Texas Instruments CD74AC191M Shift Registers
Bi-directional, 4-bit synchronous binary UP/DOWN counter IC.
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
CD74AC191M
Series
Base Model
Detailed Description
Bi-directional, 4-bit synchronous binary UP/DOWN counter IC. Features positive-edge triggering and a single 4-stage element with 4 inputs and 4 outputs. Packaged in a 16-pin SOIC (Small Outline IC) with gull-wing leads, suitable for surface mounting. Operates across a wide temperature range from -55°C to 125°C.
Package
SOIC
Key Features
Package: SOIC; Logic Function: Counter
Lifecycle Status
Active
Datasheet
CD74AC191M Datasheet
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Technical Specifications
Texas Instruments CD74AC191M Shift Registers technical specifications.
General
Number of Pins
16
Mounting Type
Surface Mount
Operating Temperature
-55°C ~ 125°C
Basic Package Type
Lead-Frame SMT
Package Family Name
SOP
Package
SOIC
Package Description
Small Outline IC
Lead Shape
Gull-wing
Pcb
16
Package Length Mm
10(Max)
Alternate Parts Comparison (CD74AC191M vs CD74AC05M96 vs CD74AC573M96 vs CD74AC240M96)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -40°C ~ 85°C (TA) |
| Package / Case | -- | 14-SOIC | 20-SOIC | 20-SOIC |
| Supply Voltage | -- | 1.5V ~ 5.5V | 1.5V ~ 5.5V | 1.5V ~ 5.5V |
| Current Output High Low | -- | -, 24mA | 24mA, 24mA | 50mA, 50mA |
| Logic Type | -- | Inverter | D-Type Transparent Latch | Buffer, Inverting |
| Action |
Texas Instruments CD74AC191M Shift Registers Overview
Bi-directional, 4-bit synchronous binary UP/DOWN counter IC. Features positive-edge triggering and a single 4-stage element with 4 inputs and 4 outputs. Packaged in a 16-pin SOIC (Small Outline IC) with gull-wing leads, suitable for surface mounting. Operates across a wide temperature range from -55°C to 125°C.
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