器件名称:
74AC02_01
功能描述:
QUAD 2-INPUT NOR GATE
文件大小:
184.39KB 共8页
简 介:
74AC02 QUAD 2-INPUT NOR GATE s s s s s s s s s HIGH SPEED: tPD = 4.2ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 2A(MAX.) at TA=25°C HIGH NOISE IMMUNITY: VNIH = V NIL = 28 % VCC (MIN.) 50 TRANSMISSION LINE DRIVING CAPABILITY SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 24mA (MIN) BALANCED PROPAGATION DELAYS: tPLH tPHL OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 02 IMPROVED LATCH-UP IMMUNITY DIP SOP TSSOP ORDER CODES PACKAGE DIP SOP TSSOP TUBE 74AC02B 74AC02M T&R 74AC02MTR 74AC02TTR DESCRIPTION The 74AC02 is an advanced high-speed CMOS QUAD 2-INPUT NOR GATE fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS tecnology. The internal circuit is composed of 3 stages including buffer output, which enables high noise immunity and stable output. 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 April 2001 1/8 74AC02 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 2, 5, 8, 11 3, 6, 9, 12 1, 4, 10, 12 7 14 SYMBOL 1A to 4A 1B to 4B 1Y to 4Y GND VCC NAME AND FUNCTION Data Inputs Data Inputs Data Outputs Ground (0V) Positive Supply Voltage TRUTH TABLE A L L H H B L H L H Y H L L L ABSOLUTE MAXIMUM RATINGS Symbol VCC VI VO IIK IOK IO Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Curren……
