Texas Instruments SN74ALS191AD Counters and Dividers
IC COUNTER BIN 4BIT U/D 16-SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74ALS191AD
Series
Base Model
Detailed Description
4-Bit Synchronous Up/Down Binary Counter, featuring bidirectional counting and positive edge clock triggering. This logic IC operates with a 5V supply voltage, ranging from 4.5V to 5.5V, and supports frequencies up to 30MHz. It offers a propagation delay of 37ns and is housed in a 16-SOIC surface mount package. Designed with BIPOLAR technology, this RoHS compliant component operates within a temperature range of 0°C to 70°C.
Package
SOIC
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
SN74ALS191AD Datasheet
Quick Jump:
Technical Specifications
Texas Instruments SN74ALS191AD Counters and Dividers technical specifications.
General
Series
74ALS
RoHS
Yes
Package / Case
16-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C
Supply Voltage
5V
Lifecycle Status
Active
Package
SOIC
Clock Edge Trigger Type
Positive Edge
Direction
Bidirectional
Alternate Parts Comparison (SN74ALS191AD vs SN74ALS03BDR vs SN74ALS133DR vs SN74ALS00ADR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | 14-SOIC | 16-SOIC | 14-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Supply Voltage | 5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Lifecycle Status | Active | Active | Active | Active |
| Logic Type | Binary Counter | NAND Gate | NAND Gate | NAND Gate |
| Current Output High Low | -- | -, 8mA | 400µA, 8mA | 400µA, 8mA |
| Logic Level High | -- | 2V | 2V | 2V |
| Logic Level Low | -- | 0.8V | 0.8V | 0.8V |
| Max Propagation Delay V Max Cl | -- | 50ns @ 5V, 50pF | 25ns @ 5V, 50pF | 11ns @ 5V, 50pF |
| Number of Circuits | -- | 4 | 1 | 4 |
| Number of Inputs | -- | 2 | 13 | 2 |
| Action |
Texas Instruments SN74ALS191AD Counters and Dividers Overview
4-Bit Synchronous Up/Down Binary Counter, featuring bidirectional counting and positive edge clock triggering. This logic IC operates with a 5V supply voltage, ranging from 4.5V to 5.5V, and supports frequencies up to 30MHz. It offers a propagation delay of 37ns and is housed in a 16-SOIC surface mount package.
Designed with BIPOLAR technology, this RoHS compliant component operates within a temperature range of 0°C to 70°C.
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