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DM74ALS38A Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. DM74ALS38A
Description  Quadruple 2-Input NAND Buffer with Open-Collector Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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DM74ALS38A Datasheet(HTML) 1 Page - Fairchild Semiconductor

   
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© 2000 Fairchild Semiconductor Corporation
DS006193
www.fairchildsemi.com
September 1986
Revised February 2000
DM74ALS38A
Quadruple 2-Input NAND Buffer
with Open-Collector Outputs
General Description
This device contains four independent gates, each of which
performs the logic NAND function. The open-collector out-
puts require external pull-up resistors for proper logical
operation.
Pull-Up Resistor Equations
Where:
N1 (IOH) = total maximum output HIGH current
for all outputs tied to pull-up resistor
N2 (IIH) = total maximum input HIGH current
for all inputs tied to pull-up resistor
N3 (IIL) = total maximum input LOW current for
all inputs tied to pull-up resistor
Features
s Switching specifications at 50 pF
s Switching specifications guaranteed over full tempera-
ture and VCC range
s Advanced oxide-isolated, ion-implanted Schottky TTL
process
s Functionally and pin for pin compatible with LS TTL
counterpart
s Improved AC performance over LS38
s Improved line receiving characteristics
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
Y
= AB
H
= HIGH Logic Level
L
= LOW Logic Level
Order Number
Package Number
Package Description
DM74ALS38AM
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
DM74ALS38AN
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Inputs
Output
AB
Y
LL
H
LH
H
HL
H
HH
L


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