74F243 Datasheet | Philips Semiconductors

DESCRIPTION 14-pin plastic DIP 14-pin plastic SO MERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C N74F242N, N74F243N N74F242D, N74F243D PKG DWG # SOT27-1 SOT108-1 SF00765 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS An, Bn An, Bn OEA OEB An, Bn DESCRIPTION Data inputs (74F242) Data inputs (74F243) Output enable input (active Low) Output enable input Data outputs 74F (U.L.) HIGH/LOW 3.5/1.67 3.5/2.67 1.0/1.67 1.0/1.67 750/106.7 LOAD VALUE HIGH/LOW 70µA/1.0m A 70µA/1.6m A 20µA/1.0m A 20µA/1.0m A 15m A/64m A NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6m A in the Low state. LOGIC SYMBOLS 74F242 3 4 5 6 3 4 5 6 A0 A1 A2 A3 A0 A1 A2 A3 1 13 OEA 1 OEB 13 B0 B1 B2 B3 B0 B1 B2 B3 OEA OEB VCC = Pin 14 GND = Pin 7 VCC = Pin 14 GND = Pin 7 SF00767 SF00768 1990 Aug 30 853- 0356 00285 Philips Semiconductors Product specification Transceivers 74F242/74F243 LOGIC SYMBOLS (IEEE/IEC) 74F242 1 13 EN1 EN2 1 13 EN1...