| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | RoHS Status | Manufacturer Part Number | Count Rate | Voltage - Supply | Shell Style |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74HCT4040PW-Q100J | Nexperia | IC RIPPLE COUNTER 12STAG 16TSSOP | Automotive, AEC-Q100, 74HCT | -40°C ~ 125°C | Original-Reel® | Surface Mount | - | - | 79MHz | 4.5V ~ 5.5V | - | |
| MM74HC4040SJ | AMI Semiconductor / ON Semiconductor | IC COUNTER 12-STAGE BIN 16-SOP | 74HC | -40°C ~ 85°C | Tube | Surface Mount | - | - | 50MHz | 2V ~ 6V | - | |
| 74HCT191D,653 | NXP Semiconductors / Freescale | IC COUNTER UP/DOWN SYNC 16SOIC | 74HCT | -40°C ~ 125°C | Tape & Reel (TR) | Surface Mount | - | - | 39MHz | 4.5V ~ 5.5V | - | |
| DM74LS393N | AMI Semiconductor / ON Semiconductor | IC COUNTER BIN DUAL 4BIT 14-DIP | 74LS | 0°C ~ 70°C | Tube | Through Hole | - | - | 25MHz | 4.75V ~ 5.25V | - | |
| CD4029BPW | N/A | IC PRESET UP/DWN COUNTER 16TSSOP | 4000B | -55°C ~ 125°C | Tube | Surface Mount | - | - | 11MHz | 3V ~ 18V | - | |
| 74F569SC | AMI Semiconductor / ON Semiconductor | IC COUNTER BINARY 4BIT 20-SOIC | 74F | 0°C ~ 70°C | Tube | Surface Mount | - | - | 90MHz | 4.5V ~ 5.5V | - | |
| SN74LV393ADG4 | N/A | IC COUNTER BINARY 8BIT 14SOIC | 74LV | -40°C ~ 85°C | Tube | Surface Mount | - | - | 70MHz | 2V ~ 5.5V | - | |
| CD74HCT393EG4 | N/A | IC DUAL 4-STG BIN COUNTER 14-DIP | 74HCT | -55°C ~ 125°C | Tube | Through Hole | - | - | 27MHz | 4.5V ~ 5.5V | - | |
| 74VHC161MTCX | AMI Semiconductor / ON Semiconductor | IC COUNTER BINARY 4BIT 16TSSOP | 74VHC | -40°C ~ 85°C | Tape & Reel (TR) | Surface Mount | - | - | 125MHz | 2V ~ 5.5V | - | |
| SN74LS590D | N/A | IC 8-BIT BINARY COUNTER 16-SOIC | 74LS | 0°C ~ 70°C | Tube | Surface Mount | - | - | 35MHz | 4.75V ~ 5.25V | - |
Counters and dividers are sequential logic circuits used to generate repetitive timing signals, count events, or divide clock frequencies in digital systems. Counters increment or decrement a binary value based on clock pulses, producing a sequence of output states that represent specific counting patterns. Dividers divide the frequency of an input clock signal by a fixed or variable factor, generating output signals with reduced frequencies. Counters and dividers are essential components in timing and frequency generation applications, including clock distribution, event counting, frequency synthesis, and digital signal processing.