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數據: CD54/74HC540, CD74HCT540, CD54/74HC541, CD54/74HCT541 數據表
?? HC540和CD74HCT540是具有三態輸出的反相八路緩沖器和線路驅動器,能夠驅動15個LSTTL負載。 ?? HC541和?? HCT541是非反相八路緩沖器和具有三態輸出的線路驅動器,可驅動15個LSTTL負載。輸出使能(OE1 \)和(OE2 \)控制三態輸出。如果OE1 \或OE2 \為高電平,則輸出將處于高阻態。對于數據輸出,OE1 \和OE2 \都必須為低電平。
Technology Family |
VCC (Min) (V) |
VCC (Max) (V) |
Bits (#) |
Voltage (Nom) (V) |
F @ Nom Voltage (Max) (Mhz) |
ICC @ Nom Voltage (Max) (mA) |
tpd @ Nom Voltage (Max) (ns) |
IOL (Max) (mA) |
IOH (Max) (mA) |
Schmitt Trigger |
Rating |
Operating Temperature Range (C) |
Pin/Package |
CD74HC540 | CD54HC540 |
---|---|
HC | HC |
2 | 2 |
6 | 6 |
8 | 8 |
6 | 6 |
28 | 28 |
0.08 | 0.08 |
24 | 24 |
6 | 6 |
-6 | -6 |
No | No |
Catalog | Military |
-55 to 125 | -55 to 125 |
20PDIP 20SOIC |
20CDIP |
無樣片 |