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74ACT541B Datasheet(PDF) 1 Page - STMicroelectronics |
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74ACT541B Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 8 page  74ACT541 OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED) ® December 1998 s HIGH SPEED: tPD = 4 ns (TYP.) at VCC =5V s LOW POWER DISSIPATION: ICC =8 µA (MAX.) at TA =25 oC s COMPATIBLE WITH TTL OUTPUTS VIH =2V (MIN), VIL = 0.8V (MAX) s 50 Ω TRANSMISSION LINE DRIVING CAPABILITY s SYMMETRICAL OUTPUT IMPEDANCE: |IOH|=IOL = 24 mA (MIN) s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL s OPERATING VOLTAGE RANGE: VCC (OPR) = 4.5V to 5.5V s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 541 s IMPROVED LATCH-UP IMMUNITY DESCRIPTION The ACT541 is an advanced CMOS OCTAL BUS BUFFER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C 2MOS technology.It is ideal for low power applications mantaining high speed operation similar to eqivalent Bipolar Schottky TTL. The 3 STATE control gate operates as a two input AND such that if either G1 and G2 are high, all eight outputs are in the high impedance state. In order to enhance PC board layout, the AC541 offers a pinout having inputs and outputs on opposite sides of the package. The device is designed to interface directly High Speed CMOS systems with TTL, NMOS and CMOS output voltage levels. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS ORDER CODES : 74ACT541B 74ACT541M M (Micro Package) B (Plastic Package) 1/8 |
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