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74LV541DB Arkusz danych(PDF) 2 Page - NXP Semiconductors |
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74LV541DB Arkusz danych(HTML) 2 Page - NXP Semiconductors |
2 / 12 page Philips Semiconductors Product specification 74LV541 Octal buffer/line driver (3-State) 2 1998 Jun 10 853–1937 19545 FEATURES • Optimized for Low Voltage applications: 1.0 to 3.6V • Accepts TTL input levels between V CC = 2.7V and VCC = 3.6V • Typical V OLP (output ground bounce) t 0.8V @ VCC = 3.3V, Tamb = 25°C • Typical V OHV (output VOH undershoot) u 2V @ VCC = 3.3V, Tamb = 25°C • Non-inverting outputs • Output capability: bus driver • I CC category: MSI DESCRIPTION The 74LV541 is a low–voltage CMOS device and is pin and function compatible with 74HC/HCT541. The 74LV541 is an octal non-inverting buffer/line driver with 3-State outputs. The 3-State outputs are controlled by the output enable inputs OE1 and OE2. A HIGH on OEn causes the outputs to assume a high impedance OFF–state. QUICK REFERENCE DATA GND = 0V; Tamb = 25°C; tr = tf v2.5 ns SYMBOL PARAMETER CONDITIONS TYPICAL UNIT tPHL/tPLH Propagation delay An to Yn CL = 15pF VCC = 3.3V 10 ns CI Input capacitance 3.5 pF CPD Power dissipation capacitance per buffer VI = GND to VCC 1 37 pF NOTES: 1. CPD is used to determine the dynamic power dissipation (PD in µW) PD = CPD VCC2 fi )S (CL VCC2 fo) where: fi = input frequency in MHz; CL = output load capacity in pF; fo = output frequency in MHz; VCC = supply voltage in V; S (CL VCC2 fo) = sum of the outputs. ORDERING INFORMATION PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA PKG. DWG. # 20-Pin Plastic DIL –40 °C to +125°C 74LV541 N 74LV541 N SOT146-1 20-Pin Plastic SO –40 °C to +125°C 74LV541 D 74L541 D SOT163-1 20-Pin Plastic SSOP Type II –40 °C to +125°C 74LV541 DB 74LV541 DB SOT339-1 20-Pin Plastic TSSOP Type I –40 °C to +125°C 74LV541 PW 74LV541PW DH SOT360-1 PIN DESCRIPTION PIN NUMBER SYMBOL FUNCTION 1, 19 OE1, OE2 Output enable input (active-LOW) 2, 3, 4, 5, 6, 7, 8, 9 A0 to A7 Data inputs 10 GND Ground (0V) 18, 17, 16, 15, 14, 13, 12, 11 Y0 to Y7 Bus outputs 20 VCC Positive supply voltage FUNCTION TABLE INPUTS OUTPUT OE1 OE2 nA nY L L L L L L H H X H X Z H X X Z H = HIGH voltage level L = LOW voltage level X = Don’t care Z = High impedance OFF-state |
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