|
型 号
|
厂 家
|
封 装
|
批 号
|
|
DM74LS259WM
|
NATIONAL SEMICONDUCTOR
|
N/A
|
|
|
DM74LS259MX
|
NAT
|
N/A
|
|
|
DM74LS259M
|
NATIONAL SEMICONDUCTOR
|
N/A
|
|
|
DM74LS258BN
|
NAT
|
N/A
|
|
|
DM74LS257BN
|
NAT
|
N/A
|
|
|
DM74LS257BMX
|
FAIRCHILD
|
N/A
|
|
|
DM74LS257BM
|
NATIONAL SEMICONDUCTOR
|
N/A
|
|
|
DM74LS256N
|
NAT
|
N/A
|
|
|
DM74LS253N
|
FAIRCHILD
|
N/A
|
|
|
DM74LS253MX
|
NAT
|
N/A
|
|
|
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