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MC74F539

Part Number	MC74F539
Manufacturer	Motorola
Description	DUAL 1-OF-4 DECODER WITH 3-STATE OUTPUTS
Published	Jan 7, 2006
Detailed Description	MC54/74F539 DUAL 1-OF-4 DECODER WITH 3-STATE OUTPUTS The MC54 / 74F539 contains two independent decoders. Each accepts t...
Datasheet	MC74F539 PDF File

Overview

MC54/74F539 DUAL 1-OF-4 DECODER WITH 3-STATE OUTPUTS The MC54 / 74F539 contains two independent decoders.
Each accepts two Address (A0 – A1) input signals and decodes them to select one of four mutually exclusive outputs.
A polarity control input (P) determines whether the outputs are active HIGH (P = L) or active LOW (P = H).
An active LOW input Enable (E) is available for data demultiplexing; data is routed to the selected output in non-inverted form in the active LOW mode or in inverted form in the active HIGH mode.
A HIGH Signal on the active LOW Output Enable (OE) input forces the 3-state outputs to the high impedance state.
DUAL 1-OF-4 DECODER WITH 3-STATE OUTPUTS FAST™ SCHOTTKY TTL • • • • • Demultiplexing Capability 3-State Outputs Two Completely Independent 1-of-4 Decoders Input Clamp Diodes Limit High Speed Termination Effects ESD Protection > 4000 Volts CONNECTION DIAGRAM DIP (TOP VIEW) VCC O3b A1b A0b 20 19 18 17 Eb 16 Ea 15 OEa Pa 14 13 O0a O1a 12 11 20 1 J SUFFIX CERAMIC CASE 732-03 20 1 N SUFFIX PLASTIC CASE 738-03 1 2 3 4 Pb 5 6 7 8 9 10 20 1 O2b O1b O0b OEb A0a A1a O3a O2a GND DW SUFFIX SOIC CASE 751D-03 LOGIC DIAGRAM (1/2 SHOWN) A1 ORDERING INFORMATION MC54FXXXJ Ceramic MC74FXXXN Plastic MC74FXXXDW SOIC A0 E LOGIC SYMBOL 13 6 7 P A0 A1 P 15 14 E DECODER a OE O0 O1 O2 O3 12 11 9 8 4 17 18 OE 16 O0 O1 O2 O3 5 E DECODER b OE Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
VCC = PIN 20 GND = PIN 10 P A0 A1 O0 O1 O2 O3 3 2 1 19 FAST AND LS TTL DATA 4-209 MC54/74F539 GUARANTEED OPERATING RANGES Symbol VCC TA IOH IOL Supply Voltage Operating Ambient Temperature Range 74 Output Current — High Output Current — Low 54, 74 54, 74 0 25 70 – 3.
0 24 Parameter 54, 74 54 Min 4.
5 – 55 Typ 5.
0 25 Max 5.
5 125 Unit V °C mA mA DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Limits Symbol VIH VIL VIK VOH VOL IOZ...

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