M74HC191B1R

STMicroelectronics

RoHS

RoHS compliant

Package 16-DIP (0.300, 7.62mm)

Category Integrated Circuits (ICs) / Logic - Counters, Dividers

Description Tube Obsolete e3 M74HC191 logic counter 31ns 7.62mm 5V 20000000Hz

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Technical Details

Physical

Mount Through Hole

Mounting Type Through Hole

Package / Case 16-DIP (0.300, 7.62mm)

Number of Pins 16

Technical

Operating Temperature -55°C~125°C

Packaging Tube

Series 74HC

JESD-609 Code e3

Pbfree Code yes

Part Status Obsolete

Moisture Sensitivity Level (MSL) 3 (168 Hours)

Number of Terminations 16

Terminal Finish Matte Tin (Sn)

Additional Feature TCO OUTPUT

Technology CMOS

Voltage - Supply 2V~6V

Terminal Position DUAL

Peak Reflow Temperature (Cel) NOT SPECIFIED

Number of Functions 1

Supply Voltage 4.5V

Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED

Base Part Number M74HC191

Pin Count 16

Qualification Status Not Qualified

Operating Supply Voltage 5V

Number of Elements 1

Supply Voltage-Max (Vsup) 6V

Power Supplies 2/6V

Supply Voltage-Min (Vsup) 2V

Load Capacitance 50pF

Number of Bits 4

Propagation Delay 31 ns

Turn On Delay Time 360 ns

Family HC/UH

Logic Function Counter

Direction Up, Down

Logic Type Binary Counter

Trigger Type Positive Edge

Number of Input Lines 4

fmax-Min 20 MHz

Clock Edge Trigger Type Positive Edge

Max Frequency@Nom-Sup 20000000Hz

Count Rate 44MHz

Load/Preset Input YES

Timing Synchronous

Dimensions

Width 7.62mm

Compliance

RoHS Status ROHS3 Compliant

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