TC74LCX245F 查看數據表（PDF） - Toshiba

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TC74LCX245F

Low-Voltage Octal Bus Transceiver with 5-V Tolerant Inputs and Outputs

Toshiba 

TC74LCX245F/FT/FK

Output Enable

( OE )

Output (An, Bn)

Low to Off to Low

Output (An, Bn)

High to Off to High

tr 2.5 ns

tpLZ

tf 2.5 ns

90%

1.5 V

10%

tpZL

tpHZ

VOL

+ 0.3 V

tpZH

VOH − 0.3 V

Outputs

enabled

Outputs

disabled

1.5 V

1.5 V

Outputs

enabled

Figure 3 tpLZ, tpHZ, tpZL, tpZH

2.7 V

GND

3.0 V

VOL

VOH

GND

6

2007-10-19

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