器件名称:
M74HC541M1R
功能描述:
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED)
文件大小:
256.97KB 共10页
简 介:
M74HC541 OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED) s s s s s s s HIGH SPEED: tPD = 9ns (TYP.) at VCC = 6V LOW POWER DISSIPATION: ICC = 4A(MAX.) at TA=25°C HIGH NOISE IMMUNITY: VNIH = V NIL = 28 % VCC (MIN.) SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 6mA (MIN) BALANCED PROPAGATION DELAYS: tPLH tPHL WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 541 DIP SOP TSSOP ORDER CODES PACKAGE DIP SOP TSSOP TUBE M74HC541B1R M74HC541M1R T&R M74HC541RM13TR M74HC541TTR DESCRIPTION The 74HC541 is an advanced high-speed CMOS OCTAL BUS BUFFER (3-STATE) fabricated with silicon gate C2MOS technology. The M74HC541 is a non inverting buffer. The 3-STATE control gate operates as a two input AND such that if either G1 and G2 are high, all eight output are in the high impedance state. In order to enhance PC board layout the M74HC541 offer a pinout having inputs and outputs on opposite sides of the package. All inputs are equipped with protection circuits against static discharge and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 1/10 M74HC541 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1, 19 2, 3, 4, 5, 6, 7, 8, 9 18, 17, 16, 15, 14, 13, 12, 11 10 20 SYMBOL G1, G2 A1 to A8 Y1 to Y8 NAME AND FUNCTION Output Enable Inputs Data Inputs Bus Outputs GND VCC Ground (0V) Positive Supply Voltage TRUTH TABLE INPUT G1 H X L L X : Don’t Care Z : High Impedance OUTPUT An X X H L Yn Z Z H L G2……