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| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | Voltage - Supply | Package / Case | Base Part Number | Supplier Device Package | Current - Output High, Low |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M74HC4017B1R | STMicroelectronics | IC COUNTER/DIVIDER DECADE 16-DIP | 74HC | -55°C ~ 125°C | Tube | Through Hole | 2V ~ 6V | 16-DIP (0.300", 7.62mm) | 74HC4017 | 16-DIP | - | |
| DM7490AN | AMI Semiconductor / ON Semiconductor | IC COUNTER BINARY/DECADE 14-DIP | 7400 | 0°C ~ 70°C | Tube | Through Hole | 4.75V ~ 5.25V | 14-DIP (0.300", 7.62mm) | 7490 | 14-PDIP | - | |
| CD74HC390M96 | N/A | IC DUAL DECADE RPL COUNTR 16SOIC | 74HC | -55°C ~ 125°C | Cut Tape (CT) | Surface Mount | 2V ~ 6V | 16-SOIC (0.154", 3.90mm Width) | 74HC390 | 16-SOIC | - | |
| CD4040BM96E4 | N/A | IC 12BIT BIN RIPPL COUNTR 16SOIC | 4000B | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | 3V ~ 18V | 16-SOIC (0.154", 3.90mm Width) | 4040 | 16-SOIC | - | |
| CD40103BNSR | N/A | IC COUNTER BIN 8BIT CMOS 16SO | 4000B | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | 3V ~ 18V | 16-SOIC (0.209", 5.30mm Width) | 40103 | 16-SO | - | |
| CD74HCT4020MT | N/A | IC 14STG BINARY COUNTER 16SOIC | 74HCT | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | 4.5V ~ 5.5V | 16-SOIC (0.154", 3.90mm Width) | 74HCT4020 | 16-SOIC | - | |
| 74HC4017BQ,115 | Nexperia | IC JOHNSON DECADE CNTR 16-DHVQFN | 74HC | -40°C ~ 125°C | Tape & Reel (TR) | Surface Mount | 2V ~ 6V | 16-VFQFN Exposed Pad | 74HC4017 | 16-DHVQFN (2.5x3.5) | - | |
| MC10EL32DTR2G | AMI Semiconductor / ON Semiconductor | IC DIVIDER DIV X2 5V ECL 8-TSSOP | 10EL | -40°C ~ 85°C | Tape & Reel (TR) | Surface Mount | 4.2V ~ 5.7V | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 10EL32 | 8-TSSOP | - | |
| CD74HC4520MG4 | N/A | IC DUAL BINARY UP-COUNTER 16SOIC | 74HC | -55°C ~ 125°C | Tube | Surface Mount | 2V ~ 6V | 16-SOIC (0.154", 3.90mm Width) | 74HC4520 | 16-SOIC | - | |
| 74AC161PC | AMI Semiconductor / ON Semiconductor | IC COUNTER SYNC PRE 4BIT 16-DIP | 74AC | -40°C ~ 85°C | Tube | Through Hole | 2V ~ 6V | 16-DIP (0.300", 7.62mm) | 74AC161 | 16-DIP | - |
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.