器件名称:
M74HC126M1R
功能描述:
QUAD BUS BUFFERS 3-STATE
文件大小:
256.25KB 共11页
简 介:
M54HC125 RAD-HARD QUAD BUS BUFFER (3-STATE) s s s s s s s s s s s HIGH SPEED: tPD = 8ns (TYP.) at VCC = 6V LOW POWER DISSIPATION: ICC = 4A(MAX.) at TA=25°C HIGH NOISE IMMUNITY: VNIH = VNIL = 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 54 SERIES 125 SPACE GRADE-1: ESA SCC QUALIFIED 50 krad QUALIFIED, 100 krad AVAILABLE ON REQUEST NO SEL UNDER HIGH LET HEAVY IONS IRRADIATION DEVICE FULLY COMPLIANT WITH SCC-9401-039 DILC-14 FPC-14 ORDER CODES PACKAGE DILC FPC FM M54HC125D M54HC125K EM M54HC125D1 M54HC125K1 The device requires the 3-STATE control input G to be set high to place the output into the high impedance state. All inputs are equipped with protection circuits against static discharge and transient excess voltage. DESCRIPTION The M54HC125 is an high speed CMOS QUAD BUFFER (3-STATE) fabricated with silicon gate C2MOS technology. PIN CONNECTION March 2004 1/9 M54HC125 IEC LOGIC SYMBOLS INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN N° 1, 4, 10, 13 2, 5, 9, 12 3, 6, 8, 11 7 14 SYMBOL 1G TO 4G 1A TO 4A 1Y TO 4Y GND VCC NAME AND FUNCTION Output Enable Input Data Inputs Data Outputs Ground (0V) Positive Supply Voltage TRUTH TABLE A X L H G H L L Y Z L H ABSOLUTE MAXIMUM RATINGS Symbol VCC VI VO IIK IOK IO Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current……
