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74AC20

STMicroelectronics
Part Number 74AC20
Manufacturer STMicroelectronics
Description DUAL 4-INPUT NAND GATE
Published Apr 3, 2005
Detailed Description 74AC20 DUAL 4-INPUT NAND GATE PRELIMINARY DATA s s s s s wiring C2MOS technology. It is ideal for low power applicat...
Datasheet PDF File 74AC20 PDF File

74AC20
74AC20

Overview
74AC20 DUAL 4-INPUT NAND GATE PRELIMINARY DATA s s s s s wiring C2MOS technology.
It is ideal for low power applications mantaining high speed s operation similar to equivalent Bipolar Schottky TTL.
s The internal circuit is composed of 3 stages including buffer output, which enables high noise s immunity and stable output.
All inputs and outputs are equipped with DESCRIPTION protection circuits against static discharge, giving The AC20 is an advanced high-speed CMOS www.
DataSheet4U.
com DUAL 4-INPUT NAND GATE fabricated with them 2KV ESD immunity and transient excess sub-micron silicon gate and double-layer metal voltage.
s HIGH SPEED: tPD = 4 ns (TYP.
) at VCC = 5V LOW POWER DISSIPATION: ICC = 4 µA (MAX.
) at TA = 25 oC HIGH NOISE IMMUNITY: VNIH = VNIL = 28% VCC (MIN.
) 50Ω TRANSMISSION LINE DRIVING CAPABILITY SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 24 mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 20 IMPROVED LATCH-UP IMMUNITY B M (Plastic Package) (Micro Package) ORDER CODES : 74AC20B 74AC20M PIN CONNECTION AND IEC LOGIC SYMBOLS May 1997 1/7 74AC20 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1, 9 2, 10 3, 11 5, 13 6, 8 7 14 SYMBOL 1A to 2A 1B to 2B 1C to 2C 1D to 2D 1Y to 2Y GND VCC NAME AND F UNCTIO N Data Inputs Data Inputs Data Inputs Data Inputs Data Outputs Ground (0V) Positive Supply Voltage TRUTH TABLE A L X X X H B X L X X H C X X L X H C X X X L H Y H H H H 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 Current Storage Temperature Lead Temperature (10 sec) Parameter Value -0.
5 to +7 -0.
5 to VCC + 0.
5 -0.
5 to VCC + 0.
5 ± 20 ± 20 ± 50 ± 100 -65 to +150 300 Unit V V V mA mA mA mA o o ICC or IGND DC VCC or Ground Current C C Absolute Maximum Ratings are those values beyond which damage to the device may occur.
Funct...


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