4028 BCD-to-Decimal Decoder IC 3V to 15V 6mA DIP-16

Description

4028 BCD-to-Decimal Decoder IC 3V to 15V 6mA DIP-16 The 4028BDC is a BCD-to-decimal or binary-to-octal decoder consisting of 4 inputs, decoding logic gates, and 10 output buffers. When a BCD code is applied to the 4 inputs ( A , B , C , and D ), it results in a high level at the selected 1-of-10 decimal decoded outputs. Similarly, a 3-bit binary code applied to inputs A , B , and C is decoded in octal at outputs 0–7, whereas a high level signal at input D inhibits octal decoding and causes outputs 0–7 to go LOW. For enhanced reliability, all inputs are protected against static discharge damage by diode clamps connected to V DD and V SS . Features Wide Supply Voltage Range: 3.0V to 15V High Noise Immunity: 0.45 V DD (typical) Low Power TTL Compatibility: Fan out of 2 driving 74L or 1 driving 74LS Low Power Consumption: Low quiescent power dissipation Glitch-Free Outputs: Ensures reliable and smooth decoding logic Positive Logic: Positive logic implementation on inputs and outputs Specifications 1. Recommended Operating Conditions Parameter Min Max Unit Supply Voltage ( V DD ) 3.0 15 V Input Voltage ( V IN ) 0 V DD V Operating Temperature Range ( T A ) -40 +85 °C 2. Absolute Maximum Ratings Parameter Value Unit Supply Voltage ( V DD ) -0.5 to +18 V Input Voltage ( V IN ) -0.5 to V DD + 0.5 V Storage Temperature Range ( T S ) -65 to +150 °C Power Dissipation ( P D ) – Dual-In-Line 700 mW Power Dissipation ( P D ) – Small Outline 500 mW Lead Temperature ( T L , Soldering 10 seconds) 260 °C 3. DC Electrical Characteristics (T A = 25°C) Parameter Conditions Min Typ Max Units Quiescent Device Current ( I DD ) V DD = 5V, V IN = V DD or V SS — 0.01 20 μA V DD = 10V, V IN = V DD or V SS — 0.01 40 μA V DD = 15V, V IN = V DD or V SS — 0.02 80 μA LOW Level Output Current ( I OL ) V DD = 5V, V O = 0.4V 0.44 0.88 — mA V DD = 10V, V O = 0.5V 1.1 2.2 — mA V DD = 15V, V O = 1.5V 3.0 6.0 — mA HIGH Level Output Current ( I OH ) V DD = 5V, V O = 4.6V -0.16 -0.32 — mA V DD = 10V, V O = 9.5V -0.4 -0.8 — mA V DD = 15V, V O = 13.5V -1.2 -3.5 — mA Input Current ( I IN ) V DD = 15V, V IN = 0V -0.3 — — μA V DD = 15V, V IN = 15V — — 0.3 μA 4. AC Electrical Characteristics (T A = 25°C, C L = 50 pF, R L = 200 kΩ) Parameter Conditions Typ Max Units Propagation Delay Time ( t PHL or t PLH ) V CC = 5V 240 480 ns V CC = 10V 100 200 ns V CC = 15V 70 140 ns Transition Time ( t THL or t TLH ) V CC = 5V 175 350 ns V CC = 10V 75 150 ns V CC = 15V 60 110 ns Input Capacitance ( C IN ) Any Input 5 7.5 pF Applications Code conversion Address decoding Indicator-tube decoder Package Content 1 x 4028 BCD-to-Decimal Decoder IC 3V to 15V 6mA DIP-16 DataSheet 4028

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