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74ABT273A 数据表(PDF) 2 Page - NXP Semiconductors |
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74ABT273A 数据表(HTML) 2 Page - NXP Semiconductors |
2 / 12 page Philips Semiconductors Product specification 74ABT273A Octal D-type flip-flop 2 1995 Sep 06 853-1774 15704 FEATURES • Eight edge-triggered D-type flip-flops • Buffered common clock • Buffered asynchronous Master Reset • Power-up reset • See 74ABT377 for clock enable version • See 74ABT373 for transparent latch version • See 74ABT374 for 3-State version • ESD protection exceeds 2000 V per Mil Std 833 Method 3015 and 200 V per machine model. DESCRIPTION The 74ABT273A has eight edge-triggered D-type flip-flops with individual D inputs and Q outputs. The common buffered Clock (CP) and Master Reset (MR) inputs load and reset (clear) all flip-flops simultaneously. The register is fully edge-triggered. The state of each D input, one setup time before the Low-to-High clock transition, is transferred to the corresponding flip-flop’s Q output. All outputs will be forced Low independent of Clock or Data inputs by a Low voltage level on the MR input. The device is useful for applications where the true output only is required and the CP and MR are common elements. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS Tamb = 25°C; GND = 0V TYPICAL UNIT tPLH tPHL Propagation delay CP to Qn CL = 50pF; VCC = 5V 3.0 3.4 ns CIN Input capacitance VI = 0V or VCC 3.5 pF ICCH Total supply current Outputs High; VCC =5.5V 150 µA ORDERING INFORMATION PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA DWG NUMBER 20-Pin Plastic DIP –40 °C to +85°C 74ABT273A N 74ABT273A N SOT146-1 20-Pin plastic SO –40 °C to +85°C 74ABT273A D 74ABT273A D SOT163-1 20-Pin Plastic SSOP Type II –40 °C to +85°C 74ABT273A DB 74ABT273A DB SOT339-1 20-Pin Plastic TSSOP Type I –40 °C to +85°C 74ABT273A PW 7ABT273APW DH SOT360-1 PIN CONFIGURATION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MR Q0 D0 D1 Q1 Q2 D2 D3 Q3 Q4 GND D4 D5 Q5 Q6 D6 D7 Q7 VCC CP SA00052 PIN DESCRIPTION PIN NUMBER SYMBOL NAME AND FUNCTION 11 CP Clock pulse input (active rising edge) 3, 4, 7, 8, 13, 14, 17, 18 D0 - D7 Data inputs 2, 5, 6, 9, 12, 15, 16, 19 Q0 - Q7 Data outputs 1 MR Master Reset input (active-Low) 10 GND Ground (0V) 20 VCC Positive supply voltage |
类似零件编号 - 74ABT273A |
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类似说明 - 74ABT273A |
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