Toshiba TC74HC191AF
Obsolete
Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 0.256
$ 0.256
Stock
113,409
254,760
254,760
Authorized Distributors
0
4
4
Case/Package
SOP
SOIC
SOIC
Number of Pins
-
16
16
Logic Function
Counter
Counter
Counter
Direction
Bidirectional
Bidirectional
Bidirectional
Number of Elements
-
1
1
Number of Bits per Element
-
4
4
Reset
-
-
-
Clock Edge Trigger Type
Positive Edge
Positive Edge
Positive Edge
Frequency
20 MHz
48 MHz
48 MHz
Min Supply Voltage
2 V
2 V
2 V
Max Supply Voltage
6 V
6 V
6 V
Supply Chain
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1988-10-01
Lifecycle StatusObsolete (Last Updated: 5 months ago)
LTB Date2008-06-30
LTD Date2009-04-30
Descriptions
Descriptions of Toshiba TC74HC191AF provided by its distributors.
Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, PDSO16
Counter Single 4-Bit Binary UP/Down 16-Pin SOP Tube
COMS DIGITAL INTERATED CIRCUIT SILICON MONOLITHIC
Manufacturer Aliases
Toshiba has several brands around the world that distributors may use as alternate names. Toshiba may also be known as the following names:
- TOSH
- TOS
- Toshiba Semiconductor and Storage
- TOSHIB
- SMK
- TOSHIBA CORP
- TOSHI
- TSENG
- TOSHIBA CORPORATION
- Toshiba America Electronic Components
- TSH
- Toshiba Memory America Inc
- MARKTECH OPTOELECTRONICS
- TOSHIBA ELECTRONICS
- Toshiba Electronic Devices and Storage Corporation
- Toshiba America
- TOSHIBA ELECTRONIC COMPONENTS
- Toshiba Semiconductor
- Toshiba Lifestyle Products
- Toshiba America Electronic Components Inc
- TOSHIBA-PB FREE
- TOSHIBA SEMI
- TOSHIBAPb
- TOBHIBA
- TOSHBA
Technical Specifications
Physical
Case/PackageSOP
Number of Terminals16
Technical
Clock Edge Trigger TypePositive Edge
DirectionBidirectional
Frequency20 MHz
Load Capacitance50 pF
Logic FunctionCounter
Low Level Output Current4 mA
Max Operating Temperature85 °C
Max Supply Current50 mA
Max Supply Voltage6 V
Min Operating Temperature-40 °C
Min Supply Voltage2 V
Number of Bits4
Number of Circuits1
Operating Supply Voltage5 V
Propagation Delay45 ns
Temperature GradeIndustrial
Dimensions
Height - Seated (Max)1.9 mm
Length10.3 mm
Terminal Pitch1.27 mm
Width5.3 mm