74244 Datasheet PDF - Fairchild Semiconductor
Part Number | 74244 | |
Description | Octal 3-STATE Buffer/Line Driver/Line Receiver | |
Manufacturers | Fairchild Semiconductor | |
Logo | ||
There is a preview and 74244 download ( pdf file ) link at the bottom of this page. Total 6 Pages |
Preview 1 page No Preview Available ! August 1986
Revised March 2000
DM74LS244
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 IOL (sink current)
24 mA
s Typical IOH (source current) −15 mA
s Typical propagation delay times
Inverting
10.5 ns
Noninverting 12 ns
s Typical enable/disable time 18 ns
s Typical power dissipation (enabled)
Inverting
130 mW
Noninverting 135 mW
Ordering Code:
Order Number Package Number
Package Description
DM74LS244WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
DM74LS244SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
DM74LS244N
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
Inputs
GA
LL
LH
HX
L = LOW Logic Level
H = HIGH Logic Level
X = Either LOW or HIGH Logic Level
Z = High Impedance
Output
Y
L
H
Z
© 2000 Fairchild Semiconductor Corporation DS008442
www.fairchildsemi.com
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Package Number M20D
5 www.fairchildsemi.com
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74244 electronic component. |
Information | Total 6 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ 74244.PDF Datasheet ] |
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