5 V	5 V
Prop。Delay @ Nom-Sup	30 ns	30 ns	30 ns	30 ns
propagation delay (tpd)	30 ns	30 ns	30 ns	30 ns
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	2.05 mm	1.2 mm	2.65 mm	4.57 mm
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage (Vsup)	4.5 V	4.5 V	4.5 V	4.5 V
Nominal supply voltage (Vsup)	5 V	5 V	5 V	5 V
surface mount	YES	YES	YES	NO
technology	CMOS	CMOS	CMOS	CMOS
Temperature level	MILITARY	MILITARY	MILITARY	MILITARY
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)	Tin/Lead (Sn80Pb20)	Tin/Lead (Sn/Pb)
Terminal form	GULL WING	GULL WING	GULL WING	THROUGH-HOLE
Terminal pitch	1.27 mm	0.65 mm	1.27 mm	2.54 mm
Terminal location	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	40	30	30
width	5.275 mm	4.4 mm	7.5 mm	7.62 mm
Base Number Matches	1	1	1	1

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