ocr: COMMON I.C.'S (Continued) 745244 e 74LS244 OCTAL 3-STATE BUFFER PIN ASSIGNMENT LOGIC DIAGRAM TRUTH TABLE a16 bE, a 20 Ycc INPUTS OUTPUT 'ao DE l OE, Ybo a l Yao Ota la OEb lb Ya Yb Yb1 lat E 9B 4E 16 lbo Yat L L H L - L L L H L H L H la2 GE - E 'b1 b H X H X (ZI (Z) Yb2 D ta Ya2 la3 a A HO 'b2 H HIGH voltage level Yb3 le 12] Ya3 L LOW voltage level X GND 10 11 'b3 Z - Don't HIGHimpedance care "off"state 74LS245 - 74F245 OCTAL BUS TRANSCEIVER PIN ASSIGNMENT LOGIC DIAGRAM TRUTH TABLE SH SIR 20 Vcc OE INPUTS INPUTS/OUTPUTS Ap 2 OE A, Bo I OE S/R An Bn A2 D9 A3 1682 I A= B INPUTS A4 15B3 L H X H I ...
