DUAL 2 WIDE 2 INPUT AND/OR INVERT GATE
M74HC51
DUAL 2 WIDE 2 INPUT AND/OR INVERT GATE
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HIGH SPEED: tPD = 11ns (TYP.) at VCC = 6V LOW POWER ...
Description
M74HC51
DUAL 2 WIDE 2 INPUT AND/OR INVERT GATE
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HIGH SPEED: tPD = 11ns (TYP.) at VCC = 6V LOW POWER DISSIPATION: ICC = 1µA(MAX.) at TA=25°C HIGH NOISE IMMUNITY: VNIH = V NIL = 28 % VCC (MIN.) SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 51
DIP
SOP
TSSOP
ORDER CODES
PACKAGE DIP SOP TSSOP TUBE M74HC51B1R M74HC51M1R T&R M74HC51RM13TR M74HC51TTR
DESCRIPTION The M74HC51 is an high speed CMOS DUAL 2 WIDE 2 INPUT AND/OR INVERT GATE fabricated with silicon gate C2MOS technology. It contains a 2-WIDE 2-INPUT AND/OR INVERT GATE and a 2-WIDE 3-INPUT AND/OR INVERT GATE.
The internal circuit is composed of 3 stages (2 INPUT) or 5 stages (3 INPUT) including buffer output, which enables high noise immunity and stable output. All inputs are equipped with protection circuits against static discharge and transient excess voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
August 2001
1/9
M74HC51
INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
PIN No 1, 12, 13, 9, 10, 11 2, 3, 4, 5 8, 6 7 14 SYMBOL 1A to 1F 2A to 2D 1Y to 2Y GND VCC NAME AND FUNCTION Data Inputs Data Inputs Data Outputs Ground (0V) Positive Supply Voltage
TRUTH TABLE
1A H X 1B 1C 1D 1E 1F X H 1Y L L H
H H X X X X H H ALL OTHER COMBINATIONS
TRUTH TABLE
2A H X 2B 2C 2D 2Y L L H
H X X X H H ALL OTHER COMBINATIONS
X : Don’t Care
ABSOLUTE MAXIMUM RATINGS
Sym...
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