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DM74S240N

Description
Octal 3-STATE Buffer/Line Driver/Line Receiver
Categorylogic    logic   
File Size45KB,4 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
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DM74S240N Overview

Octal 3-STATE Buffer/Line Driver/Line Receiver

DM74S240N Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerFairchild
Parts packaging codeDIP
package instruction0.300 INCH, PLASTIC, MS-001, DIP-20
Contacts20
Reach Compliance Codeunknow
Is SamacsysN
Other featuresOUTPUT ENABLE ACTIVE HIGH FOR ONE FUNCTION
Control typeENABLE LOW
seriesS
JESD-30 codeR-PDIP-T20
JESD-609 codee0
length26.075 mm
Logic integrated circuit typeBUS DRIVER
MaximumI(ol)0.064 A
Number of digits4
Number of functions2
Number of ports2
Number of terminals20
Maximum operating temperature70 °C
Minimum operating temperature
Output characteristics3-STATE
Output polarityTRUE
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Encapsulate equivalent codeDIP20,.3
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply5 V
Maximum supply current (ICC)150 mA
Prop。Delay @ Nom-Su7 ns
propagation delay (tpd)10 ns
Certification statusNot Qualified
Maximum seat height5.08 mm
Maximum supply voltage (Vsup)5.25 V
Minimum supply voltage (Vsup)4.75 V
Nominal supply voltage (Vsup)5 V
surface mountNO
technologyTTL
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width7.62 mm
Base Number Matches1
DM74S240 • DM74S241 • DM74S244 Octal 3-STATE Buffer/Line Driver/Line Receiver
August 1986
Revised May 2000
DM74S240 • DM74S241 • DM74S244
Octal 3-STATE Buffer/Line Driver/Line Receiver
General Description
These buffers/line drivers are designed to improve both the
performance and PC board density of 3-STATE buffers/
drivers employed as memory-address drivers, clock driv-
ers, and bus-oriented transmitters/receivers. Featuring 400
mV of hysteresis at each low current PNP data line input,
they provide improved noise rejection and high fanout out-
puts, and can be used to drive terminated lines down to
133Ω.
Features
s
3-STATE outputs drive bus lines directly
s
PNP inputs reduce DC loading on bus lines
s
Hysteresis at data inputs improves noise margins
s
Typical I
OL
(sink current)
s
Typical I
OH
(source current)
Inverting
Noninverting
4.5 ns
6 ns
64 mA
−15
mA
s
Typical propagation delay times
s
Typical enable/disable times 9 ns
s
Typical power dissipation (enabled)
Inverting
Noninverting
450 mW
538 mW
Ordering Code:
Order Number
DM74S240N
DM74S241N
DM74S244N
Package Number
N20A
N20A
N20A
Package Description
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Connection Diagrams
DM74S240N
DM74S241N
DM74S244N
© 2000 Fairchild Semiconductor Corporation
DS006478
www.fairchildsemi.com

DM74S240N Related Products

DM74S240N DM74S244N DM74S240 DM74S241N
Description Octal 3-STATE Buffer/Line Driver/Line Receiver Octal 3-STATE Buffer/Line Driver/Line Receiver Octal 3-STATE Buffer/Line Driver/Line Receiver Octal 3-STATE Buffer/Line Driver/Line Receiver
Is it Rohs certified? incompatible incompatible - incompatible
Maker Fairchild Fairchild - Fairchild
Parts packaging code DIP DIP - DIP
package instruction 0.300 INCH, PLASTIC, MS-001, DIP-20 DIP, DIP20,.3 - DIP, DIP20,.3
Contacts 20 20 - 20
Reach Compliance Code unknow unknow - unknow
Other features OUTPUT ENABLE ACTIVE HIGH FOR ONE FUNCTION OUTPUT ENABLE ACTIVE HIGH FOR ONE FUNCTION - OUTPUT ENABLE ACTIVE HIGH FOR ONE FUNCTION
Control type ENABLE LOW ENABLE LOW - ENABLE LOW/HIGH
series S S - S
JESD-30 code R-PDIP-T20 R-PDIP-T20 - R-PDIP-T20
JESD-609 code e0 e0 - e0
length 26.075 mm 26.075 mm - 26.075 mm
Logic integrated circuit type BUS DRIVER BUS DRIVER - BUS DRIVER
MaximumI(ol) 0.064 A 0.064 A - 0.064 A
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 70 °C 70 °C - 70 °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 DIP DIP - DIP
Encapsulate equivalent code DIP20,.3 DIP20,.3 - DIP20,.3
Package shape RECTANGULAR RECTANGULAR - RECTANGULAR
Package form IN-LINE IN-LINE - IN-LINE
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED - NOT SPECIFIED
power supply 5 V 5 V - 5 V
Maximum supply current (ICC) 150 mA 180 mA - 180 mA
Prop。Delay @ Nom-Su 7 ns 9 ns - 9 ns
propagation delay (tpd) 10 ns 12 ns - 12 ns
Certification status Not Qualified Not Qualified - Not Qualified
Maximum seat height 5.08 mm 5.08 mm - 5.08 mm
Maximum supply voltage (Vsup) 5.25 V 5.25 V - 5.25 V
Minimum supply voltage (Vsup) 4.75 V 4.75 V - 4.75 V
Nominal supply voltage (Vsup) 5 V 5 V - 5 V
surface mount NO NO - NO
technology TTL TTL - TTL
Temperature level COMMERCIAL COMMERCIAL - COMMERCIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb)
Terminal form THROUGH-HOLE THROUGH-HOLE - THROUGH-HOLE
Terminal pitch 2.54 mm 2.54 mm - 2.54 mm
Terminal location DUAL DUAL - DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED - NOT SPECIFIED
width 7.62 mm 7.62 mm - 7.62 mm
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