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IC INFORMATION TC74LCXR163245FT
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Function Dual supply bus transceiver 1/1 E
Type CMOS Model DEH-P999HDD
1DIR 1 48 1oe
1B1 2 47 1A1
1B2 3 46 1A2
GND 4 Logic 45 GND
Level
1B3 5 Converter 44 1A3
1B4 6 43 1A4
(3.3V)VCCB 7 42 VCCA(5V)
1B5 8 41 1A5
Same as above block
1B6 9 40 1A6
GND 10 39 GND
1B7 11 38 1A7
1B8 12 37 1A8
2B1 13 36 2A1
2B2 14 35 2A2
GND 15 34 GND
2B3 16 Same as above block 33 2A3
2B4 17 32 2A4
(3.3V)VCCB 18 31 VCCA(5V)
2B5 19 30 2A5
2B6 20 Logic 29 2A6
Level
GND 21 28 GND
Converter
2B7 22 27 2A7
2B8 23 26 2A8
2DIR 24 25 2oe
2001.10