74FR244 Fairchild, 74FR244 Datasheet

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74FR244

Manufacturer Part Number
74FR244
Description
Octal Buffer/Line Driver with 3-STATE Outputs
Manufacturer
Fairchild
Datasheet

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Part Number
Manufacturer
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Part Number:
74FR244PC
Manufacturer:
NS/国半
Quantity:
20 000
© 1999 Fairchild Semiconductor Corporation
74FR244SC
74FR244SJ
74FR244PC
74FR244
Octal Buffer/Line Driver with 3-STATE Outputs
General Description
The 74FR244 is a non-inverting octal buffer and line driver
designed to be employed as memory and address driver,
clock driver and bus-oriented transmitter/receiver.
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
M20B
M20D
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 Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
DS010900
Features
Pin Descriptions
Truth Tables
H
L
X
Z
3-STATE outputs drive bus lines or buffer memory
address registers
Outputs sink 64 mA and source 15 mA
Guaranteed pin-to-pin skew
LOW Voltage Level
Immaterial
High Impedance
Pin Names
HIGH Voltage Level
OE
I
O
OE
OE
0
–I
0
H
H
L
L
L
L
–O
Package Description
1
7
1
2
,–OE
Inputs
Inputs
7
2
I
H
X
I
H
X
L
L
n
n
Output Enable Input (Active-LOW)
Inputs
Outputs
December 1990
Revised August 1999
Description
(Pins 12, 14, 16, 18)
(Pins 3, 5, 7, 9)
Outputs
Outputs
www.fairchildsemi.com
H
H
L
Z
L
Z

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74FR244 Summary of contents

Page 1

... Octal Buffer/Line Driver with 3-STATE Outputs General Description The 74FR244 is a non-inverting octal buffer and line driver designed to be employed as memory and address driver, clock driver and bus-oriented transmitter/receiver. Ordering Code: Order Number Package Number 74FR244SC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide ...

Page 2

... Bus Drainage Test ZZ I Power Supply Current CCH I Power Supply Current CCL I Power Supply Current CCZ C Input Capacitance IN www.fairchildsemi.com Recommended Operating (Note 1) Conditions 150 125 C Free Air Ambient Temperature 150 C Supply Voltage 0.5V to 7.0V 0. 5 0.5V to 5.5V Note 1: Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired ...

Page 3

... Min Max 1.0 5.0 1.0 5.0 2.5 7.7 2.5 7.7 1.6 6.5 1.6 6.5 1.6 1.0 3.5 ), LOW-to-HIGH HIGH-to-LOW and/or LOW-to-HIGH, (t OSHL OSLH 5.0V CC Units Min Max 1.0 3.9 ns 1.0 3.9 2.5 6.6 ns 2.5 6.6 1.6 6.4 ns 1 250 pF L Units (Note 4) Min Max 2.3 7.3 ns 2.3 7 Specification guaran- OST www.fairchildsemi.com ...

Page 4

... Physical Dimensions inches (millimeters) unless otherwise noted 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 www.fairchildsemi.com Package Number M20B Package Number M20D 4 ...

Page 5

... 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 at any time without notice to change said circuitry and specifications. ...

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