Texas Instruments SN74LS191DR
$ 0.742
Production
Price and Stock
Authorized Distributors
Non-Authorized Stocking Distributors
Non-Authorized Dealers
Distributor
SKU
Min
Pkg
Bulk Pricing
Inventory History
3 month trend: -100%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
CAD Models
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Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 0.742
$ 0.787
$ 0.787
Stock
254,683
161,686
161,686
Authorized Distributors
3
4
4
Case/Package
SOIC
SOIC
SOIC
Number of Pins
16
16
16
Logic Function
Counter
Counter
Counter
Direction
Bidirectional
Bidirectional
Bidirectional
Number of Elements
1
1
1
Number of Bits per Element
4
4
4
Reset
-
-
-
Clock Edge Trigger Type
Positive Edge
Positive Edge
Positive Edge
Frequency
25 MHz
25 MHz
25 MHz
Min Supply Voltage
4.75 V
4.75 V
4.75 V
Max Supply Voltage
5.25 V
5.25 V
5.25 V
Supply Chain
Lifecycle StatusProduction (Last Updated: 6 days ago)
Manufacturer Lifecycle StatusACTIVE (Last Updated: 6 days ago)
Engineering Resources
View Evaluation kits and Reference designs for Texas Instruments SN74LS191DR.
Evaluation Kit
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Descriptions
Descriptions of Texas Instruments SN74LS191DR provided by its distributors.
Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control 16-SOIC 0 to 70
Counter Single 4-Bit Async Binary UP/Down 16-Pin SOIC T/R
Counter Logic IC; Logic Family:LS; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Package/Case:16-SOIC; No. of Pins:16; Operating Temperature Range:0°C to +70°C; Input Type:TTL; Leaded Process Compatible:Yes; Output Type:TTL ;RoHS Compliant: Yes
Manufacturer Aliases
Texas Instruments has several brands around the world that distributors may use as alternate names. Texas Instruments may also be known as the following names:
- TI
- TEXAS
- TEXAS INST
- TEXAS INSTR
- TEXAS INSTRUMENT
- TEXAS INSTRUMENTS INC
- TEXAS INS
- TEXAS INSTRU
- TEXAS INSTRUMEN
- TI/NS
- TEX
- Texas Instruments (TI)
- TEXASIN
- TEXAS INSTRUMENTS INCORPORATED
- TEXINS
- TEXAS INTRUMENTS
- TEAXS
- TEXASI
- TI Texas Instruments
- TEXAS INSTRUM
- TEXAS USD
- TEXAS INSRUMENTS
- TEXAS INSRUMENT
- TEXAS INSTUMENTS
- TI-ROHS
- Texas Instr.
- Texas Instruments Inc.
Inventory History
3 month trend: -100%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackageSOIC
MountSurface Mount
Number of Pins16
Weight141.690917 mg
Technical
Clock Edge Trigger TypePositive Edge
DirectionBidirectional
Frequency25 MHz
Logic FunctionCounter
Max Operating Temperature70 °C
Max Supply Voltage5.25 V
Min Operating Temperature0 °C
Min Supply Voltage4.75 V
Number of Bits4
Number of Bits per Element4
Number of Elements1
Operating Supply Voltage5 V
PackagingTape & Reel
Propagation Delay52 ns
Sync/AsyncSynchronous
Turn-On Delay Time52 ns
Dimensions
Height1.75 mm
Length9.9 mm
Thickness1.58 mm
Width3.91 mm
Compliance
Environmental Classification
Lead FreeContains Lead
Radiation HardeningNo
RoHSCompliant
Compliance Statements