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74LVT534D Fiches technique(PDF) 2 Page - NXP Semiconductors |
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74LVT534D Fiches technique(HTML) 2 Page - NXP Semiconductors |
2 / 12 page Philips Semiconductors Product specification 74LVT534 3.3V Octal D-type flip-flop, inverting (3-State) 2 1998 Feb 19 853-1855 18988 FEATURES • 3-State outputs for bus interfacing • Common output enable • TTL input and output switching levels • Input and output interface capability to systems at 5V supply • Bus-hold data inputs eliminate the need for external pull-up resistors to hold unused inputs • Live insertion/extraction permitted • No bus current loading when output is tied to 5V bus • Power-up 3-State • Power-up reset • Latch-up protection exceeds 500mA per JEDEC Std 17 • ESD protection exceeds 2000V per MIL STD 883 Method 3015 and 200V per Machine Model DESCRIPTION The LVT534 is a high-performance BiCMOS product designed for VCC operation at 3.3V. This device is an 8-bit, edge triggered register coupled to eight 3-State output buffers. The two sections of the device are controlled independently by the clock (CP) and Output Enable (OE) control gates. The state of each D input (one set-up time before the Low-to-High clock transition) is transferred to the corresponding flip-flop’s Q output. The 3-State output buffers are designed to drive heavily loaded 3-State buses, MOS memories, or MOS microprocessors. The active-Low Output Enable (OE) controls all eight 3-State buffers independent of the clock operation. When OE is Low, the stored data appears at the outputs. When OE is High, the outputs are in the High-impedance “off” state, which means they will neither drive nor load the bus. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS Tamb = 25°C; GND = 0V TYPICAL UNIT tPLH tPHL Propagation delay CP to Qn CL = 50pF; VCC = 3.3V 3.0 3.5 ns CIN Input capacitance VI = 0V or 3.0V 4 pF COUT Output capacitance Outputs disabled; VI/O = 0V or 3.0V 7 pF ICCZ Total supply current Outputs disabled; VCC = 3.6V 0.13 mA ORDERING INFORMATION PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA DWG NUMBER 20-Pin Plastic SOL –40 °C to +85°C 74LVT534 D 74LVT534 D SOT163-1 20-Pin Plastic SSOP Type II –40 °C to +85°C 74LVT534 DB 74LVT534 DB SOT339-1 20-Pin Plastic TSSOP Type I –40 °C to +85°C 74LVT534 PW 74LVT534PW DH SOT360-1 PIN CONFIGURATION 20 19 18 17 16 15 14 13 12 10 11 9 8 7 6 5 4 3 2 1 VCC Q7 D7 D6 Q6 Q5 D5 D4 Q4 CP Q0 D0 D1 Q1 Q2 D2 D3 Q3 GND OE SA00161 LOGIC SYMBOL 5 2 Q0 Q1 Q2 9 6 Q3 34 7 8 D0 D1 D2 D3 11 1 15 12 Q4 Q5 Q6 19 16 Q7 13 14 17 18 D4 D5 D6 D7 CP OE SA00162 |
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