| 制造商 | 部件名 | 数据表 | 功能描述 |
 List of Unclassifed Man... |
54LS21
|
51Kb/1P
|
DUAL 4-INPUT POSITIVE AND GATE
|
 Texas Instruments |
74LS21
|
509Kb/12P
|
DUAL 4-INPUT POSITIVE-AND GATES
|
 Hitachi Semiconductor |
74LS21
|
43Kb/5P
|
Dual 4-input Positive AND Gates
|
 Motorola, Inc |
74LS21
|
118Kb/4P
|
DUAL 4-INPUT AND GATE
|
 List of Unclassifed Man... |
74LS21
|
51Kb/1P
|
DUAL 4-INPUT POSITIVE AND GATE
|
 List of Unclassifed Man... |
GD54LS21
|
96Kb/2P
|
DUAL 4-INPUT POSITIVE AND GATES
|
|
GD74LS21
|
96Kb/2P
|
DUAL 4-INPUT POSITIVE AND GATES
|
 Hitachi Semiconductor |
HD74LS21
|
43Kb/5P
|
Dual 4-input Positive AND Gates
|
|
HD74LS21
|
6Mb/273P
|
Ouadruple 2-input Positive NAND Gates
|
 Renesas Technology Corp |
HD74LS21
|
55Kb/5P
|
Dual 4-input Positive AND Gates
|
 NTE Electronics |
NTE74LS21
|
52Kb/1P
|
INTEGRATED CIRCUITS-TTL
|
 Texas Instruments |
SN54LS21
|
509Kb/12P
|
DUAL 4-INPUT POSITIVE-AND GATES
|
|
SN54LS21
|
840Kb/16P
|
DUAL 4-INPUT POSITIVE-AND GATES
|
 Motorola, Inc |
SN54LS21
|
118Kb/4P
|
DUAL 4-INPUT AND GATE
|
 Texas Instruments |
SN74LS21
|
509Kb/12P
|
DUAL 4-INPUT POSITIVE-AND GATES
|
|
SN74LS21
|
840Kb/16P
|
DUAL 4-INPUT POSITIVE-AND GATES
|