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PI74ALVCH16646 데이터시트(PDF) 2 Page - Pericom Semiconductor Corporation |
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PI74ALVCH16646 데이터시트(HTML) 2 Page - Pericom Semiconductor Corporation |
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2 / 6 page ![]() 2 PS8102A 10/07/98 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74ALVCH16646 16-Bit Bus Transceiver and Register with 3-STATE Outputs 1 DIR 1 1 CLKAB 2 1 SAB 3 GND 4 1 A1 5 1 A2 6 VCC 7 1 A3 8 1 A4 9 1 A5 10 GND 11 1 A6 12 1 A7 13 1 A8 14 2 A1 15 2 A2 16 2 A3 17 GND 18 2 A4 19 2 A5 20 2 A6 21 VCC 22 2 A7 23 2 A8 24 1 OE 56 1 CLKBA 55 1 SBA 54 GND 53 1 B1 52 1 B2 51 VCC 50 1 B3 49 1 B4 48 1 B5 47 GND 46 1 B6 45 1 B7 44 1 B8 43 2 B1 42 2 B2 41 2 B3 40 GND 39 2 B4 38 2 B5 37 2 B6 36 VCC 35 2 B7 34 2 B8 33 GND 25 2 SAB 26 2 CLKAB 27 2 DIR 28 GND 32 2 SBA 31 2 CLKBA 30 2 OE 29 Product Pin Description Truth Table(2) Product Pin Configuration e m a N n i Pn o it p i r c s e D E O x) W O L e v it c A ( st u p n I el b a n E t u p t u O R I D xl o rt n o C n o it c e ri D A B K L C x , B A K L C xst u p n I e sl u P k c o l C A B S x , B A S xst u p n I l o rt n o C t c el e S x A x st u p n I A r e t si g e R a t a D st u p t u O B r e t si g e R a t a D x B x st u p n I B r e t si g e R a t a D st u p t u O A r e t si g e R a t a D D N Gd n u o r G V C C r e w o P 56-PIN V56 A56 Inputs Data I/O Function xOE xDIR xCLKAB xCLKBA xSAB xSBA xAx xBx Store A, B Unspecified (1) XX ↑ X X X Input Unspecified(1) Store B, A Unspecified (1) XX X ↑ X X Unspecified (1) Input Isolation H X H or L H or L X X Input Disable Input Disable Store A and B Data H X ↑↑ X X Input Input Real Time A Data to B Bus L H X X L X Input Output Stored A Data to B Bus L H H or L X H X Input Output Real Time B Data to A Bus L L X X X L Output Input Stored B Data to A Bus L L X H or L X H Output Input Note: 1. The data output functions may be enabled or disabled by various signals at the xOE or xDIR inputs. Data input functions are always enabled, i.e., data at the bus pins will be stored on every LOW-to-HIGH transition on the clock inputs. 2. H = High Voltage Level X = Don't Care L = Low Voltage Level ↑ = LOW-to-HIGH Transition |
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