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參數資料
| 型號： | DM7438MX |
| 英文描述： | Quad 2-input NAND Gate |
| 中文描述： | 四2輸入與非門 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 64K |
| 代理商： | DM7438MX |
2001 Fairchild Semiconductor Corporation
DS006513
www.fairchildsemi.com
September 1986
Revised July 2001
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| DM7438N | 功能描述:邏輯門 Qd 2-Input NAND Buff RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| DM7438N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Quad 2-input NAND Gate |
| DM7438N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Quad 2-input NAND Gate |
| DM7438SJ | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Quad 2-input NAND Gate |
| DM7438SJX | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Quad 2-input NAND Gate |
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