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M54HC298 Datasheet (PDF) - STMicroelectronics

M54HC298 Datasheet PDF - STMicroelectronics
Part No. M54HC298
Download  M54HC298 Click to view

File Size   248.23 Kbytes
Page   11 Pages
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description QUAD 2 CHANNEL MULTIPLEXER/REGISTER

M54HC298 Datasheet (PDF)

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M54HC298 Datasheet PDF - STMicroelectronics

Part No. M54HC298
Download  M54HC298 Click to view

File Size   248.23 Kbytes
Page   11 Pages
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description QUAD 2 CHANNEL MULTIPLEXER/REGISTER

M54HC298 Datasheet (HTML) - STMicroelectronics

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M54HC298 Product details

DESCRIPTION
The M54/74HC298 is a high speed CMOSQUAD2-CHANNEL MULTIPLEXER/REGISTER fabricated in silicon gate C2MOS technology.
It has the same high speed performance of LSTTL combined with true CMOS low power consumption. These circuits are controlled by the signals WORD SELECT and CLOCK. When the WORD SELECT input is taken low Word 1 (A1, B1, C1 and D1) is presented to the input of the flip-flops, and when WORD SELECT is high Word 2(A2, B2, C2 and D2) is presented to the inputs of the flip-flops. The select word is clocked to the output terminals on the negative edge of the clock pulse. All inputs are equipped with protection circuits against static discharge and transient excess voltage.

■ HIGH SPEED fMAX = 73 MHz (typ.) AT VCC = 5 V
■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C
■ HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.)
■ OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS
■ SYMMETRICAL OUTPUT IMPEDANCE IOH = IOL = 4 mA (MIN.)
■ BALANCED PROPAGATION DELAYS tPLH = tPHL
■ WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V TO 6 V
■ PIN AND FUNCTION COMPATIBLE WITH 54/74LS298



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