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74HC690 Datasheet - STMicroelectronics

74HC690_STMicroelectronics.pdf

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Datasheet Details

Part number:

74HC690

Manufacturer:

STMicroelectronics ↗

File Size:

473.42 KB

Description:

(74hc690 - 74hc693) 4 bit binary counter/register.

74HC690, (74HC690 - 74HC693) 4 BIT BINARY COUNTER/REGISTER

The HC690/691/692/693 are high speed CMOS COUNTER/REGISTER fabricated in silicon gate C2MOS technology.

They have the same high speed performance of LSTTL combined with true CMOS low power consumption.

The internal circuit is composed of 3 stages including buffer output, which offers high noise immu

M54/74HC690/691 M54/74HC692/693 HC690/692 DECADE COUNTER/REGISTER (3-STATE) HC691/693 4 BIT BINARY COUNTER/REGISTER (3-STATE) HIGH SPEED fMAX = 50 MHz (TYP.) at VCC = 5 V LOW POWER DISSIPATION ICC = 4 µA (MAX.) at TA = 25 °C www.DataSheet4U.com HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS (for QA to QD) 10 LSTTL LOADS (for RCO) SYMMETRICAL OUTPUT IMPEDANCE IOH = IOL = 6 mA (MIN.) (for QA to QD) IOH = IOL = 4 mA (MIN.) (for RCO) BALANCED PROPAGATION

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