Texas Instruments SN74LS191N
$ 0.774
Production
Inventory History
3 month trend: -1.58%
CAD Models
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Alternate Parts
1 part available
CAD Models
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Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 0.774
$ 14.895
Stock
212,888
80,556
Authorized Distributors
5
3
Case/Package
PDIP
CDIP
Number of Pins
16
16
Logic Function
Counter
Counter
Direction
Bidirectional
Bidirectional
Number of Elements
1
1
Number of Bits per Element
4
-
Reset
-
-
Clock Edge Trigger Type
Positive Edge
-
Frequency
25 MHz
-
Min Supply Voltage
4.75 V
4.5 V
Max Supply Voltage
5.25 V
5.5 V
Supply Chain
Lifecycle StatusProduction (Last Updated: 3 days ago)
Manufacturer Lifecycle StatusACTIVE (Last Updated: 3 days ago)
Engineering Resources
View Evaluation kits and Reference designs for Texas Instruments SN74LS191N.
Evaluation Kit
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Descriptions
Descriptions of Texas Instruments SN74LS191N provided by its distributors.
Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control 16-PDIP 0 to 70
Counter Single 4-Bit Async Binary UP/Down 16-Pin PDIP Tube
IC, COUNTER/MULTIPLIER/DIVIDER; Famille Logique/ Numéro de base: 74LS191; Type de compteur: Binaire, progressif / dégressif; Fréquence, horloge: 25MHz; Comptage max: 15; Type de boîtier CI logique: DIP; Nombre de broches: 16Br
IC, COUNTER/MULTIPLIER/DIVIDER; Logic Family / Base Number:74LS191; Counter Type:Binary, Up / Down; Clock Frequency:25MHz; Count Maximum:15; Logic Case Style:DIP; No. of Pins:16Pins; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Logic IC Family:74LS; Logic IC Base Number:74191; Operating Temperature Min:0°C; Operating Temperature Max:70°C; Product Range:-; MSL:-; SVHC:No SVHC (15-Jan-2019); Base Number:74191; Logic Function Number:74191; Logic IC Base Number:74191; Logic IC Function:Synchronous 4bit Up/Down Counter with Up/Down Mode Control; Operating Temperature Range:0°C to +70°C; Supply Voltage Range:4.75V to 5.25V; Termination Type:Through Hole
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
- TEXAS INSTRUM
- TI Texas Instruments
- TEXAS USD
- TEXAS INSRUMENTS
- TEXAS INSRUMENT
- TEXAS INSTUMENTS
- TI-ROHS
- Texas Instr.
- Texas Instruments Inc.
Inventory History
3 month trend: -1.58%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackagePDIP
MountThrough Hole
Number of Pins16
Weight951.693491 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
Output Current800 µA
Propagation Delay52 ns
Schedule B8542390000
Sync/AsyncSynchronous
Turn-On Delay Time52 ns
Dimensions
Height5.08 mm
Length19.3 mm
Thickness3.9 mm
Width6.35 mm
Compliance
Environmental Classification
Radiation HardeningNo
REACH SVHCNo
RoHSCompliant
Compliance Statements