參數(shù)資料
型號(hào)： 7438SJ
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： Quad 2-Input NAND Buffers with Open-Collector Outputs
中文描述： TTL/H/L SERIES, QUAD 2-INPUT NAND GATE, PDSO14
封裝： 5.30 MM, EIAJ TYPE2, SOP-14
文件頁(yè)數(shù)： 1/5頁(yè)
文件大?。?/td> 61K
代理商： 7438SJ
2000 Fairchild Semiconductor Corporation
DS006513
www.fairchildsemi.com
September 1986
Revised February 2000
D
DM7438 7438
Quad 2-Input NAND Buffers 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:
N
1
(I
OH
)
=
total maximum output high current
for all outputs tied to pull-up resistor
N
2
(I
IH
)
=
total maximum input high current for
all inputs tied to pull-up resistor
N
3
(I
IL
)
=
total maximum input low current for
all inputs tied to pull-up resistor
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
DM7438M
DM7438N
7438SJ
Package Number
M14A
N14A
M14D
Package Description
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Inputs
Output
Y
H
H
H
L
A
L
L
H
H
B
L
H
L
H
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相關(guān)代理商/技術(shù)參數(shù)
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