| Parameters | 
                                                                                                            
                                            | Lifecycle Status | ACTIVE (Last Updated: 1 week ago) | 
                                                                            
                                            | Mount | Through Hole | 
                                                                            
                                            | Package / Case | CDIP | 
                                                                            
                                            | Number of Pins | 16 | 
                                                                            
                                            | Number of Terminations | 16 | 
                                                                            
                                            | ECCN Code | EAR99 | 
                                                                            
                                            | Max Operating Temperature | 125°C | 
                                                                            
                                            | Min Operating Temperature | -55°C | 
                                                                            
                                            | Additional Feature | RCO OUTPUT | 
                                                                            
                                            | Packing Method | TUBE | 
                                                                            
                                            | Technology | CMOS | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Supply Voltage | 5V | 
                                                                            
                                            | Pin Count | 16 | 
                                                                            
                                            | Operating Supply Voltage | 5V | 
                                                                            
                                            | Number of Elements | 1 | 
                                                                            
                                            | Temperature Grade | MILITARY | 
                                                                            
                                            | Max Supply Voltage | 6V | 
                                                                            
                                            | Min Supply Voltage | 2V | 
                                                                            
                                            | Load Capacitance | 50pF | 
                                                                            
                                            | Number of Bits | 4 | 
                                                                            
                                            | Propagation Delay | 396 ns | 
                                                                            
                                            | Turn On Delay Time | 396 ns | 
                                                                            
                                            | Family | HC/UH | 
                                                                            
                                            | Logic Function | Counter | 
                                                                            
                                            | Direction | Bidirectional | 
                                                                            
                                            | Max I(ol) | 0.0052 A | 
                                                                            
                                            | Trigger Type | POSITIVE EDGE | 
                                                                            
                                            | Power Supply Current-Max (ICC) | 0.08mA | 
                                                                            
                                            | Load/Preset Input | YES | 
                                                                            
                                            | Height | 5.08mm | 
                                                                            
                                            | Length | 19.56mm | 
                                                                            
                                            | Width | 6.92mm | 
                                                                            
                                            | Thickness | 4.57mm | 
                                                                            
                                            | Radiation Hardening | No | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                            
                                            | Lead Free | Contains Lead | 
                                                                                                    
                            
                         
                                                SN54HC191J Overview
This device is supplied in the CDIP package. There are 16  terminations used for its configuration. As a result of the supply voltage of 0, 5Vcan operate in a fully flexible manner. The device contains 1terminations. A total of 16pins are present on all components. In the circuit, there are 16pins that connect other components. It is mounted in the way of [0]. In this case, it appears as a member of the family [0]. In this device, there is information of 4bits. Among the features of this electronic device, RCO OUTPUTare essential. The device has a temperature grade of MILITARY. The packing of this product is performed by [0]. In order for it to operate, it requires a supply voltage of 5V . Despite operating at 125°Cfor extended periods, its electrical characteristics remain stable. This device is designed to operate within a specific temperature range, with the lower limit generally set at  -55°C. The maximum voltage that can be applied to the device is 6V. Devices are capable of operating at a minimum voltage of 2V. 
SN54HC191J Features
Embedded in the CDIP package
RCO OUTPUT
Operating supply voltage of 5V
SN54HC191J Applications
There are a lot of Texas Instruments SN54HC191J Counters & Dividers applications. 
- Timing applications
- Programmable binary and decade
- Fixed or Programmable Frequency Division
- Binary counter/decoder
- Time delay circuits
- Analog multiplexing and demultiplexing
- DIVISION
- TRUE RMS-TO-DC CONVERSION
- MULTIPLICATION
- Counter control/timers