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74LVC161284 Fiches technique(PDF) 2 Page - STMicroelectronics

No de pièce 74LVC161284
Description  LOW VOLTAGE HIGH SPEED IEEE1284 TRANSCEIVER
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74LVC161284 Fiches technique(HTML) 2 Page - STMicroelectronics

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LOGIC DIAGRAM
NOTE A:
The PMOS transistors prevent backdriving current from the signal pins to VCC/CABLE when VCC/CABLE is open or at GND. The
PMOS transistor is turned off when the associated driver is in the low state.
NOTE B:
The PMOS transistor prevents backdriving current from the signal pins to VCC/CABLE when VCC/CABLE is open or at GND.
PIN DESCRIPTION
PIN No
SYMBOL
NAME AND FUNCTION
1
HD
High Drive Enable Input
2, 3, 4, 5, 6
A9 to A13
Side A Input
8, 9, 11, 12, 13, 14, 16, 17
A1 to A8
Side A Input or Output
19
PLI
Peripheral Logic Input
20, 21, 22, 23
A14 to A17
Side A Output
24
HLO
Host Logic Output
25
HLI
Host Logic Input
29, 28, 27, 26
C14 to C17
Side Cable Output
30
PLO
Peripheral Logic Output
41, 40, 38, 37, 36, 35, 33, 32
B1 to B8
Side Cable Input or Output
47, 46, 45, 44, 43
Y9 to Y13
Side Cable Output
48
DIR
Direction Control Input
10, 15, 34, 39
GND
Ground (0V)
7, 18
VCC
Positive Supply Voltage
31, 42
VCC/CABLE
Cable Power Supply


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