| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | RoHS Status | Manufacturer Part Number | Count Rate | Voltage - Supply | Shell Style |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HCF4029BEY | STMicroelectronics | IC COUNTER PRESET UP/DOWN 16-DIP | 4000B | -55°C ~ 125°C | Tube | Through Hole | - | - | 11MHz | 3V ~ 20V | - | |
| CD4040BCN | AMI Semiconductor / ON Semiconductor | IC COUNTER RIP BIN 12BIT 16-DIP | 4000B | -55°C ~ 125°C | Tube | Through Hole | - | - | 12MHz | 3V ~ 15V | - | |
| N74F191N,602 | NXP Semiconductors / Freescale | IC BINARY COUNTER UP/DOWN 16DIP | 74F | 0°C ~ 70°C | Tube | Through Hole | - | - | 125MHz | 4.5V ~ 5.5V | - | |
| SY100EL32VZI | Micrel / Microchip Technology | IC DIVIDER /2 5V/3.3V 8-SOIC | 100EL | -40°C ~ 85°C | Tube | Surface Mount | - | - | 3GHz | 3.3V ~ 5V | - | |
| CD4018BPWRG4 | N/A | IC DIV-BY-N CNTR PRESET 16-TSSOP | 4000B | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | - | - | 8.5MHz | 3V ~ 18V | - | |
| 74HC4520N,652 | NXP Semiconductors / Freescale | IC DUAL 4BIT SYNC BINARY 16-DIP | 74HC | -40°C ~ 125°C | Tube | Through Hole | - | - | 69MHz | 2V ~ 6V | - | |
| 74HC4020DB,112 | Nexperia | IC 14-STAGE BINARY RIPPLE 16SSOP | 74HC | -40°C ~ 125°C | Tube | Surface Mount | - | - | 109MHz | 2V ~ 6V | - | |
| CD4521BM | N/A | IC 24STAGE FREQ DIVIDER 16-SOIC | 4000B | -55°C ~ 125°C | Tube | Surface Mount | - | - | 13MHz | 3V ~ 18V | - | |
| MC100EP33DTG | AMI Semiconductor / ON Semiconductor | IC DIVIDER DIV X4 ECL CLK 8TSSOP | 100EP | -40°C ~ 85°C | Tube | Surface Mount | - | - | 4GHz | 3V ~ 5.5V | - | |
| CD74HC4040NSR | N/A | IC 12-ST BINARY COUNTER 16SO | 74HC | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | - | - | 35MHz | 2V ~ 6V | - |
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.