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74LVC139DB 数据表(PDF) 2 Page - NXP Semiconductors |
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74LVC139DB 数据表(HTML) 2 Page - NXP Semiconductors |
2 / 10 page Philips Semiconductors Product specification 74LVC139 Dual 2-to-4 line decoder/demultiplexer 2 1998 Apr 28 853-2059 19309 FEATURES • Wide supply voltage range of 1.2 to 3.6 V • In accordance with JEDEC standard no. 8-1A • Inputs accept voltages up to 5.5 V • CMOS lower power consumption • Direct interface with TTL levels • Demultiplexing capability • Two independent 2-to-4 decoders • Multifunction capability • Active LOW mutually exclusive outputs • Output drive capability 50 W transmission lines at 85°C DESCRIPTION The 74LVC139 is a low-voltage, low-power, high-performance Si-gate CMOS device, superior to most advanced CMOS compatible TTL families. The 74LVC139 is a dual 2-to-4 line decoder/demultiplexer. This device has two independent decoders, each accepting two binary weighted inputs (nA0 and nA1) and providing four mutually exclusive active LOW outputs (nY0 to nY3). Each decoder has an active LOW input (nE). When nE is HIGH, every output is forced HIGH. The enable can be used as the data input for a 1-to-4 demultiplexer application. QUICK REFERENCE DATA GND = 0 V; Tamb = 25°C; tr = tf ≤ 2.5 ns SYMBOL PARAMETER CONDITIONS TYPICAL UNIT tPHL/tPLH Propagation delay nA to nYn, nE to nYn, CL = 50 pF; VCC = 3.3 V 3.3 3.2 ns CI Input capacitance 5.0 pF CPD Power dissipation capacitance per multiplexer VCC = 3.3 V Notes 1 and 2 36 pF NOTES: 1. CPD is used to determine the dynamic power dissipation (PD in µW) PD = CPD × VCC2 × fi ) (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; (CL × VCC2 × fo) = sum of the outputs. 2. The condition is V1 = GND to VCC ORDERING INFORMATION PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA PKG. DWG. # 16-Pin Plastic SO –40 °C to +85°C 74LVC139 D 74LVC139 D SOT109-1 16-Pin Plastic SSOP Type II –40 °C to +85°C 74LVC139 DB 74LVC139 DB SOT338-1 16-Pin Plastic TSSOP Type I –40 °C to +85°C 74LVC139 PW 74LVC139PW DH SOT403-1 PIN CONFIGURATION SV00530 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1E 1A0 1A1 1Y0 1Y1 1Y2 1Y3 GND VCC 2E 2A0 2A1 2Y0 2Y1 2Y2 2Y3 PIN DESCRIPTION PIN NUMBER SYMBOL NAME AND FUNCTION 1, 15 1E, 2E Enable inputs (active LOW) 2, 3 1A0, 1A1 Address inputs 14, 13 2A0, 2A1 Address in uts 4, 5, 6, 7 1Y0 to 1Y3 Outputs (active LOW) 12, 11, 10, 9 2Y0 to 2Y3 Out uts (active LOW) 8 GND Ground (0 V) 16 VCC Positive supply voltage |
类似零件编号 - 74LVC139DB |
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类似说明 - 74LVC139DB |
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