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74LV4040 Datasheet(PDF) 2 Page - NXP Semiconductors |
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74LV4040 Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 14 page Philips Semiconductors Product specification 74LV4040 12-stage binary ripple counter 2 1998 Jun 23 853-2075 19619 FEATURES • Optimized for Low Voltage applications: 1.0 to 5.5V • 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 • Frequency dividing circuits • Time delay circuits • Control counters • Output capability: standard • I CC category: MSI DESCRIPTION The 74LV4040 is a low–voltage Si–gate CMOS device and is pin and function compatible with 74HC/HCT4040. The 74LV4040 is a 12-stage binary ripple counter with a click input (CP), an overriding asynchronous master reset input (MR) and twelve fully buffered parallel outputs (Q0 to Q11). The counter is advanced on the HIGH-to-LOW transition of CP. A HIGH on MR clears all counter stages and forces all outputs LOW, independent of the state of CP. Each counter stage is a static toggle flip-flop. QUICK REFERENCE DATA GND = 0V; Tamb = 25°C; tr =tf v2.5 ns SYMBOL PARAMETER CONDITIONS TYPICAL UNIT tPHL/tPLH Propagation delay CP to Q0 Qn to Qn+1 MR to Qn CL = 15pF VCC = 3.3V 12 7 16 ns fmax Maximum clock frequency 100 MHz CI Input capacitance 3.5 pF CPD Power dissipation capacitance per gate Notes 1 and 2 30 pF NOTES: 1. CPD is used to determine the dynamic power dissipation (PD in µW) PD = CPD VCC2 x 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. 2. The condition is VI = GND to VCC ORDERING INFORMATION PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA PKG. DWG. # 16-Pin Plastic DIL –40 °C to +125°C 74LV4040 N 74LV4040 N SOT38-4 16-Pin Plastic SO –40 °C to +125°C 74LV4040 D 74LV4040 D SOT109-1 16-Pin Plastic SSOP Type II –40 °C to +125°C 74LV4040 DB 74LV4040 DB SOT338-1 16-Pin Plastic TSSOP Type I –40 °C to +125°C 74LV4040 PW 74LV4040PW DH SOT403-1 |
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