74VHC244SJX_NL datasheet, PDF - EEWORLD Datasheet

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74VHC244SJX_NL: DescriptionBuffers and Line Drivers; Categorylogic logic; File Size97KB，8 Pages; ManufacturerFairchild; Websitehttp://www.fairchildsemi.com/; Environmental Compliance

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74VHC244SJX_NL Overview

Buffers and Line Drivers

74VHC244SJX_NL Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Fairchild
Reach Compliance Code	compli
Control type	ENABLE LOW
JESD-30 code	R-PDSO-G20
Logic integrated circuit type	BUS DRIVER
MaximumI(ol)	0.008 A
Number of digits	4
Number of functions	2
Number of terminals	20
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °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	TAPE AND REEL
power supply	2/5.5 V
Prop。Delay @ Nom-Su	8.5 ns
Certification status	Not Qualified
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Base Number Matches	1

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74VHC244 Octal Buffer/Line Driver with 3-STATE Outputs

November 1992

Revised April 2005

74VHC244

Octal Buffer/Line Driver with 3-STATE Outputs

General Description

The VHC244 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 the CMOS low power dissi-

pation. The VHC244 is a non-inverting 3-STATE buffer hav-

ing two active-LOW output enables. These devices are

designed to be used as 3-STATE memory address drivers,

clock drivers, and bus oriented transmitter/receivers.

An input protection circuit ensures that 0V to 7V can be

applied to the input pins without regard to the supply volt-

age. This device can be used to interface 5V to 3V systems

and two supply systems such as battery back up. This cir-

cuit prevents device destruction due to mismatched supply

and input voltages.

Features

High Speed: t

3.9ns (typ) at V

NIL

High noise immunity: V

NIH

Low noise: V

OLP

28% V

(min)

Power down protection is provided on all inputs

0.6V (typ)

A (max) @ T

Low power dissipation: I

Pin and function compatible with 74HC244

Ordering Code:

Order Number

74VHC244M

74VHC244SJ

74VHC244MTC

74VHC244N

Package Number

M20B

M20D

MTC20

N20A

Package Description

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

Pb-Free 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

Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Pb-Free package per JEDEC J-STD-020B.

Logic Symbol

IEEE/IEC

Connection Diagram

DS011522

www.fairchildsemi.com

74VHC244SJX_NL Related Products

	74VHC244SJX_NL	74VHC244MX_NL	74VHC244MTCX_NL
Description	Buffers and Line Drivers	buffers and line drivers finished good	buffers and line drivers finished good
Is it Rohs certified?	conform to	conform to	conform to
Maker	Fairchild	Fairchild	Fairchild
Reach Compliance Code	compli	compli	compli
Control type	ENABLE LOW	ENABLE LOW	ENABLE LOW
JESD-30 code	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20
Logic integrated circuit type	BUS DRIVER	BUS DRIVER	BUS DRIVER
MaximumI(ol)	0.008 A	0.008 A	0.008 A
Number of digits	4	4	4
Number of functions	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	TRUE	TRUE	TRUE
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	SOP	TSSOP
Encapsulate equivalent code	SOP20,.3	SOP20,.4	TSSOP20,.25
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
method of packing	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL
power supply	2/5.5 V	2/5.5 V	2/5.5 V
Prop。Delay @ Nom-Su	8.5 ns	8.5 ns	8.5 ns
Certification status	Not Qualified	Not Qualified	Not Qualified
surface mount	YES	YES	YES
technology	CMOS	CMOS	CMOS
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal form	GULL WING	GULL WING	GULL WING
Terminal pitch	1.27 mm	1.27 mm	0.65 mm
Terminal location	DUAL	DUAL	DUAL
Base Number Matches	1	1	1
Parts packaging code	-	SOIC	TSSOP
package instruction	-	SOP, SOP20,.4	TSSOP, TSSOP20,.25
Contacts	-	20	20
series	-	AHC/VHC	AHC/VHC
JESD-609 code	-	e3	e3
length	-	12.8015 mm	6.5 mm
Humidity sensitivity level	-	1	1
Number of ports	-	2	2
Peak Reflow Temperature (Celsius)	-	260	260
propagation delay (tpd)	-	13.5 ns	13.5 ns
Maximum seat height	-	2.642 mm	1.2 mm
Maximum supply voltage (Vsup)	-	5.5 V	5.5 V
Minimum supply voltage (Vsup)	-	2 V	2 V
Nominal supply voltage (Vsup)	-	3.3 V	3.3 V
Terminal surface	-	Matte Tin (Sn)	Matte Tin (Sn)
Maximum time at peak reflow temperature	-	NOT SPECIFIED	NOT SPECIFIED
width	-	7.493 mm	4.4 mm

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