MC14503B Hex Non-Inverting 3-State Buffer The MC14503B is a hex noninverting buffer with 3state outputs, and a high current source and sink capability. The 3state outputs make it useful in common bussing applications. Two disable controls MC14503B LOGIC DIAGRAM CIRCUIT DIAGRAM 15 ONE OF TWO/FOUR BUFFERS DISABLE B 12 11 V DD IN 5 OUT 5 14 13 IN 6 OUT 6 2 3 * IN IN 1 OUT 1 n OUT n 4 5 IN 2 OUT 2 6 7 IN 3 OUT 3 * DISABLE 10 9 * INPUT IN 4 OUT 4 V SS 1 TO OTHER BUFFERS DISABLE A V = PIN 16 DD V = PIN 8 *Diode protection on all inputs (not shown) SS ELECTRICAL CHARACTERISTICS (Voltages Referenced to V ) SS 55 C 25 C 125 C V DD Typ (Note 3) Min Max Min Max Min Max Characteristic Symbol Vdc Unit Output Voltage 0 Level V 5.0 0.05 0 0.05 0.05 Vdc OL V = 0 10 0.05 0 0.05 0.05 in 15 0.05 0 0.05 0.05 1 Level V 5.0 4.95 4.95 5.0 4.95 Vdc OH V = V in DD 10 9.95 9.95 10 9.95 15 14.95 14.95 15 14.95 Input Voltage 0 Level V Vdc IL (V = 3.6 or 1.4 Vdc) 5.0 1.5 2.25 1.5 1.5 O (V = 7.2 or 2.8 Vdc) 10 3.0 4.50 3.0 3.0 O (V = 11.5 or 3.5 Vdc) 15 4.0 6.75 4.0 4.0 O V Vdc 1 Level IH 5.0 3.5 3.5 2.75 3.5 (V = 1.4 or 3.6 Vdc) O 10 7.0 7.0 5.50 7.0 (V = 2.8 or 7.2 Vdc) O 15 11 11 8.25 11 (V = 3.5 or 11.5 Vdc) O Output Drive Current I mAdc OH (V = 2.5 Vdc) Source 4.5 4.3 3.6 5.0 2.5 OH (V = 2.5 Vdc) 5.0 5.8 4.8 6.1 3.0 OH (V = 4.6 Vdc) 5.0 1.2 1.02 1.4 0.7 OH (V = 9.5 Vdc) 10 3.1 2.6 3.7 1.8 OH (V = 13.5 Vdc) 15 8.2 6.8 14.1 4.8 OH I 4.5 2.2 1.8 2.1 1.2 mAdc (V = 0.4 Vdc) Sink OL OL 5.0 2.6 2.1 2.3 1.3 (V = 0.4 Vdc) OL 10 6.5 5.5 6.2 3.8 (V = 0.5 Vdc) OL 15 19.2 16.1 25 11.2 (V = 1.5 Vdc) OL Input Current I 15 0.1 0.00001 0.1 1.0 Adc in Input Capacitance, (V = 0) C 5.0 7.5 pF in in Quiescent Current, (Per Package) I 5.0 1.0 0.002 1.0 30 Adc Q 10 2.0 0.004 2.0 60 15 4.0 0.006 4.0 120 Total Supply Current (Note 4, 5) I Adc T (Dynamic plus Quiescent, 5.0 I = (2.5 A/kHz) f + I T DD Per Package) (C = 50 pF on all outputs) 10 I = (6.0 A/kHz) f + I L T DD (All outputs switching, 15 I = (10 A/kHz) f + I T DD 50% Duty Cycle) 3State Output Leakage Current I 15 0.1 0.0001 0.1 3.0 Adc TL Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. 3. Data labelled Typ is not to be used for design purposes but is intended as an indication of the ICs potential performance. 4. The formulas given are for the typical characteristics only at 25 C. 5. To calculate total supply current at loads other than 50 pF: I (C ) = I (50 pF) + (C 50) Vfk where: I is in A (per package), C in pF, T L T L T L V=(V V ) in volts, f in kHz is input frequency, and k = 0.006. DD SS