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74HC691 - (74HC690 - 74HC693) 4 BIT BINARY COUNTER/REGISTER

Download the 74HC691 datasheet PDF. This datasheet also covers the 74HC690 variant, as both devices belong to the same (74hc690 - 74hc693) 4 bit binary counter/register family and are provided as variant models within a single manufacturer datasheet.

General Description

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.

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Note: The manufacturer provides a single datasheet file (74HC690_STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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 DELAYS tPLH = tPHL WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V to 6 V PIN AND FUNCTION COMPATIBLE WITH LSTTL 54/74LS690/691 DESCRIPTION The HC690/691/692/693 are high speed CMOS COUNTER/REGISTER fabricated in silicon gate C2MOS technology.