74AC240 Fairchild Semiconductor, 74AC240 Datasheet

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74AC240

Manufacturer Part Number
74AC240
Description
Manufacturer
Fairchild Semiconductor
Datasheet

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© 1999 Fairchild Semiconductor Corporation
74AC240 • 74ACT240
Octal Buffer/Line Driver with 3-STATE Outputs
General Description
The AC/ACT240 is an octal buffer and line driver designed
to be employed as a memory address driver, clock driver
and bus oriented transmitter or receiver which provides
improved PC board density.
Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
FACT
Order Number
74AC240SC
74AC240SJ
74AC240MTC
74AC240PC
74ACT240SC
74ACT240SJ
74ACT240MTC
74ACT240PC
is a trademark of Fairchild Semiconductor Corporation.
Package Number
MTC20
MTC20
IEEE/IEC
M20B
M20D
M20B
M20D
N20A
N20A
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body
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
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body
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
DS009941
Features
Pin Descriptions
Truth Tables
H
L
X
Z
I
Inverting 3-STATE outputs drive bus lines or buffer
memory address registers
Outputs source/sink 24 mA
ACT240 has TTL-compatible inputs
LOW Voltage Level
Immaterial
High Impedance
CC
HIGH Voltage Level
OE
I
O
and I
0
Package Description
Pin Names
–I
0
–O
OE
OE
1
7
H
H
, OE
L
L
L
L
OZ
7
1
2
Inputs
Inputs
reduced by 50%
2
I
H
X
I
H
X
L
L
n
n
3-STATE Output Enable Inputs
Inputs
Outputs
November 1988
Revised November 1999
(Pins 12, 14, 16, 18)
Description
(Pins 3, 5, 7, 9)
Outputs
Outputs
www.fairchildsemi.com
H
H
L
Z
L
Z

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74AC240 Summary of contents

Page 1

... Octal Buffer/Line Driver with 3-STATE Outputs General Description The AC/ACT240 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved PC board density. Ordering Code: Order Number ...

Page 2

Absolute Maximum Ratings Supply Voltage ( Input Diode Current ( 0. 0. Input Voltage ( Output Diode Current ( ...

Page 3

DC Electrical Characteristics for ACT V Symbol Parameter (V) V Minimum HIGH Level 4.5 IH Input Voltage 5.5 V Maximum LOW Level 4.5 IL Input Voltage 5.5 V Minimum HIGH Level 4.5 OH Output Voltage 5.5 4.5 5.5 V Maximum ...

Page 4

AC Electrical Characteristics Symbol Parameter t Propagation Delay PLH Data to Output t Propagation Delay PHL Data to Output t Output Enable Time PZH t Output Enable Time PZL t Output Disable Time PHZ t Output Disable Time PLZ Note ...

Page 5

Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body 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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