MC74VHCT240ADT datasheet, PDF - EEWORLD Datasheet

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MC74VHCT240ADT: DescriptionOctal Bus Buffer/Line Driver; Categorylogic logic; File Size98KB，6 Pages; ManufacturerON Semiconductor; Websitehttp://www.onsemi.cn; Environmental Compliance

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MC74VHCT240ADT Overview

Octal Bus Buffer/Line Driver

MC74VHCT240ADT Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	ON Semiconductor
Parts packaging code	TSSOP
package instruction	TSSOP-20
Contacts	20
Reach Compliance Code	unknow
Is Samacsys	N
Control type	ENABLE LOW
series	AHCT/VHCT
JESD-30 code	R-PDSO-G20
JESD-609 code	e4
length	6.5 mm
Load capacitance (CL)	50 pF
Logic integrated circuit type	BUS DRIVER
MaximumI(ol)	0.008 A
Humidity sensitivity level	1
Number of digits	4
Number of functions	2
Number of ports	2
Number of terminals	20
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output characteristics	3-STATE
Output polarity	INVERTED
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	SOP20,.4
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	5 V
Prop。Delay @ Nom-Su	10 ns
propagation delay (tpd)	10 ns
Certification status	Not Qualified
Maximum seat height	1.2 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	INDUSTRIAL
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	4.4 mm
Base Number Matches	1

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MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

Octal Bus Buffer/Line Driver

Inverting with 3-State Outputs

The MC74VHCT240A is an advanced high speed CMOS octal bus buffer

fabricated with silicon gate CMOS technology. It achieves high speed

operation similar to equivalent Bipolar Schottky TTL while maintaining

CMOS low power dissipation.

The MC74VHCT240A is an inverting 3–state buffer, and has two

active–low output enables. This device is designed to be used with 3–state

memory address drivers, etc.

The VHCT inputs are compatible with TTL levels. This device can be used

as a level converter for interfacing 3.3V to 5.0V, because it has full 5V CMOS

level output swings.

The VHCT240A input and output (when disabled) structures provide

protection when voltages between 0V and 5.5V are applied, regardless of

the supply voltage. These input and output structures help prevent device

destruction caused by supply voltage – input/output voltage mismatch,

battery backup, hot insertion, etc.

•

High Speed: tPD = 5.6ns (Typ) at VCC = 5V

Low Power Dissipation: ICC = 4µA (Max) at TA = 25°C

TTL–Compatible Inputs: VIL = 0.8V; VIH = 2.0V

Power Down Protection Provided on Inputs and Outputs

Balanced Propagation Delays

Designed for 4.5V to 5.5V Operating Range

Low Noise: VOLP = 1.1V (Max)

Pin and Function Compatible with Other Standard Logic Families

Latchup Performance Exceeds 300mA

ESD Performance: HBM > 2000V; Machine Model > 200V

Chip Complexity: 110 FETs or 27.5 Equivalent Gates

LOGIC DIAGRAM

DATA

INPUTS

MC74VHCT240A

DW SUFFIX

20–LEAD SOIC PACKAGE

CASE 751D–04

DT SUFFIX

20–LEAD TSSOP PACKAGE

CASE 948E–02

M SUFFIX

20–LEAD SOIC EIAJ PACKAGE

CASE 967–01

ORDERING INFORMATION

MC74VHCTXXXADW SOIC

MC74VHCTXXXADT

TSSOP

MC74VHCTXXXAM

SOIC EIAJ

PIN ASSIGNMENT

YA1

OEA

YA2

YA3

YA4

YB1

YB2

YB3

YB4

INVERTING

OUTPUTS

YB4

YB3

YB2

YB1

GND

VCC

OEB

YA1

YA2

YA3

YA4

FUNCTION TABLE

INPUTS

OUTPUTS

A, B

YA, YB

OUTPUT

ENABLES

OEA

OEB

OEA, OEB

6/97

Motorola, Inc. 1997

REV 0

MC74VHCT240ADT Related Products

	MC74VHCT240ADT	MC74VHCT240AM	MC74VHCT240ADW	MC74VHCT240A
Description	Octal Bus Buffer/Line Driver	Octal Bus Buffer/Line Driver	Octal Bus Buffer/Line Driver	Octal Bus Buffer/Line Driver
Is it Rohs certified?	conform to	conform to	incompatible	-
Maker	ON Semiconductor	ON Semiconductor	ON Semiconductor	-
Parts packaging code	TSSOP	SOIC	SOIC	-
package instruction	TSSOP-20	SOP, SOP20,.3	SOIC-20	-
Contacts	20	20	20	-
Reach Compliance Code	unknow	unknown	_compli	-
Control type	ENABLE LOW	ENABLE LOW	ENABLE LOW	-
series	AHCT/VHCT	AHCT/VHCT	AHCT/VHCT	-
JESD-30 code	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	-
JESD-609 code	e4	e4	e0	-
length	6.5 mm	12.575 mm	12.8 mm	-
Load capacitance (CL)	50 pF	50 pF	50 pF	-
Logic integrated circuit type	BUS DRIVER	BUS DRIVER	BUS DRIVER	-
MaximumI(ol)	0.008 A	0.008 A	0.008 A	-
Humidity sensitivity level	1	3	1	-
Number of digits	4	4	4	-
Number of functions	2	2	2	-
Number of ports	2	2	2	-
Number of terminals	20	20	20	-
Maximum operating temperature	85 °C	85 °C	85 °C	-
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-
Output characteristics	3-STATE	3-STATE	3-STATE	-
Output polarity	INVERTED	INVERTED	INVERTED	-
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-
encapsulated code	TSSOP	SOP	SOP	-
Encapsulate equivalent code	SOP20,.4	SOP20,.3	TSSOP20,.25	-
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	-
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE	SMALL OUTLINE	-
power supply	5 V	5 V	5 V	-
propagation delay (tpd)	10 ns	10 ns	10 ns	-
Certification status	Not Qualified	Not Qualified	Not Qualified	-
Maximum seat height	1.2 mm	2.05 mm	2.65 mm	-
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V	-
Minimum supply voltage (Vsup)	4.5 V	4.5 V	4.5 V	-
Nominal supply voltage (Vsup)	5 V	5 V	5 V	-
surface mount	YES	YES	YES	-
technology	CMOS	CMOS	CMOS	-
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	-
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)	Tin/Lead (Sn/Pb)	-
Terminal form	GULL WING	GULL WING	GULL WING	-
Terminal pitch	0.65 mm	1.27 mm	1.27 mm	-
Terminal location	DUAL	DUAL	DUAL	-
width	4.4 mm	5.275 mm	7.5 mm	-

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